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Agricultural Science

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Articles 1981 - 2010 of 3746

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Phenotypic Plasticity Of Diverse Sorghum Varieties In Response To Nitrogen Deficit Stress, Mackenzie Zwiener Apr 2021

Phenotypic Plasticity Of Diverse Sorghum Varieties In Response To Nitrogen Deficit Stress, Mackenzie Zwiener

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

The movement of nutrients from old vegetative tissue to young leaves and reproductive organs is known as senescence. Senescence can be influenced by the environment of a plant, such as, drought, heat, and nutrient stress. These environmental stressors can also influence canopy architecture. Crop canopy consists of several traits including: leaf number, angle, length and width. Past research in crops like maize and rice have shown significant influences of more erect leaves, including, the ability for increased planting density, which optimizes light interception and increases yield. In a field trial of a sorghum association panel including 345 different sorghum varieties …


Dynamic Changes Of Tannin Contents In Five Varieties Of Tropical Leguminous Forages At Different Growth Stages And Their Responses To Fertilization, Y. B. Huang, Z. T. Chen, E. Chen, B. Q. Weng, J. G. Zheng Apr 2021

Dynamic Changes Of Tannin Contents In Five Varieties Of Tropical Leguminous Forages At Different Growth Stages And Their Responses To Fertilization, Y. B. Huang, Z. T. Chen, E. Chen, B. Q. Weng, J. G. Zheng

IGC Proceedings (1977-2023)

No abstract provided.


Study On The Adaptability Of Brachiaria Spp. In Subtropical Region Of Fujian, X. H. Luo, Y. S. Lin, Z. Y. Ying Apr 2021

Study On The Adaptability Of Brachiaria Spp. In Subtropical Region Of Fujian, X. H. Luo, Y. S. Lin, Z. Y. Ying

IGC Proceedings (1977-2023)

No abstract provided.


Domestication Of Leymus Paboanus (Claus) Pilger, Dusu Wen, Hailian Sun, Chunli Bai, A. Lata Apr 2021

Domestication Of Leymus Paboanus (Claus) Pilger, Dusu Wen, Hailian Sun, Chunli Bai, A. Lata

IGC Proceedings (1977-2023)

No abstract provided.


Evaluation Of The Performance Of Seventeen Varieties Of Alfalfa (Medicago Sativa L), Yan Sun, Qingchuan Yang Apr 2021

Evaluation Of The Performance Of Seventeen Varieties Of Alfalfa (Medicago Sativa L), Yan Sun, Qingchuan Yang

IGC Proceedings (1977-2023)

No abstract provided.


Effects Of Sowing Methods And Seeding Rates On Chemical Composition Of Tephrosia Bracteolata, Olufemi S. Onifade, T. A. Amole, Alaba O. Jolaosho, O. M. Arigbede, Jimoh A. Olanite, U. Y. Anele, A. M. Oyeladun Apr 2021

Effects Of Sowing Methods And Seeding Rates On Chemical Composition Of Tephrosia Bracteolata, Olufemi S. Onifade, T. A. Amole, Alaba O. Jolaosho, O. M. Arigbede, Jimoh A. Olanite, U. Y. Anele, A. M. Oyeladun

IGC Proceedings (1977-2023)

No abstract provided.


Respons Perkecambahan Benih Jagung Manis Terhadap Konsentrasi Dan Lama Perendaman Giberelin Pada Suhu Lingkungan Yang Berbeda, Herlistin Mooy, Anne Nuraini, Sumadi Apr 2021

Respons Perkecambahan Benih Jagung Manis Terhadap Konsentrasi Dan Lama Perendaman Giberelin Pada Suhu Lingkungan Yang Berbeda, Herlistin Mooy, Anne Nuraini, Sumadi

Jurnal Kultivasi

Penanaman jagung manis pada daerah dengan suhu rendah dapat menyebabkan cekaman pada kecambah, sehingga performa kecambah perlu ditingkatkan. Penelitian ini bertujuan untuk menganalisis pengaruh interaksi antara konsentrasi giberelin (GA3) dan lama waktu perendaman benih pada suhu lingkungan tertentu terhadap pertumbuhan kecambah jagung manis. Penelitian ini dilaksanakan pada Laboratorium Teknologi Benih Fakultas Pertanian, Universitas Padjadjaran Bandung pada bulan Juni 2019. Rancangan percobaan menggunakan Rancangan Acak Kelompok pola faktorial dengan dua faktor dan tiga ulangan. Faktor perlakuan adalah konsentrasi GA3 dan lama perendaman. Faktor konsentrasi giberelin terdiri dari 50 ppm, 100 ppm dan 150 ppm, sedangkan faktor lama perendaman terdiri dari 3 …


