This article Citation:

Amandeep Kaur and Samunder Singh. 2019. Performance of different herbicides on wheat grain yield and correlation between growth and yield attributes of wheat and weeds . Indian Journal of Weed Science : 51( 2) 129- 132.







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Volume Issue Publication year Page No Type of article
51 2 2019 129-132 Research article
Performance of different herbicides on wheat grain yield and correlation between growth and yield attributes of wheat and weeds

Amandeep Kaur and Samunder Singh

DOI: http://dx.doi.org/10.5958/0974-8164.2019.00029.7

Email: aman.in.pau@gmail.com
Address: Department of Agronomy CCSHAU, Hisar, Haryana 125 004, India

Keywords:

Correlation coefficient

Crop growth

Grain yield

Herbicide mixture

Weeds

Wheat



Abstract:

A field experiment was conducted at Siswal, Hisar, Haryana during 2016-17 and 2017-18 to study the effect of different herbicides applied alone or mixtures on weeds and yield of wheat (Triticum aestivum). Significantly higher grain yield was obtained in weed free treatment, which was statistically similar with pinoxaden + metsulfuron and pendimethalin fb pinoxaden treatments, but significantly higher than all other treatments during both the years. Weed free, pinoxaden + metsufuron and pendimethalin fb pinoxaden treatments produced 70.9, 67.7 and 64.9; 69.4, 67.0 and 64.3% higher grain yield as compared to weedy check treatment, respectively during 2016-17 and 2017-18. Statistically similar grain yield was recorded in pyroxasulfone and pyroxasulfone + pendimethalin treatments, it was 54.1 and 51.1; 55.3 and 52.4% higher to weedy check treatment, respectively during 2016-17 and 2017-18. Application of flumioxazin and flumioxazin + pendimethalin provided effective weed control, but grain yield was lower due to crop phytotoxicity after first irrigation in light texture soils. Significant positive correlation between grain yield, growth and yield attributes, per cent control of weeds and weed control efficiency, but negative correlation was observed between grain yield and weed dry weight, panicle length, seeds/panicle, test weight of wild oat and weed index.





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