Effects of Salinity on Initial Seedling Growth of Chickpea (Cicer Arietinum L.)

Gholipoor, M.; Ghasemi-Golezani, K.; Khooie, F.R; Moghaddam, Mohammad

doi:10.1556/aagr.48.2000.4.3

Cited by 8 publications

(4 citation statements)

References 14 publications

(15 reference statements)

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“…The maximum vigour index P-Priming and non priming S-Salinity levels (1506). These results are in conformity with the findings of Gholipoor et al (2000).…”

Section: Shoot Lengthsupporting

confidence: 93%

Effect of rhizobial nod factors (lipochitooligosaccharide) on seedling growth of blackgram under salt stress

Nandhini

Somasundaram

Amanullah

2017

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A study was carried out to examine the performance of blackgram seedlings under varying levels of salinity and to ascertain the remedial effect of lipo chitooligosaccharide (LCO) against salinity stress. Higher germination percentage, root and shoot length, vigour index and salt tolerance index and lower phytotoxicity of roots and shoots (0) were observed in control (no salinity) treatment irrespective of priming. Salinity negatively influenced the seedling growth and as the salinity increased the seedling growth characters were drastically reduced. The nod factor treated blackgram seedlings had relatively higher germination percentage , root and shoot length, vigour index and salt tolerance index and lower phytotoxicity of roots and shoots. Seed priming with nod factor was found to have significant effect on eliminating the effects of salinity.Key words: Lipo chitooligosaccharide, Nod factors, Phytotoxicity, Priming, Salt tolerance index, Salinity.Agricultural productivity is adversely affected by salinity in many arid and semi-arid regions. Globally, 800 million hectares is adversely affected by salinity especially in the areas of irrigated agriculture (FAO, 2012). It causes reduction in the cultivated land size every year and in India 8.1 million hectares of land is salt affected.Salinity reduces the yield of pulses by more than 50 per cent (Bray et al., 2000). Major obstacles to the growth and productivity of widely cultivated greengram, blackgram and cowpea in arid and semiarid regions are the everincreasing salinity and sodicity of soils and the scarcity of good quality irrigation water (Alqurainy, 2007).Seed germination is very sensitive to salinity. Salinity hinders the seedling establishment by accelerating the osmotic potential. Seeds may be more sensitive to stresses than mature plants because of exposure to the dynamic environment close to the soil surface. Dash and Panda (2001) reported decrease in germination percentage, root length, shoot length and fresh mass with an increase in NaCl concentration and at 3 per cent NaCl concentration there was no emergence of root. Udhaya Nandhini et al. (2015) reported that, salt stress decreased germination percentage and reduced seedling growth in maize.Attempts have been made to alleviate the negative effects of salt stress during germination through priming with lipo-chitooligosaccharides (nod factors). Rhizobial bacteria from the family Rhizobiaceae (i.e., rhizobia) affect fundamental processes in plants by producing signal molecules, lipo-chitooligosaccharides (LCOs), during nitrogen fixing symbiosis. These compounds, known as nodulation factors (nod factors), are complex, with activity at concentrations as low as picomolar (Spaink, 1994).It has been shown that LCOs can stimulate several physiological responses in non-host plants including cell division (Egertsdotter and Von Arnod, 1998). Application of nod factors to seeds of legumes and non-legumes stimulates germination, seedling emergence, plant growth and yield in crop and horticultural plan...

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“…The maximum vigour index P-Priming and non priming S-Salinity levels (1506). These results are in conformity with the findings of Gholipoor et al (2000).…”

Section: Shoot Lengthsupporting

confidence: 93%

Effect of rhizobial nod factors (lipochitooligosaccharide) on seedling growth of blackgram under salt stress

Nandhini

Somasundaram

Amanullah

2017

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“…Higher salt contents decrease the concentrations of Ca 2+ , K + , Mg 2+ and other cations, which play a vital role in the photosynthetic activity of plant [ 47 ]. For instance, a significant reduction of Na + /K + ratio observed in mungbean [ 48 ], and chickpea [ 36 ], due to competitive uptake of Na + and K + ion flux, resulting in deficiency of K + and significant yield losses [ 49 ]. In soybean, salinity stress reduced the accumulation of Ca 2+ , K + , and Mg 2+ in the leaves [ 50 ].…”

