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Articles 181 - 210 of 470
Full-Text Articles in Agronomy and Crop Sciences
Brachiaria Hybrids: Potential, Forage Use And Seed Yield, Esteban A. Pizarro, Michael D. Hare, Mpenzi Mutimura, Changjun Bai
Brachiaria Hybrids: Potential, Forage Use And Seed Yield, Esteban A. Pizarro, Michael D. Hare, Mpenzi Mutimura, Changjun Bai
IGC Proceedings (1977-2023)
A brachiaria breeding program initiated in 1988 at CIAT (Centro Internacional de Agricultura Tropical) combined desirable attributes found in accessions of Brachiaria brizantha and B. decumbens. Three apomictic hybrids have been released (cvs. Mulato, Mulato II and Cayman). Mulato showed agronomic potential but seed yields were low. Trials in Central America demonstrated the superiority of Mulato II, a vigorous grass with very deep and branched roots, giving it excellent drought resistance in the Brazilian Cerrado and Mexico. Mulato II has excellent nutritional value. Following trials in Mexico and Thailand, evaluating 155 new hybrids for 7 years, cv. Cayman was …
Molecular Genetic Variability, Population Structure And Mating System In Tropical Forages, Melissa Garcia, Bianca B. Z. Vigna, Adna C. B. Sousa, Letícia Jungmann, Fernanda W. Cidade, Guilherme Toledo-Silva, Patricia M. Francisco, Lucimara Chiari, Marcelo A. Carvalho, Claudio T. Karia, Fabio G. Faleiro, Rodolfo Godoy, M. Dall’Agnol, Sueli S. Pagliarini, Francisco H. D. Souza, Tatiana T. Souza-Chies, Liana Jank, Rosangela M. S. Resende, Cacilda B. Valle, Maria I. Zucchi, Anete P. Souza
Molecular Genetic Variability, Population Structure And Mating System In Tropical Forages, Melissa Garcia, Bianca B. Z. Vigna, Adna C. B. Sousa, Letícia Jungmann, Fernanda W. Cidade, Guilherme Toledo-Silva, Patricia M. Francisco, Lucimara Chiari, Marcelo A. Carvalho, Claudio T. Karia, Fabio G. Faleiro, Rodolfo Godoy, M. Dall’Agnol, Sueli S. Pagliarini, Francisco H. D. Souza, Tatiana T. Souza-Chies, Liana Jank, Rosangela M. S. Resende, Cacilda B. Valle, Maria I. Zucchi, Anete P. Souza
IGC Proceedings (1977-2023)
Microsatellite (SSR) markers were developed for the following tropical forage species, using accessions available from the plant genetic resources (PGR) collections held by EMBRAPA (Brazilian Agricultural Research Corporation): Brachiaria brizantha, B. humidicola, Panicum maximum, Paspalum spp., Stylosanthes capitata, S. guianensis, S. macrocephala, Calopogonium mucunoides and Centrosema spp. The markers were used to analyse population structure and genetic diversity, evolution and origin of the genetic variability in the centre of origin, mating systems and genetic resources in EMBRAPA’s germplasm bank. The results shed light on the amount of genetic variation within and between populations, revealed …
Leucaena Toxicity: A New Perspective On The Most Widely Used Forage Tree Legume, Michael J. Halliday, Jagadish Padmanabha, Chris S. Mcsweeney, Graham L. Kerven, H. Max Shelton
Leucaena Toxicity: A New Perspective On The Most Widely Used Forage Tree Legume, Michael J. Halliday, Jagadish Padmanabha, Chris S. Mcsweeney, Graham L. Kerven, H. Max Shelton
IGC Proceedings (1977-2023)
