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Optimal Use of Plant Growth Regulators for Improved Growth, Yield, and Economic Returns of Winter Tomato (Solanum lycopersicum) in arid regions: OPTIMIZATION OF PLANT GROWTH REGULATORS USE IN TOMATO

Indian Agricultural Research Journals

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Title Optimal Use of Plant Growth Regulators for Improved Growth, Yield, and Economic Returns of Winter Tomato (Solanum lycopersicum) in arid regions: OPTIMIZATION OF PLANT GROWTH REGULATORS USE IN TOMATO
 
Creator Choudhary, Santosh
Suman Poonia
S. K. Moond
P.R. Raiger
Moola Ram
Ronak Kuri
 
Subject 4-CPA, Economic Optimum Dose, Fruit Yield, GA3, NAA
 
Description A field experiment was conducted to optimize the application of plant growth regulators in tomato cultivation during rabi, 2021-22. The objective was to assess their effects on growth, yield attributes, fruit yield, and economics. The experiment included 10 treatments with three plant growth regulators (GA3, 4-CPA, and NAA), each applied at three levels (25, 50, and 75 µg mL-1), along with a control (water).  The experimental design was a randomized block with three replications. Results indicated that GA3 and NAA significantly enhanced plant height, the number of branches, fruit yield, and economic returns. Conversely, 4-CPA adversely affected yield and consequently economic returns. Optimal dosages for GA3 and NAA were identified at 53.5 µg mL-1 and 63.1 µg mL-1, respectively, using second-order polynomial regression (y=ax2+bx+c). This resulted in tomato yields of 29.55 and 29.69 t ha-1, respectively. NAA treatments stood out, providing the highest net returns (Rs. 4,80,447 ha-1) and a favourable B:C ratio of 4.26:1, making it a promising choice for tomato cultivation
 
Publisher Arid Zone Research Association of India, Jodhpur (Rajasthan)
 
Date 2024-04-02
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/AAZ/article/view/144645
10.59512/aaz.2024.63.1.13
 
Source Annals of Arid Zone; Vol. 63 No. 1 (2024): Annals of Arid Zone; 107-112
0570-1791
10.59512/
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/AAZ/article/view/144645/54255
 
Rights Copyright (c) 2024 The author(s) continues to retain copyright post publication and can transfer non-exclusive publishing rights to the Annals of Arid Zone Journal.
https://creativecommons.org/licenses/by-nc-sa/4.0