Weed and crop plants as reservoirs of peanut bud necrosis tospovirus and its occurrence in South India

Autor: V. Muniyappa, R. Jagadeeshwar, K. Gopal
Rok vydání: 2011
Předmět:
Zdroj: Archives of Phytopathology and Plant Protection. 44:1213-1224
ISSN: 1477-2906
0323-5408
DOI: 10.1080/03235408.2010.484948
Popis: Survey was carried out on occurrence of peanut bud necrosis disease (PBND) in Karnataka and Andhra Pradesh (AP) the major groundnut growing states in South India. PBND incidence was observed on crops, viz., greengram, blackgram, tomato, watermelon, cowpea, chilli, cucumber and sesame besides groundnut. The PBND incidence was higher in rainy season crops than in post-rainy season. Its proportion varied from place to place, and it was high in the vegetable and pulses growing areas. The weed plant species Achyranthus aspera, Acalypha indica, Alysicarpus rugosus, A. longifolia, Commelina bengalensis, Commelina jacobi, Corchorus trilocularis, Cyanoptis cuculetta, Eclipta alba, Euphorbia geniculata, Lochnera pusilla, Physalis minima and Sesbania rostrata were recorded for the first time as alternate hosts of PBND. Infection was also noticed for the first time on cucumber, muskmelon and sesame crops. Five weed species, viz., Achyranthus aspera, Ageratum conyzoides, Alysicarpus rugosus, Commelina bengalensis and ...
Databáze: OpenAIRE