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June 20, 2026Advances in AgricultureOpen Access

Modulating Maize Growth, Yield, and Biochemical Responses Through Plant Growth Regulators Under Contrasting Water Availability

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Authors

GLGulshan Nahar LimuBangladesh Agricultural UniversityUSUmmoy Sumaia ShammyBangladesh Agricultural UniversityMMMd. Liton MiaBangladesh Agricultural University

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Implication

Randomized trial evaluates plant growth regulators' effects on maize yield under drought and irrigation, suggesting effective management strategies.

Key Points

  • This research aims to evaluate the effects of plant growth regulators on maize growth and yield under different water availability conditions.
  • Conducted as a randomized trial using a split-split plot design with three replications.
  • Tested the effects of foliar-applied PGRs (chitosan, ascorbic acid, salicylic acid) on two hybrid maize varieties under irrigated and rainfed conditions.
  • Analyzed yield and biochemical parameters of maize during the 2020-21 Rabi season.
  • Salicylic acid increased grain yield by 20.61% under rainfed conditions (8.20 t ha−1 vs. 6.51 t ha−1 in control).
  • Dekalb maize variety achieved the highest yield of 9.52 t ha−1 under irrigation with salicylic acid.
  • Principal component analysis indicated strong positive correlations between geometric mean productivity and grain yield under stress (r = 0.74).

Cite This Study

Limu et al. (2026) studied this question.

synapsesocial.com/papers/6a363274db0793dc1a5390d7https://doi.org/10.1155/aia/3874188
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