Exogenous gibberellic acid does not induce early flowering in mungbeans [Vigna radiata (L.) Wilczek.]

Raina, Susheel Kumar; Yadav, Parul; Singh, Ajay Kumar; Raskar, Nikhil; Rane, Jagadish; Minhas, P.S.

doi:10.18805/lr-4037

Cited by 3 publications

(3 citation statements)

References 15 publications

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“…The possible reason of increased plant height could be ascribed to the favorable effects of GA 3 on the physiological processes inducing cell division, increasing cell elongation, and enlargement or both due to higher RWC (Table 3) and photosynthetic pigments (Table 4). Our result is also in agreement with the findings of Hoque and Haque (2002), Abdel and Al-Rawi (2011), Keykha et al (2014) and Raina et al (2018) in V. radiata, Iqbal et al (2001) in chickpea, Emongor (2007) in cowpea, Pandey et al (2004) in pea, Deotale et al (1998) in soybean, and Kumar et al (2014) in tomato. The increase in plant height due to GA 3 application might be had an effect on the elongation of internodes (Krishnamoorthy, 1981).…”

Section: Plant Heightsupporting

confidence: 93%

Responses of Water and Pigments Status, Dry Matter Partitioning, Seed Production, and Traits of Yield and Quality to Foliar Application of GA3 in Mungbean (Vigna radiata L.)

et al. 2021

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This study evaluated the role of gibberellic acid [GA3; (0, 100, 200, and 300 ppm)] in modulation of the growth, physiology, yield, and quality traits in two varieties (BARI Mung-6 and BARI Mung-8) of mungbean (Vigna radiata L.). Irrespective of the two varieties (BARI Mung-6 and BARI Mung-8), 100, 200, and 300 ppm of GA3 differentially modulated the tested parameters (relative water content, RWC; photosynthetic pigments: chlorophyll a, chlorophyll b, and carotenoids; growth parameters: fresh and dry weights of leaves, petioles, stems, and roots; yield contributing traits such as plant height, number of pods plant−1, number of grains pod−1, pod length, and 100-grain weight; quality traits such as grain nitrogen and protein). However, compared to the lowest GA3 (100 ppm) and the highest GA3 (300 ppm), the moderate concentration of GA3 (200 ppm) led to highest values of leaf-RWC, where this parameter exhibited 16.1 and 13.4% increase in BARI Mung-8 and BARI Mung-6, respectively. Similarly, the tested herein growth parameters and the yield traits significantly increased up to the foliar application of the moderate GA3 concentration (200 ppm), and thereafter these traits decreased with 300 ppm GA3. The 200 ppm-led changes in the growth and yield traits were significantly higher in BARI Mung-8 when compared to BARI Mung-6. Considering the quality traits, GA3 positively influenced the nitrogen and protein content in grains, where 200 ppm of GA3 led to increases of 25.2% in N, and 17.7% in protein over control in BARI Mung-6; whereas, BARI Mung-8 exhibited 28.3% in N, and 18.3% in protein with 200 ppm GA3 over control. Overall, BARI Mung-8 significantly responded to the foliar supply of 200 ppm GA3 when compared to BARI Mung-6. Hence, in order to high yield and grain protein content, the application of 200 ppm GA3 may be applied in V. radiata before and during flowering. The major mechanisms underlying the responses of the water relation, growth, and yield traits to the GA3 concentrations need to be explored.

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Section: Plant Heightsupporting

confidence: 93%

Responses of Water and Pigments Status, Dry Matter Partitioning, Seed Production, and Traits of Yield and Quality to Foliar Application of GA3 in Mungbean (Vigna radiata L.)

et al. 2021

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“…Early flowering or maturity (EF/EM) is the most critical phenological trait/mechanism exploited by breeders for the development of short-duration varieties which can escape abiotic stresses, particularly droughts and heat stress. Early flowering and seed set before an upcoming drought event are important in legumes [ 330 ] and cereals [ 298 ]. This trait is controlled by three groups of genes, vernalization ( Vrn ), photoperiod ( Ppd ), and earliness per se ( Eps ), and the genetics of these traits have been studied extensively, particularly in cereals [ 331 , 332 , 333 , 334 ].…”

Section: Explored Mechanisms Of Abiotic Stress Tolerance For Crop Improvementmentioning

confidence: 99%

The Adaptation and Tolerance of Major Cereals and Legumes to Important Abiotic Stresses

Rane

Singh

Kumar

et al. 2021

IJMS

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Abiotic stresses, including drought, extreme temperatures, salinity, and waterlogging, are the major constraints in crop production. These abiotic stresses are likely to be amplified by climate change with varying temporal and spatial dimensions across the globe. The knowledge about the effects of abiotic stressors on major cereal and legume crops is essential for effective management in unfavorable agro-ecologies. These crops are critical components of cropping systems and the daily diets of millions across the globe. Major cereals like rice, wheat, and maize are highly vulnerable to abiotic stresses, while many grain legumes are grown in abiotic stress-prone areas. Despite extensive investigations, abiotic stress tolerance in crop plants is not fully understood. Current insights into the abiotic stress responses of plants have shown the potential to improve crop tolerance to abiotic stresses. Studies aimed at stress tolerance mechanisms have resulted in the elucidation of traits associated with tolerance in plants, in addition to the molecular control of stress-responsive genes. Some of these studies have paved the way for new opportunities to address the molecular basis of stress responses in plants and identify novel traits and associated genes for the genetic improvement of crop plants. The present review examines the responses of crops under abiotic stresses in terms of changes in morphology, physiology, and biochemistry, focusing on major cereals and legume crops. It also explores emerging opportunities to accelerate our efforts to identify desired traits and genes associated with stress tolerance.

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“…However, its large-scale adoption is constrained by yield losses in areas exposed to various biotic and abiotic factors. Abiotic stress factors like heat, cold, drought, and flooding adversely affect crop productivity worldwide (Raina et al, 2018). Being sessile, plants have developed enormous diversity in their intrinsic factors which facilitate survival in a wide range of environments.…”

Section: Introductionmentioning

confidence: 99%

Variations in ethylene sensitivity among mungbean [Vignaradiata (L.) Wilczek] genotypes exposed to drought and waterlogging stresses

Raina¹,

Raskar²,

Aher³

et al. 2019

Turk J Bot

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Exogenous gibberellic acid does not induce early flowering in mungbeans [Vigna radiata (L.) Wilczek.]

Cited by 3 publications

References 15 publications

Responses of Water and Pigments Status, Dry Matter Partitioning, Seed Production, and Traits of Yield and Quality to Foliar Application of GA3 in Mungbean (Vigna radiata L.)

Responses of Water and Pigments Status, Dry Matter Partitioning, Seed Production, and Traits of Yield and Quality to Foliar Application of GA3 in Mungbean (Vigna radiata L.)

The Adaptation and Tolerance of Major Cereals and Legumes to Important Abiotic Stresses

Variations in ethylene sensitivity among mungbean [Vignaradiata (L.) Wilczek] genotypes exposed to drought and waterlogging stresses

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