It is often present in association with the yellow ear rot (tundu or tannan disease) caused by the bacterium Clavibacter tritici. Anguina funesta produces seed galls on rye grass in Australia and acts as a vector of the toxin-producing bacterium, Corynebacterium rathayi. Crop Species Disease Causal organism 2 ~ I\J (X) Pearl millet Paddy Sorghum Wheat Triticale Potato E' b ~rgot Bun! Resistance in potatoes to P. solanacearum was broken down in plants infected with M. incognita acrita. 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 … Tundu disease cannot develop without the involvement of nematode. Pratylenchus coffeae in an area of about 1,000 ha in Karnataka was estimated to be Rs. Numerous virus – Other minor diseases Helminthosporium leaf spot: Helminthosporium spp. 25 million is assessed in coffee due to. 70 million in wheat only in North India. About 1 000 bacteria-infested galls are lethal to a sheep. SYMPTOMS The disease does not produce galls but its effects are visible on the stems, leaves, Have all the aspects of disease development by bacteria and nematode. 1. This document is highly rated by … In case of ‘Tundu’ disease of wheat, bacterial cells are present in soil, on surface or inside the galls. The nematode of this disease was first noticed in England in 1743 but its significance was realized only in 1775-76. 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 … Tundu disease of wheat is caused by the interaction of A. tritici with Corynebacterium tritici. Management • Spray the crop with Mancozeb or Zineb at 2 kg/ha. Secondary spread by air-borne conidia. Sep 28, 2020 - 2. The nematode acts as a vector carrying the bacterium on their surface. ... Ppt File so far as barberry is concerned are unknown streak and black chaff is great. 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. 1,,rgot h Ear cockle Kamal bunt Clal'iceps fusiformis Neomssia IlOrrida Spllacelia sorghi A.nguina tritic'i Neol'ossia indica Tundu..,. Disease cycle Primary spread is by externally seed-borne and soil borne conidia. ADVERTISEMENTS: Here is a list of fifteen major plant diseases with their control measures. Deficiency Diseases, Biology, Science, Civil Services Examination UPSC Notes | EduRev is made by best teachers of UPSC. 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