Gupta, G.K. and Lele, V.C. (1980) Morphology, physiology and epidemiology of the apple-scab fungus, Venturia inaequalis (Cke) Wint., in Kashmir Valley. Indian Journal of Agricultural Sciences, 50 (1). pp. 51-60.
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Abstract
Both perfect and imperfect stages of the fungus were encountered in the field and in culture and at least 2 strs. were identified on the basis of morphology and pathogenicity. A free water film or RH 100% at the opt. temp. (20 deg C) were most favourable for conidial germination and primary field infections. Ascospores and twig lesions were the primary inoculum sources in the region. Within a favourable temp. range, ascospore discharge occurred only in wet spells. The outbreak of the 1973 epidemic was linked with and attributed to unusually wet conditions in the critical months of Oct. and Nov. 1972, followed by similar conditions in Mar. and Apr. 1973
| Item Type: | Article |
|---|---|
| Author Affiliation: | IARI, New Delhi, India |
| Subjects: | Plant Protection > Pesticides Plant Protection > Pests |
| Divisions: | Other Crops |
| Depositing User: | Mr B Krishnamurthy |
| Date Deposited: | 20 Apr 2011 05:29 |
| Last Modified: | 20 Apr 2011 05:29 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/1802 |
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