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(1) Diurnal movements of heads and leaves of sunflower (Helianthus annuus cv Hysun 30) were determined from three-dimensional maps of the organs. (2) Diurnal E-W oscillations of the heads occurred ...

Bacteria isolated on nutrient agar and King's medium B from sunflower leaves, crown and roots inhibited in vitro growth of the leaf spot and wilt pathogens Alternaria helianthi, and Sclerotium rolfsii ...

Our Medical Standards and Insights team has carefully researched and vetted over 11,000 products and services. We fact-check health claims, evaluate ingredients, and look into each brand’s reputation ...

High temperature at reproductive stage causes a decrease in seed set that ultimately results in yield loss in important crops. Limited research is available regarding the effect of high temperature on ...

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First domesticated from its wild ancestor over 5,000 years ago by Native American peoples, the sunflower is both an elegant ornamental and a crucial food crop. Colonialists brought the plant to Europe ...