Discovering The Genetics Underlying Speciation Traits In Heuchera (Coral Bells),
2026
Mississippi State University
Discovering The Genetics Underlying Speciation Traits In Heuchera (Coral Bells), Tajinder Singh
Honors Theses
Hybridization is a key evolutionary mechanism for generating biological diversity, ultimately shaping diversification and adaptation of plant lineages in natural and agroecosystems. Our understanding of the frequency, distribution, and significance of hybridization is rapidly increasing, but the external driving forces that dictate why certain species hybridize, and others do not remain obscure. The physical traits that shape gene flow and trait sharing among species are likely to be among the key factors that directly control hybridization. Gene flow in most plants is mediated by pollinating insects and thus by pollination syndromes, which are suites of floral traits that have evolved …
Morphology And Bioactive Compounds Of Gurmar (Gymnema Sylvestre) With Potential As Antidiabetics,
2026
Department of Biology, Faculty of Mathematics and Natural Sciences, University of Jember. Jalan Kalimantan No. 37, Tegalboto, Jember 68121, East Java, Indonesia
Morphology And Bioactive Compounds Of Gurmar (Gymnema Sylvestre) With Potential As Antidiabetics, Neny Novita Yuliany, Abdillah Maulana Farhan, Putry Lazimatu Ziyaroh, Edia Fitri Dwinianti, Husnatun Nihayah, Mukhamad Su'udi
Jurnal Kultivasi
The medicinal plant Gymnema sylvestre is widely known for its ability to lower blood sugar levels. This study reviewed the physical characteristics and bioactive compounds of G. sylvestre sourced from different regions, emphasizing its potential as an antidiabetic agent. Morphological analysis includes leaf structure, trichome presence, and other anatomical features, which can influence the plant's chemical profile. Phytochemical analysis, performed using techniques like GC-MS, identifies key bioactive compounds such as saponins, flavonoids, and gymnemic acids, which contribute to its hypoglycemic effect. The findings indicate that regional variations can affect the concentration and presence of these compounds, suggesting that environmental factors …
Estimating Leaf Area In Velvetleaf (Limnocharis Flava) And Kangkong (Ipomea Aquatica): A Precise And Non-Destructive Approach For Wetland Vegetables,
2026
Graduate School of Enviromental Science, Universitas Sriwijaya, Palembang 30139, South Sumatra, Indonesia; Department of Environmental Engineering, Faculty of Engineering, Universitas Batanghari, Jambi 36122,
Estimating Leaf Area In Velvetleaf (Limnocharis Flava) And Kangkong (Ipomea Aquatica): A Precise And Non-Destructive Approach For Wetland Vegetables, Anggrika Riyanti, Benyamin Lakitan, Momon Sodik Imanudin, Muhammad Yazid
Jurnal Kultivasi
Developing a leaf-area estimation model for vegetable cultivars in wetlands is essential to optimizing agricultural cultivation practices. This study aims to develop a non-destructive model for leaf area estimation in wetland vegetable cultivars (velvetleaf (Limnocharis flava) and kangkong (Ipomoea aquatica)) using regression-based models. The plants were cultivated in a wetland system. Measurements of leaf length and width were taken on all leaves of each plant, using the product of length and width (L×W) as predictor. The regression models for estimating leaf area were adjusted from linear, zero-intercept linear, quadratic, and power. The optimal model was evaluated using the determination coefficient …
Response Of Chlorophyll, Morphology, And Yield Of Several East Java Superior Soybean (Glycine Max L.) Varieties To Levels Of Salinity,
2026
Program Study of Agrotechnology, Faculty of Agriculture, Universitas Pembangunan Nasional “Veteran” Jawa Timur. Jl. Rungkut Madya, Gn. Anyar, Surabaya 60294, East Java, Indonesia
Response Of Chlorophyll, Morphology, And Yield Of Several East Java Superior Soybean (Glycine Max L.) Varieties To Levels Of Salinity, Puji Lestari Tarigan, Ida Retno Moeljani, Fadila Suryandika, Hadi Munarko
Jurnal Kultivasi
