Monitoring for seedborne diseases and seed health status of chickpea in Telangana state
Keywords:
Chickpea, Monitoring diseases, Seed health, Seed qualityAbstract
To determine the status of incidence of seedborne diseases in major chickpea growing areas viz., Adilabad, Nirmal, and Nizamabad of Telangana State, a monitoring survey was conducted in 81 farmers’ fields at vegetative stage and flowering to pod formation stages of the crop. In all the districts, three villages were selected where, 20 fields in Adilabad, 23 fields in Nirmal, and 17 fields in Nizamabad were surveyed. The incidence of diseases was recorded after counting the diseased and healthy plants. The survey results stated that the incidence of fusarium wilt and dry root rot was maximum in the Nirmal district based on rating scales in the surveyed fields. Further, the chickpea seed samples collected from farmers when subjected to standard seed health tests revealed that the seed samples recorded germination above IMSCS (>80%). Among the seed mycoflora associated with seed samples, Fusarium sps. and Macrophomina phaseolina were found high (0.23% & 0.14%) in the seed samples collected from the Nirmal district followed by Alternaria sps. (0.15%) from the samples of the Adilabad district. However, the recovery of Ascochyta sp. (0.06%) which was not regular in the state was observed from the chickpea seed samples of Nirmal district. The present investigation findings revealed that in the chickpea cropping system incidence of dry root rot was maximum and the association of mycoflora, Ascochyta sp. with the chickpea seed samples which might be due to the changes in the climatic conditions.
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