Effect of Chemical Herbicides on Diversified Weed Flora and Weed Control Efficiency in Maize  (Zea mays L.)

Singh, Bhanu; Shivendra Singh; Sachan , Dhruvendra Singh; Singh , Shivendra; Gangwar, Parthik; Sachan , Ravindra; Dhruvendra Singh Sachan; Bhanu Singh; Mandeep Kumar; Khan , Nadeem; Parthik Gangwar; Kumar , Mandeep; Ravindra Sachan; Nadeem Khan

doi:10.9734/ijpss/2023/v35i173183

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Effect of Chemical Herbicides on Diversified Weed Flora and Weed Control Efficiency in Maize (Zea mays L.)

Singh, Bhanu, Shivendra Singh, Sachan , Dhruvendra Singh, Singh , Shivendra, Gangwar, Parthik, Sachan , Ravindra, Dhruvendra Singh Sachan, Bhanu Singh, Mandeep Kumar, Khan , Nadeem, Parthik Gangwar, Kumar , Mandeep, Ravindra Sachan, Nadeem Khan

International Journal of Plant & Soil Science · pp. 54–61 · Published 1 Jul 2023

10.9734/ijpss/2023/v35i173183

Abstract

The field experiment was carried out at Agriculture Research Farm, Integral University, Lucknow, Uttar Pradesh, India during Kharif, 2021. The experiment envisages study the effect of herbicides on the density, index and control efficiency of weed on maize crop. The experiment was laid down in the Randomized block design with twelve treatments replicated thrice. The highest weed control efficiency was observed in weed free treatment (T11) due to weed free environment all over the maize growth period but among the herbicidal treatments the treatment (T1) Atrazine 1.0 kg a.i ha-1 PE (Pre-emergence) showed highest weed control efficiency of 67.69 % up to 20 DAS. The treatment (T8) Atrazine 0.5 kg a.i ha-1 PE followed by Tembotrione 0.120 kg a.i ha-1 PoE at 20 DAS resulted in the lowest weed count and lowest weed index of 5.59 sqm-1 and 7.62% respectively. The highest weed control efficiency of 79.78 % all over the crop growth period was observed in the treatment (T8) Atrazine 0.5 kg a.i ha-1 PE followed by Tembotrione 0.120 kg a.i ha-1 PoE. The treatment Weedy check (T12) recorded highest weed dry matter accumulation while among the herbicidal treatments the lowest weed dry matter accumulation was observed in T8 treatment and was at par with the treatment T7.

Pendimethalin tembotrione weed index weed control efficiency

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Singh, Bhanu, Shivendra Singh, Sachan , Dhruvendra Singh, Singh , Shivendra, Gangwar, Parthik, Sachan , Ravindra, Dhruvendra Singh Sachan, Bhanu Singh, Mandeep Kumar, Khan , Nadeem, Parthik Gangwar, Kumar , Mandeep, Ravindra Sachan, Nadeem Khan (2023). Effect of Chemical Herbicides on Diversified Weed Flora and Weed Control Efficiency in Maize (Zea mays L.). International Journal of Plant & Soil Science , 54–61. https://doi.org/10.9734/ijpss/2023/v35i173183

Affiliations

Shivendra Singh — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur (U.P.)-208002, India.
Singh , Shivendra — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur (U.P.)-208002, India.
Sachan , Ravindra — Department of Soil Science and Agricultural Chemistry, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur (U.P.)-208002, India.
Dhruvendra Singh Sachan — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur (U.P.)-208002, India.
Bhanu Singh — Department of Agriculture, Integral University, Lucknow (U.P.)-226026, India.
Mandeep Kumar — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur (U.P.)-208002, India.
Khan , Nadeem — Department of Agriculture, Integral University, Lucknow (U.P.)-226026, India.
Parthik Gangwar — Department of Agronomy, Acharya Narendra Deva University of Agriculture and Technology, Ayodhya, Uttar Pradesh, India.
Kumar , Mandeep — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur (U.P.)-208002, India.
Ravindra Sachan — Department of Soil Science and Agricultural Chemistry, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur (U.P.)-208002, India.
Nadeem Khan — Department of Agriculture, Integral University, Lucknow (U.P.)-226026, India.

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