Results 121 to 130 of about 22,729 (258)

Soybean response to weed interference and defoliation

open access: yes, 1999
Field experiments were conducted in Louisiana over 2 yr to evaluate the influence of full-season interference from johnsongrass, common cocklebur, or hemp sesbania at densities of 2.5, 0.5, and 2.0 plants m-1 of row, respectively, and simulated insect ...
Russin, John S.   +5 more
core   +1 more source

Evaluating early‐season hail damage in corn and its interaction with Goss's wilt

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 3, September 2026.
Abstract Hailstorm losses are associated with plant defoliation, stand losses, and reduced crop canopy capacity to compete with weeds. Additionally, hail wounds in plants might favor disease development, potentially further reducing corn yields. Corn yield losses due to hailstorms early in the growing season are considered minor due to an expected ...
I. P. Lisboa   +4 more
wiley   +1 more source

Comparative evaluation of nonlinear disease progress models for quantitative assessment of peanut leafspot disease

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 3, September 2026.
Abstract Leafspot disease causes up to 70% yield losses in peanut production areas across the globe. One way to curb this menace is to use leafspot resistant peanut (Arachis hypogaea L.) varieties. In breeding for disease resistance, quantitative characterization of disease dynamics, including initial inoculum (y0) and apparent infection rate (r), is ...
Isaac Boatey Akpatsu   +3 more
wiley   +1 more source

Effects of uncrewed aerial vehicle–applied triclopyr plus fluroxypyr rates on weeds and desirable forbs in Kansas tallgrass prairie

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 3, September 2026.
Abstract We studied the impacts of uncrewed aerial vehicle (UAV)‐applied triclopyr + fluroxypyr on rangeland weeds and other forbs in native tallgrass prairie. Two rates were tested: high (0.63 kg ae ha−1 triclopyr + 0.21 kg ae ha−1 fluroxypyr) and low (0.21 kg ae ha−1 triclopyr + 0.07 kg ae ha−1 fluroxypyr).
Grant Snider   +5 more
wiley   +1 more source

Defoliation categories (I: Easy defoliation; II: Difficult defoliation; III: Intermediate defoliation) and their posteriori probability of sugarcane genotypes determined by HCA (hierarchical cluster analysis) and SDA (stepwise discriminant analysis).

open access: yes, 2018
Defoliation categories (I: Easy defoliation; II: Difficult defoliation; III: Intermediate defoliation) and their posteriori probability of sugarcane genotypes determined by HCA (hierarchical cluster analysis) and SDA (stepwise discriminant analysis).
Hongtao Jiang (5204369)   +5 more
core   +1 more source

Long‐term trends in greenness in the alpine zone of northeastern North America from remote sensing

open access: yesEcosphere, Volume 17, Issue 9, September 2026.
Abstract Alpine zones above treeline in the Appalachian Mountains and adjacent ranges of northeastern North America support distinctive ecological communities that thrive where conditions are too harsh for trees to grow. These communities differ from alpine zones elsewhere on the continent and are a regionally important source of floristic biodiversity,
Jonathan W. Chipman   +2 more
wiley   +1 more source

Ex vitro standardization enables evaluation of phosphorus‐use strategies in Pampa biome grasses

open access: yesJournal of Environmental Quality, Volume 55, Issue 5, September/October 2026.
Abstract Native grasses of the Pampa biome are essential for ecosystem functioning and restoration, yet understanding of how native species respond to nutrient availability remains limited by challenges in standardizing plant material for controlled experiments.
Júlia Farias   +10 more
wiley   +1 more source

Habitat characteristics along spring migration routes of elk, mule deer, and pronghorn in the southern San Juan Mountains

open access: yesThe Journal of Wildlife Management, Volume 90, Issue 7, September 2026.
We evaluated habitat characteristics of spring migration routes and stopover sites for adult female elk (Cervus canadensis), mule deer (Odocoileus hemionus), and pronghorn (Antilocapra americana) in the San Juan Mountains (2021–2022) and found species‐specific differences in vegetation structure, terrain, and proximity to land cover types relative to ...
Joanna R. Ennis   +3 more
wiley   +1 more source

Effect of Phosphate Fertilization and Cutting Date Improves Nutritional Status and Productive Parameters of a Tropical Forage Legume

open access: yesLegume Science, Volume 8, Issue 3, September 2026.
ABSTRACT The use of chemical fertilizers is economically and environmentally costly to produce and apply. Therefore, optimized fertilizer use is critical to increase or maintain crop yields. We evaluated the productive and nutritional characteristics of the Stylosanthes cv “Campo Grande” submitted to different cutting date and phosphate fertilization ...
Daniele de Jesus Ferreira   +15 more
wiley   +1 more source

Foliar pests and pathogens of Eucalyptus dunnii plantations in southern Queensland [PDF]

open access: yes, 2011
Eucalyptus dunnii is grown in plantations in subtropical Queensland, beyond its endemic distribution of northern NSW. As the plantation industry has expanded into subtropical Australia there has been an increase in the incidence of defoliating insects ...
Howard, K.   +3 more
core  

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