Soybean production has been extended to saline areas. This development is a strategy to expand planting areas to suboptimal land to increase worldwide production. To support cultivation in these locations, it is necessary to develop superior varieties that are resistant to salinity and provide supporting technological inputs. In saline conditions, soybeans may face stress that leads to morphological, physiological, and yield disturbances. Consequently, the response of several soybeans in East Java should be observed. This study is a pot experiment and arranged in a Factorial Completely Randomized Design (CRD) consisting of two factors, soybean varieties and NaCl concentrations. The treatments …
Global Research On Palm Oil Diseases And Infections: A Bibliometric Analysis,
2026
Research Center for Pharmaceutical Ingredients and Traditional Medicine, Research Organization for Health, National Research and Innovation Agency Republic of Indonesia, Serpong 15314, Indonesia
Global Research On Palm Oil Diseases And Infections: A Bibliometric Analysis, Fahmi Achmad Saputra, Indria Puti Mustika, Anna Safarida, Catur Sriherwanto, Nicky Rahmana Putra
Makara Journal of Technology
The sustainability of global palm oil production faces significant threats from a range of diseases and infections affecting palm oil crops. This study presents a comprehensive bibliometric analysis to map the scientific landscape and evolution of research related to palm oil diseases over the past decade. Using data from the Scopus database, 366 relevant documents were analyzed using R and VOSviewer to uncover trends in publication volume, citation impact, prolific authors, country contributions, and keyword co-occurrence networks. The findings reveal a strong research concentration on G. boninense, highlighting its critical role as a persistent pathogen in oil palm plantations. Emerging …
Effects Of Spatially Targeted Fertilizer Strategies On Canopy Growth Across Contrasting Tart Cherry Orchard Sites,
2026
Utah State University
Effects Of Spatially Targeted Fertilizer Strategies On Canopy Growth Across Contrasting Tart Cherry Orchard Sites, Kurt Wedegaertner, Brent Black, Matt Yost, Grant Cardon
Plants, Soils and Climate Student Research
Variable-rate fertilization is increasingly promoted in perennial orchard systems, but its effectiveness remains difficult to predict because tree responses are often inconsistent and strongly conditioned by site-specific constraints. To address this, we evaluated soil-based and vigor-based zoning frameworks across four commercial tart cherry (Prunus cerasus) orchards representing contrasting soil conditions, canopy structures, and management histories. Within each orchard, management zones were defined using either soil apparent electrical conductivity (ECa) or satellite-derived canopy vigor. Fertilization strategies were implemented by varying fertilizer application timing among zones using split-application approaches while maintaining a constant total fertilizer rate. Tree-level canopy structure was …
Impact Of Pvc Microplastics On The Growth Of Raphanus Sativus,
2026
Belmont University
Impact Of Pvc Microplastics On The Growth Of Raphanus Sativus, Olivia Fawkes, Alissia D. Fulton, Darlene Panvini
SPARK Symposium Presentations
Microplastics have emerged as a growing concern due to their increasing prevalence in terrestrial ecosystems. Understanding how microplastics affect plant growth is crucial for the agricultural industry, as crop productivity and soil quality have a direct impact on food security and farm sustainability. This study examined the impact of polyvinyl chloride (PVC) microplastics on the germination and growth rate of Raphanus sativus. Seeds were grown for six weeks in a controlled growth chamber in petri plates and soil pots containing varying concentrations of PVC microplastics (0, 25, 50, 75, 100 mg/L), including untreated PVC and PVC artificially weathered through …
Efficacy Of Homemade Botanical Insecticides Against Diamondback Moth (Plutella Xylostella) And Cabbage Aphids (Brevicoryne Brassicae) On Brassica Crops,
2026
International Centre of Insect Physiology and Ecology (icipe), P.O. Box 30772-00100, Nairobi, Kenya.