The tree legume Leucaena leucocephala (leucaena) is a high quality ruminant feed, vitally important for livestock production in the tropics despite the presence of mimosine in the leaves. This toxic non-protein amino acid has the potential to limit productivity and adversely affect the health of animals. The discovery and subsequent distribution in Australia of the ruminal bacterium Synergistes jonesii as an oral inoculum was shown in the 1980s to overcome these toxic effects. However, recent surveys of the status of toxicity worldwide; improved understanding of the chemistry and mode of action of the toxins; new techniques for molecular sequencing; and …
Pengaruh Bahan Organik Berbasis Gulma Paitan Dan Pupuk Npk Terhadap Sifat Kimia Tanah, Pertumbuhan, Dan Hasil Tomat Pada Ultisols, Intan Abas Nur Khairunnisa, Anung Slamet Dwi, Sapto Nugroho Hadi
Pengaruh Bahan Organik Berbasis Gulma Paitan Dan Pupuk Npk Terhadap Sifat Kimia Tanah, Pertumbuhan, Dan Hasil Tomat Pada Ultisols, Intan Abas Nur Khairunnisa, Anung Slamet Dwi, Sapto Nugroho Hadi
Jurnal Kultivasi
Penelitian ini bertujuan untuk mengetahui pengaruh bahan organik gulma paitan dan pupuk NPK terhadap sifat kimia tanah (C organik, N, dan P total), serta pertumbuhan dan hasil tomat pada Ultisols. Penelitian dilaksanakan di screen house Fakultas Pertanian, Universitas Jenderal Soedirman, Purwokerto, pada bulan Juni sampai September 2018. Penelitian ini menggunakan rancangan perlakuan faktorial 3x3. Faktor pertama adalah bahan organik tumbuhan paitan, terdiri atas 3 taraf, yaitu 0, 125, dan 250 g/tanaman. Faktor kedua adalah dosis NPK, terdiri atas 3 taraf, yaitu 0; 3,61; dan 5,42 g/tanaman. Seluruh kombinasi perlakuan dialokasikan ke dalam unit percobaan dengan menggunakan Rancangan Acak Kelompok yang …
Studi Jarak Tanam Dan Naungan Terhadap Pertumbuhan Dan Potensi Asystasia Gangetica (L.) T. Anderson Sebagai Tanaman Penutup Tanah, Yenni Asbur, Yayuk Purwaningrum, Rahmi Dwi Handayani Rambe, Dedi Kusbiantoro, Dian Hendrawan, Khairunnisyah
Studi Jarak Tanam Dan Naungan Terhadap Pertumbuhan Dan Potensi Asystasia Gangetica (L.) T. Anderson Sebagai Tanaman Penutup Tanah, Yenni Asbur, Yayuk Purwaningrum, Rahmi Dwi Handayani Rambe, Dedi Kusbiantoro, Dian Hendrawan, Khairunnisyah
Jurnal Kultivasi
Tanaman penutup tanah adalah salah satu praktek pertanian berbasis alam yang dapat meningkatkan penyediaan berbagai layanan ekosistem di agroekosistem. A. gangetica merupakan gulma yang banyak dijumpai di perkebunan kelapa sawit dan berpotensi sebagai tanaman penutup tanah. Penelitian ini bertujuan untuk mempelajari jarak tanam optimum terhadap pertumbuhan dan potensi A. gangetica sebagai tanaman penutup tanah pada lahan terbuka dan ternaungi. Penelitian dilaksanakan di Kebun Percobaan, Fakultas Pertanian UISU, Medan, dari Januari-April 2018. Penelitian menggunakan Rancangan Petak Terpisah dengan tiga ulangan. Faktor pertama sebagai petak utama adalah naungan yang terdiri dari dua taraf, yaitu: tanpa naungan dan naungan 50%. Faktor kedua sebagai …
Deep Kernel And Deep Learning For Genome-Based Prediction Of Single Traits In Multienvironment Breeding Trials, José Crossa, Johannes W.R. Martini, Daniel Gianola, Paulino Pérez-Rodríguez, Diego Jarquin, Philomin Juliana, Osval Antonio Montesinos López, Jaime Cuevas
Deep Kernel And Deep Learning For Genome-Based Prediction Of Single Traits In Multienvironment Breeding Trials, José Crossa, Johannes W.R. Martini, Daniel Gianola, Paulino Pérez-Rodríguez, Diego Jarquin, Philomin Juliana, Osval Antonio Montesinos López, Jaime Cuevas
Department of Agronomy and Horticulture: Faculty Publications