Allelic Diversity At Abiotic Stress Responsive Genes In Relationship To Ecological Drought Indices For Cultivated Tepary Bean, Phaseolus Acutifolius A. Gray, And Its Wild Relatives, María A. Buitrago-Bitar, Andrés J. Cortés, Felipe López-Hernández, Jorge M. Londoño-Caicedo, Jaime E. Muñoz-Florez, L. Carmenza Muñoz, Matthew Wohlgemuth Blair Apr 2021

Allelic Diversity At Abiotic Stress Responsive Genes In Relationship To Ecological Drought Indices For Cultivated Tepary Bean, Phaseolus Acutifolius A. Gray, And Its Wild Relatives, María A. Buitrago-Bitar, Andrés J. Cortés, Felipe López-Hernández, Jorge M. Londoño-Caicedo, Jaime E. Muñoz-Florez, L. Carmenza Muñoz, Matthew Wohlgemuth Blair

Agricultural and Environmental Sciences Faculty Research

Some of the major impacts of climate change are expected in regions where drought stress is already an issue. Grain legumes are generally drought susceptible. However, tepary bean and its wild relatives within Phaseolus acutifolius or P. parvifolius are from arid areas between Mexico and the United States. Therefore, we hypothesize that these bean accessions have diversity signals indicative of adaptation to drought at key candidate genes such as: Asr2, Dreb2B, and ERECTA. By sequencing alleles of these genes and comparing to estimates of drought tolerance indices from climate data for the collection site of geo-referenced, tepary bean accessions, we …


Effects Of Selection For Seed Size On Grazing‐Type Population Of An Inter‐Specific Hybrid (Pennisetum Purpureum × P. Glaucum), R. Usberti, J. A. Usberti Jr., P. B. Alcantara, A. T. Tsuhako Apr 2021

Effects Of Selection For Seed Size On Grazing‐Type Population Of An Inter‐Specific Hybrid (Pennisetum Purpureum × P. Glaucum), R. Usberti, J. A. Usberti Jr., P. B. Alcantara, A. T. Tsuhako

IGC Proceedings (1977-2023)

No abstract provided.


Brachiaria Hybrids: Their Origin And Potential Forage Use, Esteban A. Pizarro, Michael D. Hare, John W. Miles Apr 2021

Brachiaria Hybrids: Their Origin And Potential Forage Use, Esteban A. Pizarro, Michael D. Hare, John W. Miles

IGC Proceedings (1977-2023)

No abstract provided.


Seed Production And Seed Quality Of Brachiaria Hybrids (Mulato And Mulato Ii) At Different Sites Of Thailand, Chaisang Phaikaew, Pimpaporn Pholsen, Ganda Nakamanee, Weerapon Poonpipat Apr 2021

Seed Production And Seed Quality Of Brachiaria Hybrids (Mulato And Mulato Ii) At Different Sites Of Thailand, Chaisang Phaikaew, Pimpaporn Pholsen, Ganda Nakamanee, Weerapon Poonpipat

IGC Proceedings (1977-2023)

No abstract provided.


Tolerance To Copper Stress In Elephantgrass (Pennisetum Purpureum) Under Soil Culture, Xinghua Liu, Yixing Shen, Yujiao He, Chenglong Ding, Qingsheng Cai Apr 2021

Tolerance To Copper Stress In Elephantgrass (Pennisetum Purpureum) Under Soil Culture, Xinghua Liu, Yixing Shen, Yujiao He, Chenglong Ding, Qingsheng Cai

IGC Proceedings (1977-2023)

No abstract provided.


Genetic Diversity Of Medicago Ruthenica In Inner Mongolia On Using Ssr Markers, Hongyan Li, Zhiyong Li, Fugui Mi, Xinxiong Lu, Hongmei Ning, Wengui Shi, Xingyou Li Apr 2021

Genetic Diversity Of Medicago Ruthenica In Inner Mongolia On Using Ssr Markers, Hongyan Li, Zhiyong Li, Fugui Mi, Xinxiong Lu, Hongmei Ning, Wengui Shi, Xingyou Li

IGC Proceedings (1977-2023)

No abstract provided.


Factors Influencing Adoption Of Cattle Excreta Management Practices For Improved Elephant Grass (Pennisetum Purpureum) Production By Smallholder Dairy Farmers, Fred Kabi, F. B. Bareeba Apr 2021

Factors Influencing Adoption Of Cattle Excreta Management Practices For Improved Elephant Grass (Pennisetum Purpureum) Production By Smallholder Dairy Farmers, Fred Kabi, F. B. Bareeba

IGC Proceedings (1977-2023)

No abstract provided.


Vigna Luteola And Vigna Longifolia: The Potential Of Local Ecotypes From Humid Rangelands Of Southern Brazil, Hermes Benedete, Abdon Schmitt, Fabio Martins, Alden Nacimanto Apr 2021

Vigna Luteola And Vigna Longifolia: The Potential Of Local Ecotypes From Humid Rangelands Of Southern Brazil, Hermes Benedete, Abdon Schmitt, Fabio Martins, Alden Nacimanto

IGC Proceedings (1977-2023)

No abstract provided.


