Question

Agents of non infectious plant diseases

Answer 1

Explanation:

plant diseases suggest citrus cancer rest

of wheat and yellow vein mosaic

citrus cancer by bacteria the mode of transmission is yeah we can see the citrus cancer in Lemon Tree mainly

next is rust of wheat rust of wheat can be transmitted by air or seed it is caused by the fungi next yellow vein mosaic it is caused by virus and it is transmitted by insects in the plants there is a leave and the leaves of full of Aloe is dogs this is due to the yellow vein of mosaic and it is caused by virus it is very dangerous