Deep learning (DL) is a promising method for genomic-enabled prediction. However, the implementation of DL is difficult because many hyperparameters (number of hidden layers, number of neurons, learning rate, number of epochs, batch size, etc.) need to be tuned. For this reason, deep kernel methods, which only require defining the number of layers, may be an attractive alternative. Deep kernel methods emulate DL models with a large number of neurons, but are defined by relatively easily computed covariance matrices. In this research, we compared the genome-based prediction of DL to a deep kernel (arc-cosine kernel, AK), to the commonly used …
Global Impacts From Improved Tropical Forages: A Meta-Analysis Revealing Overlooked Benefits And Costs, Evolving Values And New Priorities, Douglas S. White, Michael Peters, Peter Horne
Global Impacts From Improved Tropical Forages: A Meta-Analysis Revealing Overlooked Benefits And Costs, Evolving Values And New Priorities, Douglas S. White, Michael Peters, Peter Horne
IGC Proceedings (1977-2023)
The wider use and improved performance of planted tropical forages can substantially change social, economic and environmental landscapes. By reviewing impact-related studies published in the past two decades, this paper shows how evolving development priorities have influenced the types of impacts being documented. A meta-analysis was used to examine 98 studies according to: (1) breadth of reported effects, as related to development goals of social equity, economic growth and environmental sustainability; (2) extent of effects, ranging from intermediate to longer-term impacts; and (3) measurement precision (identification, description and quantification). Impacts have been assessed for fewer than half of the documented …
Cellular Causes For Leaf Elongation Reductions Under Salinity In Panicum Coloratum, Leandro Cáceres, Edith Taleisnik
Cellular Causes For Leaf Elongation Reductions Under Salinity In Panicum Coloratum, Leandro Cáceres, Edith Taleisnik
IGC Proceedings (1977-2023)
Soil salinity is a growing constraint to crop and forage production worldwide and has driven the quest for salt-tolerant germplasm. Perennial forage grasses are regarded as choice alternative for the productive use of saline areas as well as for mitigating salinity in these areas (Ridley and Pannell 2005). Panicum coloratum L. is a C4 perennial grass native to tropical Africa, adapted to a wide range of rainfall conditions which makes it attractive as a forage for semiarid areas (Jones 1985). In forage grasses, yield is directly related to leaf area expansion and duration and the purpose of this work was …
Response Of Axonopus Catarinensis And Arachis Pintoi To Shade Conditions, A. N. A. Pachas, E. J. Jacobo, M. C. Goldfarb, S. M. Lacorte
Response Of Axonopus Catarinensis And Arachis Pintoi To Shade Conditions, A. N. A. Pachas, E. J. Jacobo, M. C. Goldfarb, S. M. Lacorte
IGC Proceedings (1977-2023)
In the north-east of Argentina, there are more than 100,000 hectares of silvopastoral systems where trees, forages and livestock are combined with the goal to diversify income, reduce financial risk, obtain more profit and enhance environmental benefit (Cubbage et al. 2013). The rapid adoption of this production system by farmers has generated high demand for information on shade tolerant grass and legume forage species.