Efficacy Of Homemade Botanical Insecticides Against Diamondback Moth (Plutella Xylostella) And Cabbage Aphids (Brevicoryne Brassicae) On Brassica Crops, Nancy Munyoki, Edward N. Karanja, Komivi S. Akutse, Noah Adamtey, Martha Musyoka, Komi K. Fiaboe, David Bautze, Edwin Nderitu, Felix Matheri, Dubois Thomas, Milka Kiboi, Chrysantus M. Tanga
All Peer-Reviewed Publications
The growing need for accessible alternatives to synthetic insecticides has renewed interest in farmer-made botanical formulations for pest management. This study evaluated the efficacy of selected homemade botanical insecticides against diamondback moth (Plutella xylostella) and cabbage aphid (Brevicoryne brassicae) on cabbage (Brassica oleracea var. capitata) and kale (B. oleracea var. acephala) under laboratory and semi-field conditions. Three homemade formulations were assessed: a one-day-old multi-plant extract with neem (Azadirachta indica; PE + N), a one-day-old extract without neem (PE), and a fourteen-day-old, fermented extract without neem (PE14). These were compared with three commercial botanical products. In replicated leaf- and plant-based bioassays, …
Soil Nutrient Sufficiency Does Not Ensure Plant Nutrient Status,
2026
Murray State University
Soil Nutrient Sufficiency Does Not Ensure Plant Nutrient Status, Chandralekha Joga Miss
Scholars Week
Soil testing is commonly used to guide nutrient management. However, plants may not use nutrients in the same way that soil tests predict. This can happen when nutrients interact and limit uptake. This study evaluated whether soil test results match plant nutrient status under different compost levels, with a focus on nutrient antagonism. Soils from three compost histories were used: no compost (T1), moderate compost (T2), and long-term high compost from repeated hog manure application (T3). Soils were mixed with ProMix and Perlite (1:1:1), and Chijimisai was grown under greenhouse conditions. Plant height and chlorophyll (SPAD) were measured weekly. Soil …
Phytochemical Effects Of Culinary Spices On Kale Germination And Early Growth,
2026
Murray State University
Phytochemical Effects Of Culinary Spices On Kale Germination And Early Growth, Chandralekha Joga Miss
Scholars Week
Phytochemicals present in culinary spices can influence seed germination and early plant development through complex biochemical interactions. This study evaluated the effects of aqueous decoctions of Ajwain (Trachyspermum ammi), Clove (Syzygium aromaticum), Fenugreek (Trigonella foenum-graecum), Yellow Mustard (Sinapis alba), and Brown Mustard (Brassica juncea) on germination and early growth of Kale (Brassica oleracea var. acephala) under greenhouse conditions. Treatments were applied at two concentrations (2 g/100 mL and 5 g/100 mL) with distilled water as control in a completely randomized design with three replications (n = 8). Seeds were soaked in spice decoctions for 2 hours prior to sowing, and …
Production Of Black And Navy Beans In Virginia,
2026
Virginia State University
Production Of Black And Navy Beans In Virginia, Harbans L. Bhardwaj, Satya S. S. Narina Ph.D.
