Tobacco is an important commercial crop cultivated in an area of 0.4 million ha producing annually around 700 million kg of cured leaf out of which 260 M […]
Diseases (रोग)
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Tobacco Powdery Mildew
Tobacco Powdery Mildew: Erisiphe cichoracearum var nicotiane Symptom: Initially greyish white spots (about 0.5-lcm in diameter) appear at the base of the lower leaves of the maturing plant. Under […]