Axonopus catarinensis is a native grass from Itajai Vally (Brazil) that was introduced to the north-east of Argentina 10 years ago; whereas Arachis pintoi is a sub-tropical legume (also native to Brazil) adapted to acid …
The Growth Response Of Tropical And Sub-Tropical Forage Species To Increasing Salinity, Hayley E. Giles, Christopher J. Lambrides, Scott A. Dalzell, David C. Macfarlane, H. Max Shelton
The Growth Response Of Tropical And Sub-Tropical Forage Species To Increasing Salinity, Hayley E. Giles, Christopher J. Lambrides, Scott A. Dalzell, David C. Macfarlane, H. Max Shelton
IGC Proceedings (1977-2023)
There is currently a growing coal seam gas (CSG) industry in Queensland, Australia. The industry requires beneficial-use strategies to consume the significant volumes of water released during CSG extraction. Irrigation of tropical and sub-tropical forage species for beef production is one option, however coal seam (CS) water is of varying quality due to moderate to high salinity and alkalinity. The application of chemically amended CS water over time could potentially increase soil salinity, which is known to reduce plant biomass production. While there were studies of salinity tolerance of many tropical and sub-tropical forage species 30 years ago, there is …
Measuring Summer Dormancy Of Perennial Grasses In Contrasting Environments, Mark R. Norton, Richard A. Culvenor, Florence Volaire
Measuring Summer Dormancy Of Perennial Grasses In Contrasting Environments, Mark R. Norton, Richard A. Culvenor, Florence Volaire
IGC Proceedings (1977-2023)
The summer dormancy trait has been shown to confer enhanced levels of survival to temperate perennial forage species over long periods of intense summer drought (Volaire and Norton 2006) and is therefore valuable in plant improvement. Normally found in species endemic to drier Mediterranean climates it is recommended that the trait be measured in the field under typical Mediterranean hot, dry summer conditions (Norton et al. 2008). However, this trait has potential utility in regions with summers that can receive substantial rainfall, but still experience extended periods of intense moisture deficit. Therefore, it is important to determine whether summer …
Generation Of Transgenic Tall Fescue Plants With Enhanced Abiotic Stress Tolerance, I. Alam, Y. G. Kim, K. H. Kim, N. Y. Ahn, B. H. Lee
Generation Of Transgenic Tall Fescue Plants With Enhanced Abiotic Stress Tolerance, I. Alam, Y. G. Kim, K. H. Kim, N. Y. Ahn, B. H. Lee
IGC Proceedings (1977-2023)
Environmental stresses, such as drought, salinity and temperature extremes significantly decrease the yield of forage crops. Therefore, traits associated with abiotic stress-tolerance are of prime importance for their improvement. Biotechnological approaches have the potential to accelerate and complement conventional breeding by extending the range of gene sources for valuable traits, thus offering new opportunities for forage improvement. Transgenic technology appears as an efficient biotechnological tool of molecular breeding for improving forage quality and yield as well as tolerance to various environmental stresses. Occurrence of high level of reactive oxygen species (ROS) is a common phenomenon in abiotic stress-challenged plants. Plants …
Physiological Response Of 14 Lotus Tenuis Genotypes Subjected To Drought Conditions, Luis Inostroza, Hernán Acuña
Physiological Response Of 14 Lotus Tenuis Genotypes Subjected To Drought Conditions, Luis Inostroza, Hernán Acuña
IGC Proceedings (1977-2023)
Lotus tenuis L. is a perennial forage species of European origin. It is found in Chile in a wide range of environments between the Valparaíso (32°S) and Bíobío Regions (38°S), with a strong presence in areas with clay and volcanic soils of medium texture with problems of moisture retention. The Instituto de Investigaciones Agropecuarias (INIA) perennial forage legume breeding program has focused on developing drought-tolerant cultivars of the species. A population of 100 individuals was selected in previous studies, and all individuals were agronomically and physiologically characterized under field and greenhouse conditions. Results led to the selection of a sub-population …
Scenario Analysis: Risk And Return Of Aluminium Tolerant Lucerne, Claire D. Lewis, J. L. Jacobs, K. F. Smith, G. Spangenberg, B. Malcolm
Scenario Analysis: Risk And Return Of Aluminium Tolerant Lucerne, Claire D. Lewis, J. L. Jacobs, K. F. Smith, G. Spangenberg, B. Malcolm
IGC Proceedings (1977-2023)
Lucerne (Medicago sativa) yield is limited by aluminium stress associated with acid soils (Campbell et al. 1988; Scott et al. 2008). With the aid of transgenic technologies, the development of aluminium tolerant (Al Tol) lucerne is proposed. Modelled scenario analysis was conducted to explore the potential net benefits of Al Tol lucerne as part of a grazing system for a sheep production system in the high rainfall zone of south west Victoria.
