Journal of Innovative Agriculture, Volume 5, Issue 2 : 5-9
Research Article

OPEN ACCESS | Published on : 29-Jun-2018

Efficacy of seed dressing chemicals against seed and soil borne diseases of cotton (Gossypium hirsutum L.)

  • Rajani V V
  • Cotton Research Station, Junagadh Agricultural University, Junagadh-362 001, India.
  • D K Davara
  • Cotton Research Station, Junagadh Agricultural University, Junagadh-362 001, India.
  • L K Dhaduk
  • Cotton Research Station, Junagadh Agricultural University, Junagadh-362 001, India.

Abstract

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.

Keywords

Cotton, seedling, seed dressing chemicals, seedling rot, root rot and wilt

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