Forewarning of incidence of Tikka disease on groundnut and operational crop protection using weather information in Gujarat
Keywords:Tikka disease, Groundnut, Weather parameters, Forewarning models
Studies were made to develop weather based forewarning models for the incidence of tikka disease on groundnut grown in Gujarat region. It was found that decrease in maximum and minimum temperature below 34° C and 22° C respectively and increase in morning and afternoon relative humidity above 82% and 78% respectively favoured the infestation of the disease. Synoptic weather conditions prior to the disease incidences showed that incursion of moist and cold air causing drop in maximum and minimum temperature and increase in morning and afternoon humidity were favourable for the disease infestation. This information would be useful for operational plant protection from the disease.
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