Virginia Journal of Science
An urgent need exists in Virginia and adjoining states to identify crops to replace declining tobacco acreage. Although not traditionally grown in the region, dry beans (Phaseolus vulgaris L.) have considerable potential as alternative summer crops due to their nutritional benefits and increasing consumer demand. Information on the production potential of these crops in Virginia, however, is not yet available. To remedy this situation, replicated field trials were conducted over three years with six black and four navy bean varieties to characterize grain yields following three row spacings and three planting times. Black beans significantly out-yielded navy beans (2095 …
Arkansas Cotton Variety Tests 2025,
2026
University of Arkansas, Fayetteville
Arkansas Cotton Variety Tests 2025, F. Bourland, J. Gann, B. Lovelady, B. Guest Jr, J. Mcalee, L. Martin, Z. Treadway, C. Henderson
Arkansas Agricultural Experiment Station Research Series
The primary goal of the Arkansas Cotton Variety Tests is to provide unbiased data regarding the agronomic performance of cotton varieties and advanced breeding lines in the major cotton-growing areas of Arkansas. This information helps seed companies establish marketing strategies and assists producers in choosing varieties to plant. These annual evaluations will then facilitate the inclusion of new, improved genetic material in Arkansas cotton production. Adaptation of varieties is determined by evaluating the lines at five University of Arkansas Division of Agriculture research sites (Manila, Keiser, Judd Hill, Marianna, and Rohwer). The tests at Rohwer were abandoned due to undefined …
Assessment Of Precision Rangeland Management Tools In The Nebraska Sandhills,
2026
University of Nebraska-Lincoln
Assessment Of Precision Rangeland Management Tools In The Nebraska Sandhills, Hannah K. Allen
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
The objective of this thesis is to evaluate tools and management strategies that contribute to rangeland monitoring and livestock distribution in heterogeneous grassland systems of the Nebraska Sandhills. Chapter one reviews relevant literature related to precision livestock management, the Nebraska Sandhills, biomass estimation, and pyric herbivory. The second chapter evaluates the use of fractional green canopy cover (FGCC) derived from the Canopeo mobile application as a rapid method for estimating aboveground biomass in Sandhills rangelands. Biomass samples were collected across topographic positions in both early and late growing season, and relationships between FGCC and clipped biomass were assessed using generalized …
Genome Wide Association Study (Gwas) On Different Economic Traits And Epigenetic Stability Of Sweetpotato In Louisiana,
2026
Louisiana State University and Agricultural and Mechanical College
Genome Wide Association Study (Gwas) On Different Economic Traits And Epigenetic Stability Of Sweetpotato In Louisiana, Ajay Dhungana
LSU Doctoral Dissertations
Sweetpotato [Ipomoea batatas (L.) Lam] is a globally important food, feed, and industrial crop, yet its improvement is constrained by a complex hexaploid genome, clonal propagation, and susceptibility to multiple diseases. In Louisiana, production is threatened primarily by Fusarium oxysporum f. sp. batatas (Fusarium wilt) and Ceratocystis fimbriata (Black rot). Furthermore, the in vitro propagation methods essential for disease-free planting material and germplasm conservation can introduce epigenetic instability that undermines clonal fidelity. This dissertation integrates genome-wide association studies (GWAS), genotype by environment interaction (GEI) and DNA methylation profiling to dissect resistance mechanisms and assess epigenetic stability in Louisiana sweetpotato …
The Do-It-Yourself Guide To Backyard Drip Irrigation,
2026
Utah State University
The Do-It-Yourself Guide To Backyard Drip Irrigation, Jaydee Gunnell, Taun Beddes, Burdette Barker
All Current Publications
This guide promotes efficient backyard drip irrigation as a vital strategy for water conservation in Utah, the third-driest state in the U.S. It explains evapotranspiration (ET), drip system components, and provides formulas to calculate a plant’s water needs. The guide provides practical advice on converting traditional irrigation systems to drip systems, particularly in flower beds and around shrubs and trees. By implementing drip irrigation, homeowners can contribute to water conservation while enhancing the health of their landscapes.