Comparison Of Productivity Among Alfalfa Varieties With Different Fall Dormancy, Chengzhang Wang, Xuebing Yan, Yuxia Guo, Yongge Gao, Yanhua Wang Apr 2021

Comparison Of Productivity Among Alfalfa Varieties With Different Fall Dormancy, Chengzhang Wang, Xuebing Yan, Yuxia Guo, Yongge Gao, Yanhua Wang

IGC Proceedings (1977-2023)

No abstract provided.


Adaptability Of Cleistogenes Songorica To Drought Stress, Tao Qu, Zhibiao Nan Apr 2021

Adaptability Of Cleistogenes Songorica To Drought Stress, Tao Qu, Zhibiao Nan

IGC Proceedings (1977-2023)

No abstract provided.


Study On Determinate And Indeterminate Growth Habit Of Alfalfa, Jinhua Li, Xinshi Lu, Jishan Chen Apr 2021

Study On Determinate And Indeterminate Growth Habit Of Alfalfa, Jinhua Li, Xinshi Lu, Jishan Chen

IGC Proceedings (1977-2023)

No abstract provided.


Growth Response Of Alfalfa Cultivars And Change In Soil Nutrient Availability By Lime Application In Acid Soils, Yanjun Guo, Jianguo Huang, Jianguo Han Apr 2021

Growth Response Of Alfalfa Cultivars And Change In Soil Nutrient Availability By Lime Application In Acid Soils, Yanjun Guo, Jianguo Huang, Jianguo Han

IGC Proceedings (1977-2023)

No abstract provided.


Comparing A Mixed Model Approach To Traditional Stability Estimators For Mapping Genotype By Environment Interactions And Yield Stability In Soybean [Glycine Max (L.) Merr.], Mary M. Happ, George L. Graef, Haichuan Wang, Reka Howard, Luis Posadas, David L. Hyten Mar 2021

Comparing A Mixed Model Approach To Traditional Stability Estimators For Mapping Genotype By Environment Interactions And Yield Stability In Soybean [Glycine Max (L.) Merr.], Mary M. Happ, George L. Graef, Haichuan Wang, Reka Howard, Luis Posadas, David L. Hyten

Department of Agronomy and Horticulture: Faculty Publications

Identifying genetic loci associated with yield stability has helped plant breeders and geneticists begin to understand the role and influence of genotype by environment (GxE) interactions in soybean [Glycine max (L.) Merr.] productivity, as well as other crops. Quantifying a genotype’s range of performance across testing locations has been developed over decades with dozens of methodologies available. This includes directly modeling GxE interactions as part of an overall model for yield, as well as methods which generate overall yield “stability” values from multi-environment trial data. Correspondence between these methods as it pertains to the outcomes of genome wide association studies …


Taxonomic Microbiome Profiling And Abundance Patterns In The Cacao (Theobroma Cacao L.) Rhizosphere Treated With Arbuscular Mycorrhizal Fungi And Bamboo Biochar, Angelbert D. Cortes, Nelly S. Aggangan, Rina B. Opulencia Mar 2021

Taxonomic Microbiome Profiling And Abundance Patterns In The Cacao (Theobroma Cacao L.) Rhizosphere Treated With Arbuscular Mycorrhizal Fungi And Bamboo Biochar, Angelbert D. Cortes, Nelly S. Aggangan, Rina B. Opulencia

The Philippine Agricultural Scientist

Biochar and arbuscular mycorrhizal fungi (AMF) are agricultural interventions adopted by farmers to improve the growth of crops in nutrient-deficient acidic soil, which relatively influence the biological properties in the rhizosphere. This greenhouse study investigated the changes in prokaryotic diversity in the rhizosphere of cacao plants grown in acidic soil with AMF and bamboo biochar (BB) for 15 months under nursery conditions. Metagenomic analysis of the V3-V4 region of the 16S rRNA gene of the rhizosphere with AMF, 15% BB, and AMF + 15% BB revealed that the addition of AMF and BB reduced the sample's diversity, but the treatments …


Soil Erosion Modelling: A Bibliometric Analysis, Nejc Bezak, Matjǎz Mikǒs, Pasquale Borrelli, Christine Alewell, Dinesh Panday, Panos Panagos, 59 Co-Authors Mar 2021

Soil Erosion Modelling: A Bibliometric Analysis, Nejc Bezak, Matjǎz Mikǒs, Pasquale Borrelli, Christine Alewell, Dinesh Panday, Panos Panagos, 59 Co-Authors

