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Bud Necrosis:Bud Necrosis: A Disease of Groundnut Caused by Tomato Spotted Wilt Virus
RA 00322.pdf1.05 MB
First Author
First Name: 
Last Name: 
J.A. Wightman
R.J. Beshear
B. Highland
M. Black
P. Sreenivasulu
S.L. Dwivedi Demski, J.W., McDonald. D.,
J.W. Demski
D. McDonald
Publication Year: 
Book Number: 
ICR 90-0077
Agro Tags: 
Necrosis | ELISA | Groundnuts | Sucrose | Amines | Insecticides | Cytoplasmic organelles | Poultry equipment | viruses | antibiotics


Reddy, D.V.R., Wightman, J.A.. Beshear, R.J., Highland, B., Black, M., Sreenivasulu, P., Dwivedi, S.L., Demski, J.W., McDonald, D., Smith Jr J.W., and Smith, D.H. 1990. Bud necrosis: a disease of groundnut caused by tomato spotted wilt virus. Information Bulletin no. 31. Patancheru, A.P. 502 324, India: International Crops Research Institute for the Semi-Arid Tropics.

This is the first ICRISAT Information Bulletin that deals with a virus disease of groundnut. Attention is focused on bud necrosis disease, caused by tomato spotted wilt virus, because of its economic significance on three continents. Epidemics build up rapidly with little warning and cause serious losses to growers. Protocols for purification and identification of the virus are given in detail. The symptoms of the disease in groundnut are illustrated. Procedures for a simple enzyme-linked immunosorbent assay for the detection of the virus are given. The identification of the vector insects-species of Thysanoptera (thrips)-is difficult, and is still to be fully resolved. But a key is provided as an aid in identifying seven thrips species that have been implicated as vectors of tomato spotted wilt virus on groundnut. The current situation concerning management of bud necrosis disease is outlined. Suitable insecticides, cultural practices, biological control, and host-plant resistance are discussed to assist crop protection and extension workers in formulating integrated management systems appropriate to their particular situations.




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