A Census of Air Borne Pathogens over Cotton (Gossypium Sp.) Crop
Journal Title: IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) - Year 2018, Vol 13, Issue 2
Abstract
Aerobiological investigations were carried out over cotton field at Kandhar for two seasons from 7th July to 23rd Dec. 2009 and 10th July to 27th Dec. 2010. A total of 49 and 46 fungal spores were recorded in respected year, out of which Ramularia areola G. F. Atk., (6.82% &9.29%) , cercospora sp. ( 1.01% & 1.70%), Helminthosporium sp. (5.29% & 2.45%), Alternaria sp. (15.19% &16.26%) were found to be pathogenic to the cotton crop. These pathogenic fungi were taken in to a separate count to study corelation of fungal concentration with meteorological parameters and disease incidence. Incidence of pathogenic fungi recorded maximum in the month of August and September in both crop seasons. The percentage contribution of pathogenic fungi was 28.31 % & 29.70% to the total airspora during Ist and IInd crop seasons respectively. Meteorological parameter was maintained throughout the period of investigation.
Authors and Affiliations
N. Jagan Mohan Reddy
Keywords
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- EP ID EP394493
- DOI 10.9790/3008-1302021314
- Views 69
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