VARIABILITY PRESENT AMONG THE ISOLATES OF Macrophomina phaseolina (Tassi) Goid. CAUSING ROOT ROT OF CASTOR AND ITS MANAGEMENT 3555
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Date
2022-09
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JAU,JUNAGADH
Abstract
Castor (Ricinus communis L.) is one of the most important non-edible oilseed
crop in the world. It is a species of flowering plant in the spurge family, Euphorbiaceae.
The Ricinus communis plant’s seeds contain more than 45 per cent oil that is rich in
triglycerides, primarily ricinolein oil. Castor oil and its derivatives have long been used
as a lubricant, and as a result, they have wide range of commercial applications.
Though castor is seriously affected by many diseases, root rot caused by
Macrophomina phaseolina (Tassi) Goid. is one of the devastating serious disease of
castor. More or lessregular occurrence of this disease in moderate to severe form causes
considerable yield losses in many pockets of Saurashtra region of Gujarat.