Plant Virology
Renuka Sharma
Broschiertes Buch

Plant Virology

Weeds

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India has various Agro-climatic regions which include tropical, sub-equatorial and mild climatic regions with different belts starting from mild to intense humidity, temperature and in deserts low to sparse rainfall including plains (cold) and upland areas. For pathogens and pest development and growth tropical in addition to semitropical climatic conditions were optimum. Pathogen show wide selection of symptoms and cause major yield losses. The actuating agents of these diseases are classified in organic phenomenon or abiotic in nature. The diseases of economic vital plants are caused by few ...