What is the mode of transmission of the following diseases - a Rust of wheat b Cirus canker c Yellow vein mosaic of bhindi Okra

(a) Rust of wheat Fungi ( b) Cirus canker Fungi (c) Yellow vein mosaic of bhindi (Okra) Virus ...

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Standard VIII

Biology

Plant Diseases

What is the m...

Question

What is the causative agent of the following diseases?
(a) Rust of wheat (b) Citrus canker (c) Yellow vein mosaic of bhindi (Okra)

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Solution

Part (a): Rust of wheat is a disease that damages the wheat grains due to infection caused by fungi.
Part (b): Citrus canker is a bacterial disease that affects citrus plants and fruits.
Part (c): Yellow vein mosaic of bhindi is caused by a viral pathogen.

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Name the causative micro-organisms of the following plant diseases :

(a) Rust of wheat (b) Citrus canker (c) Yellow vein mosaic of bhindi (Okra)

Q. The image shows the okra (bhindi) plant with the yellow vein mosaic disease.

\begin{matrix} Disease & Plant A. & Rust of wheat & 1. & Okra B. & Yellow vein mosaic & 2. & Lemon C. & Citrus canker & 3. & Barley \end{matrix}

Q. Prabhani Kranti is
(I) Okra variety resistant to shoot and fruit borer
(II) Bhindi resistant to yellow mosaic virus
(III) A wild varity of bhindi
(IV) Produced by sexual hybridization.

Match these microorganisms with the plants they affect.

$\begin{matrix} Column I & Column II a. Puccinia hordei & i. Okra b.Yellow vein mosaic virus & ii. Oranges c. Xanthomonas axonopodis & iii. Barley d. Yellow rust & iv. Wheat \end{matrix}$

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What is the causative agent of the following diseases?(a) Rust of wheat (b) Citrus canker (c) Yellow vein mosaic of bhindi (Okra)

Part (a): Rust of wheat is a disease that damages the wheat grains due to infection caused by fungi. Part (b): Citrus canker is a bacterial disease that affects citrus plants and fruits. Part (c): Yellow vein mosaic of bhindi is caused by a viral pathogen.

What is the causative agent of the following diseases?
(a) Rust of wheat (b) Citrus canker (c) Yellow vein mosaic of bhindi (Okra)

Part (a): Rust of wheat is a disease that damages the wheat grains due to infection caused by fungi.
Part (b): Citrus canker is a bacterial disease that affects citrus plants and fruits.
Part (c): Yellow vein mosaic of bhindi is caused by a viral pathogen.