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tundu disease of wheat slideshare

Which one of the following complexes is responsible for the cause of Tundu disease in wheat? The disease is often most severe in areas of a field that are closest to these sources of the disease and mites. What is the bacterial disease in lime fruits? Earcockle and "tundu" diseases of wheat. It is quite common in north-west regions of India. Three nematode diseases of wheat are reported: ear cockle caused by Anguina tritici, tundu (in humid, cool weather) when A. tritici and Coryne-bacterium tritici are present together, and molya disease due to Heterodera avenue. Biological control of some soil-borne plant diseases … A. Fungus-nematode. Sign in with Facebook . tundu disease of wheat disease cycle wheat seed gall nematode pdf ear cockle of wheat symptoms single wheat gall formed by Anguina tritici (Steinbuch, 1799) Filipjev, 1936 usually diagnostic protocol covers morphological and molecular identification of the 3 Sep 2017 Anguina tritici J2 from a broken seed gall Morphology and Anatomy: Anguina tritici may be considered a "museum relic" … Watch Queue Queue. Ergot disease Claviceps purpurea. Tundu is a minor disease problem worldwide. Answer: (2) Tundu disease is also known as yellow ear rot disorder. Nematode associated tundu disease of wheat is - 3519841 Anguina tritici was the first plant parasitic nematode to be described in the literature in 1743. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Disease can be controlled by planting resistant wheat varieties, planting disease-free seed and using a seed treatment prior to planting; disease may also be avoided by planting wheat early in the Fall and by shallow seeding. Answer. Summary of Wheat Disease Control Practices • Plant after Oct. 15. C. Fungus-bacterium. This video is unavailable. Submitted by JP Jaiswal on Thu, 30/04/2009 - 15:32. described in India as tundu on wheat, barley and Phalaris minor, with reported infection levels of 60.8, 7.3 and 3.8%, respectively (Paruthi and Gupta 1987). Tundu disease is also called as yellow ear rot diseases. 23. Bacterial disease; Corynebacterium tritici ; Biotic stress; Disease; Tundu or yellow ear rot; Protection technology; Wheat; India; Yellow Ear rot or Bacterial Rot. Disease Cycle. Tundu disease of wheat is due to infection caused by A. Nematode and fungi B. The diseases failed to develop unless the level of larval concentration was 104 larvae/1,000 g soil. The combined action of nematode, anguina tritici and bacterium, Corynebacterium tritici results in tunda disorder. Wheat spikes infected with ergot ‹ › × Symptoms. In experiments, the ear-cockle and tundu diseases of wheat were found to be dependent on the presence of Anguina tritici and the bacterium, Corynebacterium tritici, as well as on temperature, humidity, age of seedlings and depth of placement of galls. SRC, Baghdad, Vol. View Answer. Disease is prominent when temperature is 10-20°C and high humidity. All are of major importance and widespread, ear cockle in the north and the other 2 in the west. It is caused by nematodes and bacteria. Nematologica 18, 320–324. Which of the following is a bacterial disease? It causes a disease in wheat … • Wheat after corn may provide inoculum for scab • Do not lime Take-All infected fields, acid soils have less Take-All. Watch Queue Queue Tundu (yellow spike disease) is caused by the bacterium Corynebacterium tritici in association with the seedgall nematode Anguina tritici. Gemini viruses contain a) ds RNA b) ss DNA c) ds DNA d) ss RNA 36. As reported by earlier workers, seedgall nematode causes earcockle in wheat and acts as a vector of C. tritici, which is responsible for causing tundu. Disease # 2. The diseases covered are orange brown (leaf) rust, yellow (stripe) rust, loose smut, flag smut, rough spored bunt, smooth spored bunt, dwarf bunt, karnal bunt, powdery mildew, leaf blight, pythium foot rot, pink snow mold, fusarium foot rot, tan spot, tundu, bacterial leaf streak and black chaff, and soil borne mosaic disease. Sign In for Uninterrupted Access to Study Material and Questions. Tundu disease of wheat is due to infection caused by (1) Nematodes and fungi (2) Fungi and bacteria (3) Nematodes and bacteria (4) A;gea and fungi. • Use recommended resistant varieties. • Treat seed with fungicide and insecticide to control aphids in the fall. Fattah F A 1986 Occurrence of spike blight (Tundu) disease on wheat in Iraq. 2. Nematode bacterial association. It causes ear-cockle or mamni disease.The nematode is also the carrier of the bacterial yellow slime ear-rot (tundu disease) caused by Corynebacterium tritici Host range: Rye, spelt and emer. The purpose of this video to provide knowledge of Discovery of tundu disease. A) Mosaic disease of tobacco B) Citrus Canker C) Tundu disease of wheat D) Rhizoctonia Ask for details ; Follow Report by Shandu2815 19.03.2019 Log in to add a comment What do you need to know? Spike disease ) is caused by A. nematode and fungi answer … tundu disease is also called as ear! 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Purpose of this video to provide knowledge of Discovery of tundu disease is often severe... Tritici in association with the seedgall nematode Anguina tritici other 2 in the north and the environment called.

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