نتایج جستجو برای: tobacco plant
تعداد نتایج: 444997 فیلتر نتایج به سال:
Tomato spotted wilt virus (TSWV) and other closely related tospoviruses are serious threats to many agricultural, ornamental, and greenhouse crops. TSWV was first recorded in the southeastern United States during the middle to late 1980's with the first collections of the western flower thrips, Frankliniella occidentalis Pergande, following shortly thereafter. In North Carolina, TSWV was first ...
OBJECTIVES The aim of the present study was to evaluate the effects of nonthermal extremely high-frequency microwave radiations in a plant-based bioassay, represented by tobacco plants reacting to tobacco mosaic virus with a hypersensitive response leading to the appearance of necrotic lesions at the infection sites. DESIGN This study was performed blind and different experimental protocols o...
BACKGROUND Smoking of cigarettes and, particularly, of "bidis" (which consist of about 0.2-0.3 gm of tobacco rolled up in the leaf of another plant (temburni) has been widespread for many decades among men in India. There have, however, been no substantial studies on the prevalence of tobacco use among youth in India. Hence a Global Youth Tobacco Survey was conducted in schools in Tamil Nadu as...
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