Daniel I. Leskovar
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View article: Biostimulant action of humic substances on tomato physiology and metabolism under water and nitrogen stresses
Biostimulant action of humic substances on tomato physiology and metabolism under water and nitrogen stresses Open
View article: Silicon Supplementation Improves Growth, Physiology, and Biochemical Traits in Hydroponic Lettuce: Implications for Controlled-environment Agriculture
Silicon Supplementation Improves Growth, Physiology, and Biochemical Traits in Hydroponic Lettuce: Implications for Controlled-environment Agriculture Open
Silicon (Si) uptake and deposition in plant cell walls is associated with enhanced strength, water-use efficiency (WUE), and pest/disease resistance, leading to enhanced plant stress resilience. However, the optimal Si concentration and ap…
View article: SiO2 and ZnO nanoparticles and salinity stress responses in hydroponic lettuce: selectivity, antagonism, and interactive dynamics
SiO2 and ZnO nanoparticles and salinity stress responses in hydroponic lettuce: selectivity, antagonism, and interactive dynamics Open
Salinity stress negatively affects plant growth but can also act as a eustressor, enhancing nutraceutical quality. Nanoparticles (NPs) have unique physical and chemical properties that can impact crop growth and abiotic stress responses in…
View article: Foliar gas exchange, morphology, and cannabinoid contents of three hemp varieties in southwest Texas
Foliar gas exchange, morphology, and cannabinoid contents of three hemp varieties in southwest Texas Open
In the United States, a high level (≥0.3%) of the intoxicating Δ‐9‐tetrahydrocannabinol (THC) threatens farm‐scale production of hemp ( Cannabis sativa L. ssp. sativa ), but the linkage between THC and major physio‐morphological traits of …
View article: Foliar gas exchange, morphology, and cannabinoid contents of three hemp varieties in southwest Texas
Foliar gas exchange, morphology, and cannabinoid contents of three hemp varieties in southwest Texas Open
In the US, a high level (≥ 0.3%) of intoxicating Δ-9-tetrahydrocannabinol (THC) threatens farm-scale production of industrial of Hemp ( Cannabis sativa L. ssp. sativa ), but the linkage between THC and major physiol-morphological traits of…
View article: Humic Substances and LED Lighting Improved Tomato Transplant Growth, with Limited Carryover Effects on Fruit Yield and Quality
Humic Substances and LED Lighting Improved Tomato Transplant Growth, with Limited Carryover Effects on Fruit Yield and Quality Open
Humic substances (HS) and light-emitting diode (LED) light applications have shown beneficial effects on plant growth, nutrition, and yield in various vegetable crops. However, their carryover effects on fruit yield and quality, when appli…
View article: Biostimulants Alleviate Heat Stress in Organic Hydroponic Tomato Cultivation: A Sustainable Approach
Biostimulants Alleviate Heat Stress in Organic Hydroponic Tomato Cultivation: A Sustainable Approach Open
Heat stresses significantly reduce crop yield by 50% to 70%, irrespective of stress exposure time, plant species, or cultivars, posing substantial challenges for organically growing hydroponic tomatoes in controlled environment conditions.…
View article: Enhancing Hydroponic Organic Tomato Resilience through Grafting and Bioprotection Strategies
Enhancing Hydroponic Organic Tomato Resilience through Grafting and Bioprotection Strategies Open
The infestation of major greenhouse pests such as whiteflies, leafminers, and thrips and hot and humid conditions pose significant challenges in controlled environment horticulture, particularly for organic tomato production. Low tomato pr…
View article: Metabolomic Profiling of Novel Muskmelon Cultigens Reveals Regional Variations in Fruit Composition Across Four Distinct U.S. Growing Locations
Metabolomic Profiling of Novel Muskmelon Cultigens Reveals Regional Variations in Fruit Composition Across Four Distinct U.S. Growing Locations Open
View article: Aromatic Symphony of Green and Orange-Fleshed Inodorus Honeydew Melons Across Growing Years and U.S. Locations Through Chemometric Evaluation
Aromatic Symphony of Green and Orange-Fleshed Inodorus Honeydew Melons Across Growing Years and U.S. Locations Through Chemometric Evaluation Open
View article: Evaluating Suitable Rootstocks for Grafting in Organic Pepper System
