Question

how is disease transmitted in plant from class 8

Answer 1

The plant disease called rust of wheat is caused by fungi.Thus the causative micro-organism of rust of wheat disease is fungus.It is transmitted through air and seeds.It occurs in wheat plant. The plant disease called citrus canker is caused by bacteria.So the causative micro-organism of citrus canker disease are bacteria.It is transmitted through air.It occurs in citrus trees such as lemon,lime,orange etc. The plant disease called yellow vein mosaic of bhindi is caused by a virus.The causative micro-organism of this plant disease is virus.It is transmitted through insects.

Answer 2

Heya!!!

Here's your answer!!!

1)The plant disease called rust of wheat is caused by fungi.Thus the causative micro-organism of rust of wheat disease is fungus.It is transmitted through air and seeds.It occurs in wheat plant.

2)The plant disease called citrus canker is caused by bacteria.So the causative micro-organism of citrus canker disease are bacteria.It is transmitted through air.It occurs in citrus trees such as lemon,lime,orange etc.

3)The plant disease called yellow vein mosaic of bhindi is caused by a virus.The causative micro-organism of this plant disease is virus.It is transmitted through insects.

The disease of plants caused by micro-organism reduce the yield and quality of various crops.The plant disease can be controlled by the use of certain chemicals which kill the disease-causing micro-organism.

Hope it helps!!!