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Legume Research
Year : 2024, Volume : 47, Issue : 1
First page : ( 20) Last page : ( 26)
Print ISSN : 0250-5371. Online ISSN : 0976-0571.
Article DOI : 10.18805/LR-4493

Water Stress Induced Changes in Seed quality of Fenugreek (Trigonella foenum- graecum L.) Genotypes

Ghosaliya B.K.1, Mittal G.K.1,*, Shivran A.C.2, Sharma S.K.3, Saxena S.N.4, Jain S.K.5

1Department of Biochemistry, SKN College of Agriculture, Sri Karan Narendra Agriculture University, Jobner-303 329, Rajasthan, India

2Department of Agronomy, SKN College of Agriculture, Sri Karan Narendra Agriculture University, Jobner-303 329, Rajasthan, India

3Department of Statistics, Mathematics and Computer Science, SKN College of Agriculture, Sri Karan Narendra Agriculture University, Jobner-303 329, Rajasthan, India

4ICAR-National Research Centre on Seed Spices, Tabiji, Ajmer-305 006, Rajasthan, India

5Rajasthan Agricultural Research Institute, Sri Karan Narendra Agriculture University, Durgapura, Jaipur-302 018, Rajasthan, India

*Corresponding Author: G.K. Mittal, Department of Biochemistry, SKN College of Agriculture, Sri Karan Narendra Agriculture University, Jobner-303 329, Rajasthan, India, Email: mittalgkumar@gmail.com

Online Published on 09 February, 2024.

Abstract

Background

Seed quality of fenugreek is determined by its primary metabolites and an alkaloid diosgenin. Apart from these fenugreek seeds contains total oil, saponins, carbohydrates, protein and major nutrients. Seeds are bitter in taste due to presence of an alkaloid “trigonelline”. In India, major cultivated area of fenugreek is still dependent on conserved moisture and moisture stress conditions reduces its productivity.

Methods

A field experiment was carried out in randomized block design (RBD) with three replications during Rabi 2016-2017. Performance of ten fenugreek genotypes was evaluated on the basis of seed quality parameters under normal and water stress condition. Seed samples from both normal and water stressed plant were used for quality analysis in laboratory. Analysis of different quality parameters was done by using standard methods and protocol.

Result

Water stress was found to increase seed total oil, saponins and diosgenine content in all the genotypes. Genotypes RMt-1, RMt-305 and RMt-143 were able to accumulate significantly higher total oil and diosgenine content in normal as well as water stress conditions. Water stress condition induced more saponins synthesis in genotype RMt-361 and RMt-351 while crude protein and total carbohydrate declined in all the genotypes. The minimum decrease in crude protein and carbohydrate due to water stress was recorded in genotype RMt-351 and genotypes Hisar Sonali respectively. Moisture was found to decrease in all the genotypes under influence of water stress conditions, minimum (13.75%) being observed in genotype RMt-305. Maximum seed yield was recorded in genotype RMt-361 both under normal as well as water stress conditions. Genotype RMt-1 had least reduction in yield under water stress condition (3.54%). Results suggested that a significant genotypic variation in seed quality parameters of fenugreek genotypes induced through stress may be utilize to introduce novelty of different purpose for developing new cultivars.

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Keywords

Diosgenin, Fenugreek, Quality, Saponin, Water stress, Yield.

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