Management of anthracnose disease of cotton (Gossypium spp.) incited by Colletotrichum gossypii using fungicides

LOKESH  YADAV; NARESH KUMAR  YADAV; VINOD KUMAR  MALIK; PREETI  VASHISHT; AAKASH; PANKAJ  YADAV

doi:10.56093/ijas.v95i9.166797

Authors

LOKESH YADAV Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana 125 004, India
NARESH KUMAR YADAV Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana 125 004, India
VINOD KUMAR MALIK Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana 125 004, India
PREETI VASHISHT Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana 125 004, India
AAKASH Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana 125 004, India
PANKAJ YADAV Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana 125 004, India

https://doi.org/10.56093/ijas.v95i9.166797

Keywords:

Anthracnose, Colletotrichum gossypii, Cotton, Fungicide, Seed cotton yield

Abstract

Anthracnose, caused by Colletotrichum gossypii, poses a significant increasing hazard to cotton (Gossypium spp.) crops. The present study was carried out during rainy (Kharif) seasons of 2020 and 2021 at Cotton Research Station, Sirsa, Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana aimed to assess the efficiency of novel fungicides over in vitro as well as in vivo condition against C. gossypii, the causative agent of anthracnose disease in cotton. This experiment was carried on Bt (RCH 773) and non Bt (H1098i) cotton susceptible cultivars in randomized block design (RBD) with four replications for each treatment.. The highest growth inhibition was observed when using the fungicide Azoxystrobin 18.2% + Difenoconazole 11.4% sc (90.48%), followed by Metiram 55% + Pyraclostrobin 5% wg (84.57%). Minimum disease intensity was observed with the fungicide Azoxystrobin 18.2% + Difenoconazole 11.4% sc in cotton cultivars i.e. Bt (7.01%) and non Bt (8.20%) during the years of evaluation with the maximum seed cotton yield of 2590 kg/ha as well as 2105 kg/ha, respectively. The results of this experiment reported that all the fungicides tested have great potential in managing anthracnose disease of cotton and recorded fruitful results as compared to untreated check.

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