Evaluating Suitable Rootstocks for Grafting in Organic Pepper System Open
Organic farming systems are often plagued with challenges such as nutrient stress complexing with other biotic and abiotic issues. These issues can significantly affect the growth and productivity of vegetable crops, including peppers ( Ca…
View article: Leaf Orientation Method as a Proxy for Sensing Nitrogen and Water Deficit in Tomato Plants
Leaf Orientation Method as a Proxy for Sensing Nitrogen and Water Deficit in Tomato Plants Open
Precision field management and modeling crop growth requires precise, efficient, timely, nondestructive, and cost-effective measurements of structural component including leaf area index (LAI) and leaf orientation based on the foliage mean…
View article: Solid humic substance enhanced spinach abiotic stress tolerance under combined drought, salinity, and daily heat stress
Solid humic substance enhanced spinach abiotic stress tolerance under combined drought, salinity, and daily heat stress Open
Spinach is a crop of economic importance in the Wintergarden region of Texas, where increasing soil salinity, irrigation water restrictions, and heat stress challenge its production. Improving abiotic stress tolerance and resource use effi…
View article: A Comprehensive Analysis and Scientific Impact of ASHS Cross-commodity Publication Awards
A Comprehensive Analysis and Scientific Impact of ASHS Cross-commodity Publication Awards Open
Established in 1985, the Cross-Commodity Publication Award recognizes authors of the most outstanding paper on horticultural cross-commodity research, including broadly applicable methodology, pre- and postharvest physiology, genetics, ana…
View article: Exploring the potential of Solanum pennellii and Solanum peruvianum as rootstocks for enhancing thermotolerance of tomato plants
Exploring the potential of Solanum pennellii and Solanum peruvianum as rootstocks for enhancing thermotolerance of tomato plants Open
Drought-tolerant tomato wild relatives Solanum pennellii and S. peruvianum show heat-tolerant responses, but their use as rootstocks to enhance thermotolerance has not been examined. This study investigated the effects of heat stress on to…
View article: Assessing Tomato Genotypes for Organic Hydroponic Production in Stressful Environmental Conditions
Assessing Tomato Genotypes for Organic Hydroponic Production in Stressful Environmental Conditions Open
Identifying tomato genotypes that can thrive and produce abundantly under arid climatic conditions and addressing the growing food demand caused by population growth are pressing concerns for food security. This research aimed to assess th…
View article: Thermotolerance of tomato plants grafted onto wild relative rootstocks
Thermotolerance of tomato plants grafted onto wild relative rootstocks Open
Heat stress is a major environmental constraint limiting tomato production. Tomato wild relatives Solanum pennellii and S. peruvianum are known for their drought tolerance but their heat stress responses have been less investigated, especi…
View article: Substrate amended with solid humic substances improved ‘Micro-Tom’ tomato (Solanum lycopersicum L.) growth
Substrate amended with solid humic substances improved ‘Micro-Tom’ tomato (Solanum lycopersicum L.) growth Open
Humic substances (HS) have been widely used and investigated in several horticultural crops.Most HS used are in liquid form with fast and early releasing effects, while studies on HS products in solid forms and their effects on plant growt…
View article: Optimizing Hydroponic Management Practices for Organically Grown Greenhouse Tomato under Abiotic Stress Conditions
Optimizing Hydroponic Management Practices for Organically Grown Greenhouse Tomato under Abiotic Stress Conditions Open
Hot and humid conditions create challenges for tomato production under a controlled environment. Low tomato productivity is related to the lack of stress tolerance of existing cultivars and their ability to maximize fruit set and yield. Th…
View article: ‘Supermelon’ and ‘Flavorific’: Two New Hybrid Muskmelon Cultivars with Resistance to Monosporascus cannonballus from Texas A&M AgriLife Research
‘Supermelon’ and ‘Flavorific’: Two New Hybrid Muskmelon Cultivars with Resistance to Monosporascus cannonballus from Texas A&M AgriLife Research Open
