Effect of Plant Growth Promoters and Herbicides on Growth, Yield Attribute and Yield of Kharif Hybrid Maize  (Zea mays L.)

Shravan Kumar Maurya; V. K. Verma; Naushad Khan; D.D. Yadav; M.Z. Siddqui; Sarvesh Kumar; Anil Kumar; Jaykar Singh; Mandeep Kumar

doi:10.9734/ijpss/2024/v36i95037

Research Article Open access CC BY 4.0

Effect of Plant Growth Promoters and Herbicides on Growth, Yield Attribute and Yield of Kharif Hybrid Maize (Zea mays L.)

Shravan Kumar Maurya, V. K. Verma, Naushad Khan, D.D. Yadav, M.Z. Siddqui, Sarvesh Kumar, Anil Kumar, Jaykar Singh, Mandeep Kumar

International Journal of Plant & Soil Science · pp. 871–879 · Published 27 Sep 2024

10.9734/ijpss/2024/v36i95037

Abstract

A field experiment was conducted during two consecutive kharif seasons 2022 and 2023 at Students’ Instructional Farm, Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, (U.P.) - 208002 India. The experiment was laid out in split plot design with three replications. Three plant growth promoters [viz. Gibberellic acid (P1), Cytokinin + Enzymes (P2) and Amino acid + Humic acid + Sea weed extract (P3)] were allocated in main plots; whereas six herbicidal treatments [viz. Weedy check (W1), Tembotrione 42%SC @ 120g a.i./ha (W2), Halosulfuron methyl 75% WG @ 72g a.i./ha (W3), Topramezone 33.6 SC @ 25.2g a.i./ha (W4), Atrazin 50%WP @ 1kg a.i./ha (W5) and Mesotrione 2.27%W + Atrazin 22.7%SC @ 750 ml a.i./ha (W6)] were setup in sub plots. On the pooled basis of two years experimental results showed that, application of Amino acid + Humic acid + Sea weed extract (P3) recorded significantly highest value of plant height (208.22cm), crop growth rate (47.54 and 9.96 g m-2 day-1 at 60 - 90 DAS and 90 DAS - harvest stage, respectively), relative growth rate (0.1029, 0.1052 and 0.0825 g g-1 day-1 at 30 - 60 DAS, 60 - 90 DAS and 90 DAS - harvest stage, respectively), length of cob (18.56cm), number of grains cob-1 (574.01), grain yield (6835.95 kg ha-1) and harvest index (34.26). However, among herbicidal treatments, Tembotrione 42%SC @ 120g a.i./ha (W2) was recorded significantly maximum weed control efficiency (85.86% at 75 DAS) plant height (216.59cm), leaf area (5226cm2) crop growth rate (43.45, 48.77 and 10.26 g m-2 day-1 at 30 - 60 DAS, 60 - 90 DAS and 90 DAS - harvest stage, respectively), relative growth rate (0.1037. 0.1053 and 0.0829 g g-1 day-1 at 30 - 60 DAS, 60 - 90 DAS and 90 DAS - harvest stage, respectively) and net assimilation rate (5.65 g m-2 day-1 at 30 - 60 DAS), length of cob (18.56cm), number of grains cob-1 (574.01), grain yield (6835.95 kg ha-1) and harvest index (34.26).

Growth plant growth promoters herbicide maize and yield

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Shravan Kumar Maurya, V. K. Verma, Naushad Khan, D.D. Yadav, M.Z. Siddqui, Sarvesh Kumar, Anil Kumar, Jaykar Singh, Mandeep Kumar (2024). Effect of Plant Growth Promoters and Herbicides on Growth, Yield Attribute and Yield of Kharif Hybrid Maize (Zea mays L.). International Journal of Plant & Soil Science , 871–879. https://doi.org/10.9734/ijpss/2024/v36i95037

Affiliations

Shravan Kumar Maurya — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, (U.P) – 208002, India.
V. K. Verma — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, (U.P) – 208002, India.
Naushad Khan — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, (U.P) – 208002, India.
D.D. Yadav — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, (U.P) – 208002, India.
M.Z. Siddqui — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, (U.P) – 208002, India.
Sarvesh Kumar — Department of Soil Conservation and Water Management, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, (U.P) – 208002, India.
Anil Kumar — Department of Soil Science and Agricultural chemistry, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, (U.P) – 208002, India.
Jaykar Singh — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, (U.P) – 208002, India.
Mandeep Kumar — Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, (U.P) – 208002, India.

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