Germplasm Evaluation And Frost Tolerance Improvement Of Setaria Sphacelata In Uruguay, Rafael Reyno, Javier Do Canto, Daniel Real
Germplasm Evaluation And Frost Tolerance Improvement Of Setaria Sphacelata In Uruguay, Rafael Reyno, Javier Do Canto, Daniel Real
IGC Proceedings (1977-2023)
Setaria sphacelata (Schumach.) Stapf & C.E. Hubb is a highly productive warm-season grass that has been eva-luated in Uruguay since the 1970s (Mas 2007). It is one of the most productive and promising subtropical grasses for the Uruguayan climatic conditions. Some of the most re-markable attributes of interest are its palatability, ease to establish from seed, highly persistent, adapted to a wide range of soils, and some frost tolerance. Cultivars ‘Narok’ and ‘Kazungula’ were the only materials evaluated and no genetic improvement was conducted in Uruguay. These cultivars present some limitations, such as low seed yields and quality, and susceptibility …
Effects Of Organic Acids On Alleviation Of Aluminum Toxicity In Alfalfa, Yuan An, Peng Zhou
Effects Of Organic Acids On Alleviation Of Aluminum Toxicity In Alfalfa, Yuan An, Peng Zhou
IGC Proceedings (1977-2023)
On a global scale, acidic soils cover an estimated 37.8 million km2 of the earth's surface, and up to 50% of the world’s potentially arable soils are acidic. Aluminum (Al) is highly abundant in acid soil conditions. At low (< 5.5) pH, a toxic form of aluminum, Al3+, is solubilized from aluminosilicate clay minerals into soil solutions. High concentrations of Al3+ in soil solutions caused seriously damage to plants by enhancing lipid per-oxidation, limiting root elongation and nutrient uptake, as well as decreasing plant growth (Kochian et al. 2005). Al toxicity represents one of the most important constraints for agricultural production in areas …
Performance Of Some Forages Species (Festuca Arundinacea L., Chloris Gayana Var. Katambora, Lotus Corniculatus L. And Medicago Sativa L.) In Saline Soil, Süleyman Temel, Uğur Şimşek, Bilal Keskin, İbrahim H. Yılmaz
Performance Of Some Forages Species (Festuca Arundinacea L., Chloris Gayana Var. Katambora, Lotus Corniculatus L. And Medicago Sativa L.) In Saline Soil, Süleyman Temel, Uğur Şimşek, Bilal Keskin, İbrahim H. Yılmaz
IGC Proceedings (1977-2023)
Salinity is a soil degradation process which reduces plant diversity and agricultural productivity, decreases fertility and devalues the land in regions with arid and semi-arid climate. This process inhibits water and nutrient intake of plants from soil due to changeable nitrogen percentage and/or the intensity of soluble salt concentration. When the fact that agricultural lands are limited around the world and that the need for nutrition increases incrementally is taken into consideration, it is obvious that available lands should be used more effectively. Hence, it is quite crucial to reclaim saline soil and utilize it more economically (Woods 1996).
Salt Secretion Is Essential For Xero-Halophyte Reaumuria Soongorica Responding To Osmotic Stress, Ai-Ke Bao, Hang-Yu Zhou, Suomin Wang
Salt Secretion Is Essential For Xero-Halophyte Reaumuria Soongorica Responding To Osmotic Stress, Ai-Ke Bao, Hang-Yu Zhou, Suomin Wang
IGC Proceedings (1977-2023)
Reaumuria soongorica, a xero-halophyte semi-shrub belonging to Tamaricaceae with excellent adaptability to adverse arid and salinity environments of northwest China, serves important ecological roles in the improvement of saline-alkali soil and dune stabilisation, and also is an attractive fodder shrub in desert steppe (Ma et al. 2011). Previous studies demonstrated that secreting salt via salt glands is an important strategy for R. soongorica adapting to high salinity environments (Zhou et al. 2012). However, very little is known about the role of salt secretion in the plant’s responses to drought. Therefore, in the present work, R. soongorica seedlings …