Department of Agronomy and Horticulture: Faculty Publications

Soil erosion can present a major threat to agriculture due to loss of soil, nutrients, and organic carbon. Therefore, soil erosion modelling is one of the steps used to plan suitable soil protection measures and detect erosion hotspots. A bibliometric analysis of this topic can reveal research patterns and soil erosion modelling characteristics that can help identify steps needed to enhance the research conducted in this field. Therefore, a detailed bibliometric analysis, including investigation of collaboration networks and citation patterns, should be conducted. The updated version of the Global Applications of Soil Erosion Modelling Tracker (GASEMT) database contains information about …


The Study On The Mathematics Model Of Forage Type Mulberry High‐Output Cultivation And Optimizing Plan, Shuangyin Sun Mar 2021

The Study On The Mathematics Model Of Forage Type Mulberry High‐Output Cultivation And Optimizing Plan, Shuangyin Sun

IGC Proceedings (1977-2023)

No abstract provided.


Dendrolobium Spp. — A Source Of Tropical Multipurpose Legumes, R. Schultze‐Kraft, M. Peters, L. H. Franco, B. Hincapié Mar 2021

Dendrolobium Spp. — A Source Of Tropical Multipurpose Legumes, R. Schultze‐Kraft, M. Peters, L. H. Franco, B. Hincapié

IGC Proceedings (1977-2023)

No abstract provided.


Association Of Trees And Crops To Increase Seasonal Food Availability In The Republic Of Haity, F. Massolino, Andrea Pardini Mar 2021

Association Of Trees And Crops To Increase Seasonal Food Availability In The Republic Of Haity, F. Massolino, Andrea Pardini

IGC Proceedings (1977-2023)

No abstract provided.


Fodder Yield And Nutritive Value Of Turkish Highlands Shrubs, K. Kokten, O. Gursoy, A. Larbi, T. Tukel, R. Hatipoglu Mar 2021

Fodder Yield And Nutritive Value Of Turkish Highlands Shrubs, K. Kokten, O. Gursoy, A. Larbi, T. Tukel, R. Hatipoglu

IGC Proceedings (1977-2023)

No abstract provided.


Effects Of Animal Grazing On Quality Of Grass And Forb Forages In Mazandaran Province Of Iran, Ghasem Ali Dianati Tilaki Mar 2021

Effects Of Animal Grazing On Quality Of Grass And Forb Forages In Mazandaran Province Of Iran, Ghasem Ali Dianati Tilaki

IGC Proceedings (1977-2023)

No abstract provided.


Breeding For An Alternative Wheat Ecoideotype To The Southern Brazilian Region, E. Caierãol, Renato S. Fontaneli, Rob S. Fontaneli, L. De J. A. Del Duca Mar 2021

Breeding For An Alternative Wheat Ecoideotype To The Southern Brazilian Region, E. Caierãol, Renato S. Fontaneli, Rob S. Fontaneli, L. De J. A. Del Duca

IGC Proceedings (1977-2023)

No abstract provided.


Integration Of Tree Fodder Into Traditional Goat Production Systems Of Uganda, S. G. Byenkya, C. Ebong, S. Kayuwa Mar 2021

Integration Of Tree Fodder Into Traditional Goat Production Systems Of Uganda, S. G. Byenkya, C. Ebong, S. Kayuwa

IGC Proceedings (1977-2023)

No abstract provided.


Electrophysiological And Behavioral Responses Of An Ambrosia Beetle To Volatiles Of Its Nutritional Fungal Symbiont, Christopher M. Ranger, Marek Dzurenko, Jenny Barnett, Ruchika Geedi, Louela Castrillo, Matthew Ethington, Matthew Ginzel, Karla Addesso, Michael E. Reding Mar 2021

Electrophysiological And Behavioral Responses Of An Ambrosia Beetle To Volatiles Of Its Nutritional Fungal Symbiont, Christopher M. Ranger, Marek Dzurenko, Jenny Barnett, Ruchika Geedi, Louela Castrillo, Matthew Ethington, Matthew Ginzel, Karla Addesso, Michael E. Reding

Agricultural and Environmental Sciences Faculty Research

Ambrosia beetles (Coleoptera: Scolytinae) cultivate their fungal symbiont within host substrates as the sole source of nutrition on which the larvae and adults must feed. To investigate a possible role for semiochemicals in this interaction, we characterized electrophysiological and behavioral responses of Xylosandrus germanus to volatiles associated with its fungal symbiont Ambrosiella grosmanniae. During still-air walking bioassays, X. germanus exhibited an arrestment response to volatiles of A. grosmanniae, but not antagonistic fungi Beauveria bassiana, Metarhizium brunneum, Trichoderma harzianum, the plant pathogen Fusarium proliferatum, or malt extract agar. Solid phase microextraction-gas chromatography-mass spectrometry identified 2-ethyl-1-hexanol, …