The genus Cucumis (family Cucurbitaceae) includes a large number of economically important crops, such as melon (Cucumis melo) and cucumber (Cucumis sativus), that are widely cultivated. Muskmelons, called cantaloupes in Texas, are popular…
View article: Improving tomato nitrogen use efficiency with lignite-derived humic substances
Improving tomato nitrogen use efficiency with lignite-derived humic substances Open
Improving plant nitrogen use efficiency (NUE) is critical in sustainable cropping systems. Humic substances (HS), a type of plant biostimulant, have the potential to increase plant nitrogen (N) uptake and assimilation, while having the abi…
View article: Multi-location evaluation of cantaloupe (Cucumis melo L.) cultivars for their aroma and flavor related volatile composition using a metabolomics approach
Multi-location evaluation of cantaloupe (Cucumis melo L.) cultivars for their aroma and flavor related volatile composition using a metabolomics approach Open
Fruit flavor is a key quality trait associated with consumer preference for muskmelons (Cucumis melo L.) A wide range of aroma compounds play a key role in the flavor profiles of different melon cultivars. This study evaluated VOC profiles…
View article: Biomass characterization of wild and cultivated cardoon accessions and estimation of potential biofuels production
Biomass characterization of wild and cultivated cardoon accessions and estimation of potential biofuels production Open
Cardoon is considered an interesting raw material to obtain second-generation biofuels, due to its perennial culture condition and its rare use as food. In addition, cardoon, being a rustic species, requires few inputs and has fast growth …
View article: High Temperature and Dry Weather Conditions Enhance the Carotenoids Content in Muskmelons Hybrids
High Temperature and Dry Weather Conditions Enhance the Carotenoids Content in Muskmelons Hybrids Open
View article: Effect of mustard cover crops on corn growth, yield and soil water storage in southwest Texas
Effect of mustard cover crops on corn growth, yield and soil water storage in southwest Texas Open
Mustard cover crops can provide multiple soil health benefits but may adversely affect cash crops by depleting soil water. This was tested in a center-pivot irrigated corn cropping system in southwest Texas from 2018 to 2020. Changes in bi…
View article: Physio-biochemical responses of grafted tomatoes differing in thermotolerance to heat stress and recovery
Physio-biochemical responses of grafted tomatoes differing in thermotolerance to heat stress and recovery Open
The aim of this study was to evaluate the physiological and biochemical heat responses of grafted tomato (Solanum lycopersicum L.) seedlings and their changes during the post-stress recovery period. Heat-tolerant ‘Celebrity’ and heat-sensi…
View article: Biomass Characterization of Wild and Cultivated Cardoon Accessions and Estimation of Potential Biofuels Production
Biomass Characterization of Wild and Cultivated Cardoon Accessions and Estimation of Potential Biofuels Production Open
Cardoon is considered an interesting raw material to obtain second-generation biofuels, due to its perennial culture condition and its rare use as food. In addition, cardoon being a rustic species, requires few inputs, has fast growth and …
View article: Degradable Mulch as an Alternative to Polyethylene for Watermelon Production
Degradable Mulch as an Alternative to Polyethylene for Watermelon Production Open
Polyethylene mulch is widely used for vegetable production in the United States as a tool to conserve water, control weeds, and produce earlier and cleaner products (i.e., less attached soil). However, the increasing labor costs for mulch …
View article: Effect of mustard cover crops on corn growth, yield and soil water storage in southwest Texas
Effect of mustard cover crops on corn growth, yield and soil water storage in southwest Texas Open
Mustard cover crops can provide multiple soil health benefits but may adversely affect cash crops by depleting soil water. This was tested in a center-pivot irrigated corn cropping system in southwest Texas from 2018 to 2020. Changes in bi…
View article: Biomass Characterization of Wild and Cultivated Cardoon Accessions and Estimation of Potential Biofuels Production
Biomass Characterization of Wild and Cultivated Cardoon Accessions and Estimation of Potential Biofuels Production Open