Results 11 to 20 of about 83 (75)

Irrigation and fungicide application on disease occurrence and yield of early and late sown sunflower

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2015
The objective of this study was to evaluate the effect of irrigation and fungicide application on the occurrence of diseases and cypsela yield of two genotypes of sunflower. The experiments were carried out in Santa Maria-RS, during the regular season in
Ivan C. Maldaner   +5 more
doaj   +1 more source

Features of the appearance of sunflower Septoria disease in the conditions of the Southern Steppe of Ukraine [PDF]

open access: yesJournal of Central European Agriculture
In recent years, Septoria leaf spot in sunflowers has become increasingly widespread in Ukraine. The research was conducted to establish the features of the appearance of Septoria leaf spot on sunflower plants in years with different levels of moisture ...
Khrystyna Levytska   +3 more
doaj   +1 more source

Utilization of Sunflower Crop Wild Relatives for Cultivated Sunflower Improvement

open access: yesCrop Science, Volume 57, Issue 3, Page 1083-1101, May–June 2017., 2017
Sunflower (Helianthus annuus L.) is one of the few crops native to the United States. The current USDA–ARS National Plant Germplasm System (NPGS) crop wild relatives sunflower collection is the largest extant collection in the world, containing 2519 accessions comprising 53 species—39 perennial and 14 annual.
Gerald J. Seiler   +2 more
wiley   +1 more source

An Inventory of Crop Wild Relatives of the United States

open access: yesCrop Science, Volume 53, Issue 4, Page 1496-1508, July-August 2013., 2013
ABSTRACT The use of crop wild relatives (CWRs) in breeding is likely to continue to intensify as utilization techniques improve and crop adaptation to climate change becomes more pressing. Significant gaps remain in the conservation of these genetic resources.
Colin K. Khoury   +5 more
wiley   +1 more source

Efecto de la densidad de siembra y la aplicación de fungicida sobre las enfermedades de fin de ciclo y el rendimiento en el cultivo de girasol

open access: yesSemiárida, 2020
El cultivo de girasol ha experimentado una reducción significativa en la superficie sembrada en Argentina. Es la segunda oleaginosa en importancia en el país.
Ariel Alberto Córdoba   +1 more
doaj  

Identificación, evaluación y control de enfermedades de fin de ciclo en el cultivo de girasol

open access: yesSemiárida, 2020
El cultivo de girasol ha experimentado una reducción significativa en la superficie sembrada en Argentina. Es la segunda oleaginosa en importancia en el país. La disminución en superficie se debió al avance del cultivo de soja y una redistribución de las
A. R. Alonso, D. S. Pascual
doaj  

Image‐based crop disease detection using machine learning

open access: yesPlant Pathology, Volume 74, Issue 1, Page 18-38, January 2025.
Image‐based crop disease detection using machine learning provides a faster, more accurate alternative to traditional methods, with advancements in AI and imaging platforms expanding its effectiveness. Abstract Crop disease detection is important due to its significant impact on agricultural productivity and global food security.
Aria Dolatabadian   +5 more
wiley   +1 more source

Control de enfermedades de fin de ciclo en girasol confitero

open access: yesSemiárida, 2018
El cultivo de girasol confitero es una interesante alternativa productiva para la región semiárida pampeana central. Debido a su menor difusión respecto del girasol para aceite, es escaso el mejoramiento local de nuevos cultivares en relación al ...
Daniel Ruben Campana
doaj  

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