Assessment Of Summer Drought Tolerance And Persistence Of Some Grass Cultivars In Algerian Semi Arid Conditions, Mohamed Mefti, Hamena Bouzerzour, Abderrezak Chebouti, Aissa Abdelguerfi
Assessment Of Summer Drought Tolerance And Persistence Of Some Grass Cultivars In Algerian Semi Arid Conditions, Mohamed Mefti, Hamena Bouzerzour, Abderrezak Chebouti, Aissa Abdelguerfi
IGC Proceedings (1977-2023)
Stress-tolerant forage resources are increasingly needed for the environmental and economic sustainability of extensive Mediterranean livestock systems. Perennial forages belonging to two species: Festuca arundinacea Schreb. (tall fescue) and Dactylis glomerata L. (cocksfoot) can be a valuable alternative to annuals, if they can survive across successive summer droughts. Poor persistence of sown perennial pasture grasses is a problem in regions of the World with Mediterranean climates where the most stressful, life threatening season is a summer characterised by long and often severe droughts with high temperatures. The objective of this study is to compare 14 grass cultivars in an Algerian …
Summer Dormancy And Survival Of Tall Fescue In Relation To Endophyte Presence, J. L. Thomas, Charles P. West, D. P. Malinowski
Summer Dormancy And Survival Of Tall Fescue In Relation To Endophyte Presence, J. L. Thomas, Charles P. West, D. P. Malinowski
IGC Proceedings (1977-2023)
True summer dormancy in temperate perennial grasses is the ability to survive summer stresses by ceasing growth and senescing vegetative tissues independently of water supply, as opposed to summer-active grasses, which respond to rains by continuing growth, but senesce during droughts (Volaire and Norton 2006). Summer dormancy is a common drought-escape mechanism for Mediterranean-origin perennial grasses, but is also being considered as a potentially useful trait in semiarid to humid zones whose climates are not strictly Mediterranean, but where temperate grass survival is threatened by summer heat and water deficits (Malinowski et al. 2005). Moreover, summer dormancy may provide …
Screening Of Ssr Primers And Evaluation Of Salt Tolerance In 20 Sweet Sorghum Varieties For Silage, Qiuwen Zhan, Chunfei Shu, Xiaoliang Li, Min Zhan, Jieqin Li, Ping Lin
Screening Of Ssr Primers And Evaluation Of Salt Tolerance In 20 Sweet Sorghum Varieties For Silage, Qiuwen Zhan, Chunfei Shu, Xiaoliang Li, Min Zhan, Jieqin Li, Ping Lin
IGC Proceedings (1977-2023)
Sweet sorghum belongs to the genus Sorghum in the family Gramineae. It is a variant of common grain sorghum, with characteristics of resistance to drought, flood, barren soil and soil salinity and alkalinity (Zhan et al. 2008). Since the stem of sweet sorghum is rich in sugar, it is usually harvested as silage fodder in grasslands. Often arable land used for forage production is salt-affected. Chinnusamy et al. (2005) have screened and identified a large range of different varieties for salinity tolerance, but there are no published reports of studies screening SSR primers and evaluating the salt tolerance in …
Plantain (Plantago Lanceolata) Outperforms Chicory (Cichorium Intybus) Under Moisture Stress In Glasshouse, Lydia M. Cave, Peter D. Kemp, Paul R. Kenyon, Stephen T. Morris
Plantain (Plantago Lanceolata) Outperforms Chicory (Cichorium Intybus) Under Moisture Stress In Glasshouse, Lydia M. Cave, Peter D. Kemp, Paul R. Kenyon, Stephen T. Morris
IGC Proceedings (1977-2023)
Forage chicory (Cichorium intybus) and plantain (Plantago lanceolata) are now widely used throughout the world as high feed quality perennial herbage (Sanderson et al. 2003; Labreveux et al. 2006; Li et al. 2010; Golding et al. 2011; Hutton et al. 2011). Both are taprooted plants and are thus likely to confer a degree of drought tolerance through accessing water deeper in the soil profile (Kemp et al. 2010). Nie et al. (2008) reported chicory can tolerate moisture stress to a greater degree than plantain. However, overall little is known …
