VARIABILITY PRESENT AMONG THE ISOLATES OF Macrophomina phaseolina (Tassi) Goid. CAUSING ROOT ROT OF CASTOR AND ITS MANAGEMENT 3556
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Date
2022-09
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JAU,JUNAGADH
Abstract
Groundnut (Arachis hypogaea L.) is a leguminous oilseed crop belonging to
the family Fabaceae and referred to as “King of oilseeds”. The word Arachis
hypogaea derived from two Greek words Arachis meaning a legume and hypogaea
meaning below ground. It is originally native of Brazil and was expanded world-wide
from its main centre West Africa, from where it was introduced into French colonial
possessions and thereafter overflowed into other parts of the world. The groundnut
crop is reported to affect by many biotic and abiotic factors and causes considerable
loss in pod and haulm yield. Among the different diseases of groundnut, root rot
caused by Aspergillus niger is an economically important in India. It is emerging as a
major and widespread problem in the Saurashtra region since last few years causing
pre-emergence seed rot and post-emergence seedling rot. Considering the importance
of disease in Saurashtra region, the present study on “Collar rot (Aspergillus niger van
Tieghem) of groundnut and its management” was undertaken at Research Farm of the
Department of Plant Pathology, Junagadh Agricultural University, Junagadh.