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Arun, Anjana
- Influence of Dates on Sowing and Weather Parameters Incidence and Development of Alternaria Leaf Spot of Sesame
Abstract Views :208 |
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Authors
Affiliations
1 Regional Research Station, Agwanpur, SAHARSA (BIHAR), IN
2 Department of Plant Pathology, Birsa Agricultural University, RANCHI (JHARKHAND), IN
1 Regional Research Station, Agwanpur, SAHARSA (BIHAR), IN
2 Department of Plant Pathology, Birsa Agricultural University, RANCHI (JHARKHAND), IN
Source
International Journal of Plant Protection, Vol 8, No 1 (2015), Pagination: 73-76Abstract
The crop sown on June 5, recorded lowest percentage Alternaria leaf spot disease intensity (PDI) of 19.25 and 26.00 per cent during Kharif, 2002-03 and 2003-04 crop seasons, respectively. A relatively higher PDI was recorded with the advancement of dates of sowing. The late sowing (August) crop favoured quick disease development and recorded highest (60.50 and 70.50 %) disease intensity. The mean temperature 21.94 to 29.14°C; mean relative humidity 74.35 to 90.63 per cent, mean rainfall of 7.81 to 12.33 mm and 38 to 40 rainy days during the seasons favoured disease development. Highest seed yield of 380.0 kg/ha and 364.0 kg/ha were recorded when crop was sown timely on 25th June during both the years, respectively. Multiple regression equation between disease index and weather variables exhibited strong relationship among the different components of epiphytotics during both the years of study and indicated that the combined effect of different weather variables favoured the disease development causing upto 99 per cent variation in the disease index.Keywords
Sesame, Dates of Sowing, Weather Parameters, Alternaria Leaf Spot Disease.- Efficacy Appraisal of Fungicides against Fuasarium oxysporium f. Lini in Linseed for better Management Strategy
Abstract Views :188 |
PDF Views:1
Authors
Affiliations
1 Department of Plant Pathology, Rajendra Agricultural University, Pusa, SAMASTIPUR (BIHAR), IN
2 Regional Research Station, Agwanpur, SAHARSA (BIHAR), IN
1 Department of Plant Pathology, Rajendra Agricultural University, Pusa, SAMASTIPUR (BIHAR), IN
2 Regional Research Station, Agwanpur, SAHARSA (BIHAR), IN