28 Apr Diseases of Sesame and its management
तिल फसल के रोग तथा उनका प्रबंधन Sesame Phyllody Sesame Phyllody is caused by phytoplasma organism. Disease symptoms are evident before flowering (witches broom) and at the time of flowering (phyllody). Early infection causes severe witches broom with complete suppression of flowering . Conversion of floral parts into leaf like structures . Yellowing and cracking of capsules. Seed germination in capsules . Increase amount of IAA due to infection is responsible for excessive proliferation of vegetative and reproductive parts of the plant . Symptoms of Sesame Phyllody Causing organism, Phytoplasma, belong to candidatus phytoplasma asteris (16 Sr II group). It survive on host and weeds like Brassicas, Gram and in leaf hoppers (Jassid). Transmission/ Vector Insect transmission by...