Effects Of Phosphorus Addition On Fungal Colonization In Little Bluestem,
2026
University of Louisville
Effects Of Phosphorus Addition On Fungal Colonization In Little Bluestem, Isabel M. Zanartu, Alexx Nicholas, Mckenzie Goodwyn, Connor Morozumi
The Cardinal Edge
Little Bluestem (Schizachyrium scoparium) is a North American perennial grass that is able to tolerate high heat and droughts. This is possible by its extensive underground root network that taps deep into the ground for resources. Within the same soil systems are fungal endophytes, which are symbionts that live within plant tissues including roots. Fungal endophytes can affect host growth and nutrient acquisition, but the functional role these endophytes play in plant health may be dependent on the abiotic conditions the plant is facing. In the modern era, one large driver of abiotic conditions is synthetic fertilizer use which alters …
Impact Of Legacy Amf Communities On Vegetative Growth & Yield Of Soybean,
2026
University of Louisville
Impact Of Legacy Amf Communities On Vegetative Growth & Yield Of Soybean, Dylan Habeeb, Connor Morozumi, Natalie Christian
The Cardinal Edge
Soil microbial communities are increasingly recognized as an important factor in sustainable agriculture. Arbuscular mycorrhizal fungi (AMF), are key players in these communities, known to benefit their plant host in a number of ways, such as increased nutrient uptake. Plants can partner with multiple AMF species; however, little is known about how interactions between multispecies communities of AMF impact plant growth and yield. In an agricultural setting, the long-term development of these communities following practices such as rotational planting or cover cropping is also an important consideration, but there is little research on the long-term legacy of AMF communities or …
Vertical Price Transmission In The Philippine Rice Supply Chain: Responses To Shocks In The Post-Tariffication Period,
2026
University of the Philippines Los Baños
Vertical Price Transmission In The Philippine Rice Supply Chain: Responses To Shocks In The Post-Tariffication Period, Bates Bathan
The Philippine Agricultural Scientist
In the post-Rice Tariffication Law (RTL) period, several protectionist policies and state interventions have reemerged in the Philippine rice market. Using national-level time series data from January 2018 to April 2025, the study applies autoregressive distributed lag models to assess the impact of policy changes and external shocks on unmilled rice (palay) and rice prices. Results show that National Food Authority (NFA) rice stocks significantly affect palay farmgate prices and special rice retail prices. Vertical price transmission flows from farmgate to wholesale levels for special rice, and from wholesale to retail levels for well-milled and regular-milled rice. Major …
The Dual Nature Of Weedy Rice (Oryza Sativa F. Spontanea): From A Noxious Weed To An Important Genetic Resource For Rice Improvement,
2026
Philippine Rice Research Institute Negros Station, Murcia, Negros Occidental
The Dual Nature Of Weedy Rice (Oryza Sativa F. Spontanea): From A Noxious Weed To An Important Genetic Resource For Rice Improvement, Rica M. Rentino, Vanessa Sernicula, May O. Palanog, Roselyn G. Alfetche, Dan Michael A. Angay, Francis L. Tejada, Dexter G. Balboa, Shaireen M. Angay, Fatima-Nasra A. Sahadain, Teodora E. Mananghaya, Karl Vincent J. Jose, Liezel C. Llanes, Jonathan M. Niones, Karla Mae R. Nonog, Frodie F. Waing, Leonilo Gramaje, Albert Christian S. Suner, Ommal H. Abdulkadi, Norvie L. Manigbas, Jose E. Hernandez, Alvin D. Palanog
The Philippine Agricultural Scientist
Weedy rice (Oryza sativa f. spontanea) is becoming a serious threat to rice production in the Philippines, especially in direct-seeding rice areas, owing to its high competitiveness and its similarity to cultivated rice in morphology and ecological requirements. However, weedy rice can be considered both a threat that endangers rice production and an opportunity, as it offers a potential source of novel genes for rice improvement. This study evaluated the extent of weedy rice infestation in direct-seeding areas in the Visayas, measured the phenotypic and genotypic diversity of collected weedy rice ecotypes using simple sequence repeat (SSR) markers, and …
Heterosis For Flowering Time And Leaf Traits In F1 Hybrids From Desi And Kabuli Chickpeas [Research Note],
2026
Sirnak University, Faculty of Agriculture, Department of Field Crops, Sirnak, Türkiye
Heterosis For Flowering Time And Leaf Traits In F1 Hybrids From Desi And Kabuli Chickpeas [Research Note], Gizem Kamçi, Behiye Tuba Biçer
The Philippine Agricultural Scientist
The study was conducted at the Faculty of Agriculture in Dicle University, Southeast Anatolia, Türkiye, during the 2023 growing season to estimate heterosis, heterobeltiosis, and dominance for phenological, leaf, and plant traits in F₁ hybrids from desi × kabuli and kabuli × kabuli chickpea crosses. In 2022, 2 desi (Black, ICCV 10) and 3 kabuli (Azkan, ILC 533, ILC 482) chickpea varieties were crossed, producing 10 hybrids and 5 parents evaluated in a randomized complete block design with 3 replications. Significant variation was found among genotypes for all traits. Days to first flowering ranged from 55.7 to 69.0 d, with …
