The effect of seed dressing chemicals on cotton seedling stand establishment against soil borne diseases and yield were assessed in field experiment conducted at Cotton Research Station Junagadh Agricultural University Junagadh during 2013, 2014 and 2015. Results of three years pooled data indicated that all fungicidal treatments increase the germination as compare to control. Maximum seed germination percent was recorded to given seed treatment of carboxin 37.5% + thiram 37.5% DS @ 4.5 g/kg seed against seedling diseases of cotton Rhizoctonia solani and Fusarium sp. The pooled mortality percent was significantly minimum (5.70%) recorded in treatment Carboxin 37.5% + Thiram 37.5% DS, 4.5g/kg seed, followed by Carboxin 37.5% + Thiram 37.5% DS, 3.5g/kg seed (7.02%) as compare to control(17.70%). The significantly maximum seed cotton yield of 1754 kg/ha was recorded in treatment of Carboxin 37.5% + Thiram 37.5% DS, 4.5g/kg seed, followed by Carboxin 37.5% + Thiram 37.5% DS, 3.5g/kg seed (1712kg/ha) as compare to control1205 kg/ha seed cotton yield. Economical point of view the seed treatment of Carboxin 37.5% + Thiram 37.5% DS(Vitavax power) @ 3.5g/kg seed was found effective in reducing the mortality percent of soil borne diseases & highest CBR (1:261.3) with net return of Rs. 21,212/ha. The most important variable in these experiments was maximum germination percent so that farmer can maintain plant population of cotton.
Cotton, seedling, seed dressing chemicals, seedling rot, root rot and wilt
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