Adaptive Responses Of Brachiaria Grasses To Hypoxia Stress, Juan A. Cardoso, Juan Jiménez, Joisse Rincón, Idupulapati M. Rao
Adaptive Responses Of Brachiaria Grasses To Hypoxia Stress, Juan A. Cardoso, Juan Jiménez, Joisse Rincón, Idupulapati M. Rao
IGC Proceedings (1977-2023)
It is likely that oxygen shortage in waterlogged soils is the most limiting factor for plant growth, restricting root aerobic respiration and ATP production (Vartapetian and Jackson 1997). When oxygen becomes limiting for oxidative phosphorylation, plant cells depend on alternative metabolic pathways to produce ATP (Rocha et al. 2010). The induction of fermentative metabolism is considered of adaptive value to maintain ATP production under oxygen-limited conditions. Ethanol is the main end product of fermentation metabolism in plants. Alcohol dehydrogenase (ADH) is a key enzyme in ethanolic fermentation. Roots can sustain aerobic respiration under oxygen deficiency if aerenchyma is present. …
Uji Daya Hasil Jamur Tiram Putih (Pleurotus Ostreatus) Akibat Aplikasi Jenis Nutrisi Alternatif Dengan Pendekatan Bioklimatik Di Kabupaten Karawang, Rommy Andhika Laksono
Uji Daya Hasil Jamur Tiram Putih (Pleurotus Ostreatus) Akibat Aplikasi Jenis Nutrisi Alternatif Dengan Pendekatan Bioklimatik Di Kabupaten Karawang, Rommy Andhika Laksono
Jurnal Kultivasi
Karawang merupakan wilayah di Jawa Barat yang sangat potensial dalam pengembangan budidaya jamur tiram putih. Salah satu usaha penerapan sistem pertanian yang berkelanjutan atau sistem pertanian yang peduli lingkungan dapat dilakukan dengan pemanfaatan nutrisi alternatif dan modifikasi bioklimatik. Penelitian ini bertujuan untuk mendapatkan jenis nutrisi alternatif terbaik yang mampu memberikan produksi jamur tiram putih tertinggi pada setiap posisi baglog. Penelitian dilakukan di kumbung percobaan Fakultas Pertanian UNSIKA, Kabupaten Karawang, dari bulan Januari sampai dengan bulan Agustus 2018. Metode penelitian yang digunakan adalah Rancangan Acak Kelompok (RAK) faktorial. Perlakuan terdiri dua faktor, yaitu jenis nutrisi alternatif dan posisi baglog. Faktor jenis …
Respons Klon Ubi Jalar (Ipomoea Batatas L.) Var. Awachy-1 Dan Var. Biang Terhadap Aplikasi Paclobutrazol, Murgayanti, Anne Nuraini, Megianti Agtari, Agung Karuniawan
Respons Klon Ubi Jalar (Ipomoea Batatas L.) Var. Awachy-1 Dan Var. Biang Terhadap Aplikasi Paclobutrazol, Murgayanti, Anne Nuraini, Megianti Agtari, Agung Karuniawan
Jurnal Kultivasi
Paclobutrazol merupakan salah satu zat pengatur tumbuh yang dapat digunakan untuk memodifikasi pertumbuhan tanaman dengan cara mempertahankan keseimbangan pertumbuhan vegetatif dan generatif. Setiap genotipe tanaman akan menghasilkan respons yang berbeda terhadap pemberian paclobutrazol. Penelitian ini bertujuan untuk mengetahui interaksi antara konsentrasi paclobutrazol dengan dua klon ubi jalar serta mengetahui konsentrasi paclobutrazol yang terbaik untuk pertumbuhan dan hasil dua klon ubi jalar. Percobaan dilakukan pada bulan Februari sampai Juni 2017 di kebun Percobaan Ciparanje, Fakultas Pertanian Universitas Padjadjaran, Jatinangor, Kabupaten Sumedang, Jawa Barat pada ketinggian 750 m dpl. Jenis tanah tempat percobaan adalah Inceptisol, tipe curah hujan C menurut menurut klasifikasi …
Pertumbuhan Dan Hasil Padi Hitam Yang Diberi Chlormequat Chloride Di Lahan Basah Pada Musim Kemarau, Fiky Yulianto Wicaksono, Andala Muhamad Nurdin, Aep Wawan Irwan, Yudithia Maxiselly, Tati Nurmala
Pertumbuhan Dan Hasil Padi Hitam Yang Diberi Chlormequat Chloride Di Lahan Basah Pada Musim Kemarau, Fiky Yulianto Wicaksono, Andala Muhamad Nurdin, Aep Wawan Irwan, Yudithia Maxiselly, Tati Nurmala
