tundu disease ppt

Postado em 19 de dezembro, 2020

Favourable Conditions • Temperature of 25˚C and high relative humidity. Crop Species Disease Causal organism 2 ~ I\J (X) Pearl millet Paddy Sorghum Wheat Triticale Potato E' b ~rgot Bun! disease Nematode Bacterium Role of nematode Wheat Tundu Vascular wilt A. tritici M. incognita C. tritici Pseudomonas solanacearum Essential Assists Nematode – Virus Interaction In nematode – virus complex, nematode serves as a vector. About 1 000 bacteria-infested galls are lethal to a sheep. 1,,rgot h Ear cockle Kamal bunt Clal'iceps fusiformis Neomssia IlOrrida Spllacelia sorghi A.nguina tritic'i Neol'ossia indica Tundu..,. 70 million in wheat only in North India. Tip Burn of Paddy or Pansukh of Rice: The names, tip burn, dakhitla, chatra, ukra, kadamoraor pansukh, have been given tea leaf-drying disease of rice known in India for quite … 25 million is assessed in coffee due to. This document is highly rated by … Tundu disease cannot develop without the involvement of nematode. ... Ppt File so far as barberry is concerned are unknown streak and black chaff is great. Sep 28, 2020 - 2. Have all the aspects of disease development by bacteria and nematode. Seed gall nematode, Anguina tritici (causing ‘Ear cockle of wheat when alone and ‘Tundu disease’ when in combination with bacterium) was estimated to be Rs. Pratylenchus coffeae in an area of about 1,000 ha in Karnataka was estimated to be Rs. It is often present in association with the yellow ear rot (tundu or tannan disease) caused by the bacterium Clavibacter tritici. 1. The nematode of this disease was first noticed in England in 1743 but its significance was realized only in 1775-76. Anguina funesta produces seed galls on rye grass in Australia and acts as a vector of the toxin-producing bacterium, Corynebacterium rathayi. Secondary spread by air-borne conidia. In case of ‘Tundu’ disease of wheat, bacterial cells are present in soil, on surface or inside the galls. SYMPTOMS The disease does not produce galls but its effects are visible on the stems, leaves, Numerous virus – Deficiency Diseases, Biology, Science, Civil Services Examination UPSC Notes | EduRev is made by best teachers of UPSC. Other minor diseases Helminthosporium leaf spot: Helminthosporium spp. Tundu disease of wheat is caused by the interaction of A. tritici with Corynebacterium tritici. Resistance in potatoes to P. solanacearum was broken down in plants infected with M. incognita acrita. Management • Spray the crop with Mancozeb or Zineb at 2 kg/ha. Tundu disease is often known by names like “yellow ear rot of wheat”, “tundu disease of wheat”, “bacterial rot of wheat ears”, “bacterial spike blight”, and “yellow slime disease”. Variety of diseases of … Tikka disease of groundnut is a disease also called Leaf spot disease.The causal organism of tikka disease belongs to the genus Cercospora and mainly includes the two species (Cercospora arachidicola and Cercospora personata).Tikka disease cause epidemics in all the groundnut crop growing countries, including the United States, China, India etc. ADVERTISEMENTS: Here is a list of fifteen major plant diseases with their control measures. Disease cycle Primary spread is by externally seed-borne and soil borne conidia. The nematode acts as a vector carrying the bacterium on their surface. Sorghi A.nguina tritic ' i Neol'ossia indica tundu.., 2 ~ I\J ( X ) Pearl millet Paddy Wheat. Or Zineb at 2 kg/ha • Spray the crop with Mancozeb or Zineb at kg/ha. And soil borne conidia disease was first noticed in England in 1743 but its significance realized! Tundu.., their control measures to a sheep Corynebacterium rathayi was broken down plants... 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