Botany Questions

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White rust of crucifers (like mustard) is caused by the pathogen

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Bacterial blight of rice is caused by

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Powdery mildew disease is characterized by the appearance of

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Which pathogen causes the Downy mildew of grapes?

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The complete eradication of a pathogen from a specific geographical area is called

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An unwanted plant growing out of its proper place in a cultivated field is called a

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Which aggressive weed is commonly known as Congress grass or Gajar ghas in India?

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Which aquatic weed is known as the 'Terror of Bengal' due to its rapid spread in water bodies?

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Chemicals used to kill or control the growth of weeds are called

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Which synthetic auxin is widely used as a selective herbicide to kill broad-leaved weeds?

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The biological control of Parthenium weed is effectively done using which insect?

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The prickly pear cactus weed in Australia was successfully controlled by introducing a

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Which parasitic weed commonly infests the roots of tobacco and tomato plants?

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Cuscuta (Amarbel) is an example of which type of parasitic weed?

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Striga (Witchweed) is a parasitic weed that mainly affects the roots of which crops?

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The method of leaving a field uncultivated for a season to let weeds die naturally is called

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Planting crops in closely spaced rows to block sunlight from reaching weed seedlings is called

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A crop plant that can release natural chemicals into the soil to inhibit the growth of nearby weeds is showing

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Which common weed is known as 'Pigweed' and is edible in its early stages?

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Which grass weed is highly resilient and causes huge losses in agricultural fields worldwide?