Jurnal Kultivasi
Padi hitam merupakan varietas padi yang mengandung pigmen antosianin paling tinggi. Permasalahan budidaya padi hitam yang dikeluhkan oleh petani adalah tanaman terlalu tinggi. Tanaman yang terlalu tinggi dapat menyebabkan tanaman rebah. Penelitian ini bertujuan untuk mengetahui efek retardan terhadap pertumbuhan dan hasil tanaman padi hitam sehingga tidak terlalu tinggi, namun masih memiliki produktivitas yang tinggi. Penelitian menggunakan metode eksperimen yang dilakukan di kebun percobaan Ciparanje, Fakultas Pertanian Universitas Padjadjaran, Jatinangor, Sumedang mulai bulan Maret sampai dengan September 2018. Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok. Retardan yang diberikan adalah chlormequat chloride (CCC) dengan konsentrasi 1500 ppm. Perlakuan merupakan waktu …
Plant Hormones Differentially Control The Sub-Cellular Localization Of Plasma Membrane Microdomains During The Early Stage Of Soybean Nodulation, Zhenzhen Qiao, Prince Zogli, Marc Libault
Plant Hormones Differentially Control The Sub-Cellular Localization Of Plasma Membrane Microdomains During The Early Stage Of Soybean Nodulation, Zhenzhen Qiao, Prince Zogli, Marc Libault
Department of Agronomy and Horticulture: Faculty Publications
Phytohormones regulate the mutualistic symbiotic interaction between legumes and rhizobia, nitrogen-fixing soil bacteria, notably by controlling the formation of the infection thread in the root hair (RH). At the cellular level, the formation of the infection thread is promoted by the translocation of plasma membrane microdomains at the tip of the RH. We hypothesize that phytohormones regulate the translocation of plasma membrane microdomains to regulate infection thread formation. Accordingly, we treated with hormone and hormone inhibitors transgenic soybean roots expressing fusions between the Green Fluorescent Protein (GFP) and GmFWL1 or GmFLOT2/4, two microdomain-associated proteins translocated at the tip of the …
2020 Western Australian Crop Sowing Guide, Brenda Shackley
2020 Western Australian Crop Sowing Guide, Brenda Shackley
Bulletins 4000 -
This edition of the 2020 Crop Sowing Guide includes the major crops grown in WA - wheat, barley, canola, oat and now a new section on lupin and pulses. The publication aims to provide information to support growers with decisions on the best choice of variety for each of the major crops for the upcoming season. The lupin and pulse sections also include an agronomy guide summary to support management decisions required for these high-valued crops.
Effects Of Soil Amendments On The Germination And Health Of Panicum Virgatum L. Grown On Soils Polluted By Copper Mining Activities, Brandon Caltrider
Effects Of Soil Amendments On The Germination And Health Of Panicum Virgatum L. Grown On Soils Polluted By Copper Mining Activities, Brandon Caltrider
Conspectus Borealis
No abstract provided.
The Effects Of Seed-Applied Fluopyram On Root Penetration And Development Of Meloidogyne Incognita On Cotton And Soybean, Tracy Hawk
Graduate Theses and Dissertations
Plant-parasitic nematodes are major pests of cotton and soybean in Arkansas, and across the Southern United States. These nematodes cause more than $3 billion worth of crop losses each year, in part due to lack of available control tactics, such as nematicides. Fluopyram has recently been registered as a seed-treatment nematicide in agronomic crops. The toxicity of fluopyram against Meloidogyne incognita infection has been reported, however, information on root protection provided by fluopyram against Meloidogyne incognita is lacking. The first objective of this research was to evaluate the effect seed-applied fluopyram had on nematode development, root galling, and reproduction on …