The aetiology, symptoms and experimental work carried out in India and abroad, and methods of control of earcockle and "tundu" diseases of wheat, caused by the nematode Anguina tritici, alone and in combination with Corynebacterium tritici, respectively, which can cause up to 50% reduction in grain yields, are reviewed. Molya disease is widespread in wheat, barley, and oat growing areas of the world and is particularly important in Europe, Canada, Australia, and India. Symptoms: The tundu disease is characterized by the twisting of the stem, distortion of the ear head and rotting of the spikelets with a profuse oozing of yellow liquid from the affected tissues. Abstract 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.All are of major importance and widespread, ear cockle in the north and the other 2 in the west. Tundu disease of wheat is caused by Practice free questions on Bacteria, Botany, AP EAMCET Medical (AM) 2. 6)Tundu disease or yellow slime disease of wheat: casual organism: Anguina tritici (Nematode) + Corynebacterium tritici or Clavibacter tritici . Tundu Disease Or Ear Cockle Disease List of symptoms/signs Quit frequently the ear-cockle nematode ( Anguina Tritici) is associated or act as vector with a bacterium (Coynebacterium michiganense var. Wheat is subject to more diseases than other grains, and, in some seasons, especially in wet ones, heavier losses are sustained from those diseases than are in other cereal crops. tritici) causing a disease a called Tundu or yellow year rot. 4. Exduation of blight yellow sticky slime covering the entire ear characteristic. Seed gall nematode of wheat/Ear cockle/Tundu disease of wheat Importance: Known to be present in the entire major wheat growing areas of the world, more common in Europe, Asia, Africa and India. Twisting of the leaves. 3. Tundu disease is also known as yellow ear rot disorder. Plant growth is checked and […] Primarily yellow ear rot or tundu disease consist of parallel yellow or white streaks along leaf veins. It appears in the form of crown gall in fruits, tundu disease in wheat, ring or brown rot in potatoes and as blight in rice. It causes a disease in wheat … Bacterial diseases can be commonly found in rice, wheat, potato and som variety of fruits such as apple, pear, cherries and peaches. It is now known to be widespread in the states of Rajasthan, Haryana, Punjab and Delhi. The slime envelops, the glume stems, and leaf sheaths. This nematode very often present in association with the bacterium (Corynebacterium tritici) causing tundu disease of wheat. Molya disease has been first reported on wheat and barley in Rajasthan in 1957. 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”. Nematode associated tundu disease of wheat is - 3519841 Anguina tritici was the first plant parasitic nematode to be described in the literature in 1743. It is caused by nematodes and bacteria. It is identified by the yellow exudates on the spikes, stunted seedlings. JA. Corynebacteriumtritici 1. Bacteria: Important diseases caused by bacteria: Name of Diseases Diagnostic symptoms Management Yellow ear rot or Tundu disease of wheat C.O. The combined action of nematode, anguina tritici and bacterium, Corynebacterium tritici results in tunda disorder.