Section: Legumes Sensitivity To Salt Stress (Ss)mentioning

confidence: 99%

Grain Legumes and Fear of Salt Stress: Focus on Mechanisms and Management Strategies

Nadeem

Yahya

et al. 2019

IJMS

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Salinity is an ever-present major constraint and a major threat to legume crops, particularly in areas with irrigated agriculture. Legumes demonstrate high sensitivity, especially during vegetative and reproductive phases. This review gives an overview of legumes sensitivity to salt stress (SS) and mechanisms to cope with salinity stress under unfavorable conditions. It also focuses on the promising management approaches, i.e., agronomic practices, breeding approaches, and genome editing techniques to improve performance of legumes under SS. Now, the onus is on researchers to comprehend the plants physiological and molecular mechanisms, in addition to various responses as part of their stress tolerance strategy. Due to their ability to fix biological nitrogen, high protein contents, dietary fiber, and essential mineral contents, legumes have become a fascinating group of plants. There is an immense need to develop SS tolerant legume varieties to meet growing demand of protein worldwide. This review covering crucial areas ranging from effects, mechanisms, and management strategies, may elucidate further the ways to develop SS-tolerant varieties and to produce legume crops in unfavorable environments.

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“…Legume seed germination is affected by salinity and other stresses, like alkalinity or temperature (Guan et al 2009). Most legumes respond to moderate salinity by decreasing their growth, both by inhibiting plant cell expansion due to osmotic stress and through cell injury in transpiring leaves and other plant tissues due to the accumulation of Na + and Cl − ions (Delgado et al 1994;Soussi et al 1998;Gholipoor et al 2000;Bayuelo-Jimenez et al 2003;Ahmad and Jhon 2005;Manchada and Garg 2008). Ion toxicity induces alterations in the acquisition and homeostasis of essential nutrients, such as K + , Ca 2+ , and Mg 2+ , and even in nutrient transport (Jeschke et al 1992;Manchada and Garg 2008).…”

Section: Plant Growth and Photosynthesismentioning

confidence: 99%

Legumes in the reclamation of marginal soils, from cultivar and inoculant selection to transgenic approaches

Peña¹,

Pueyo²

2011

Agron. Sustain. Dev.

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Mineral nitrogen deficiency is a frequent characteristic of arid and semi-arid soils. Biological nitrogen fixation by legumes is a sustainable and environmentalfriendly alternative to chemical fertilization. Therefore, legumes have a high potential for the reclamation of marginal soils. Such issue is becoming more urgent due to the ever-rising requirement for food and feed, and the increasing extension of salinized and degraded lands, both as a consequence of global change and irrigation practices. This manuscript reviews current research on physiological and molecular mechanisms involved in the response and tolerance to environmental stresses of the Rhizobiumlegume symbiosis. We report in particular recent advances on the isolation, characterization, and selection of tolerant rhizobial strains and legume varieties, both by traditional methods and through biotechnological approaches. The major points are the following. (1) Understanding mechanisms involved in stress tolerance is advancing fast, thus providing a solid basis for the selection and engineering of rhizobia and legumes with enhanced tolerance to environmental constraints. (2) The considerable efforts to select locally adapted legume varieties and rhizobial inocula that can fix nitrogen under conditions of drought or salinity are generating competitive crop yields in affected soils. (3) Biotechnological approaches are used to obtain improved legumes and rhizobia with enhanced tolerance to abiotic stresses, paying particular attention to the sensitive nitrogen-fixing activity. Those biotechnologies are yielding transgenic crops and inocula with unquestionable potential.In conclusion, the role of legumes in sustainable agriculture, and particularly, their use in the reclamation of marginal lands, certainly has a very promising future.

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Effects of Salinity on Initial Seedling Growth of Chickpea (Cicer Arietinum L.)

Cited by 8 publications

References 14 publications

Effect of rhizobial nod factors (lipochitooligosaccharide) on seedling growth of blackgram under salt stress

Effect of rhizobial nod factors (lipochitooligosaccharide) on seedling growth of blackgram under salt stress

Grain Legumes and Fear of Salt Stress: Focus on Mechanisms and Management Strategies

Legumes in the reclamation of marginal soils, from cultivar and inoculant selection to transgenic approaches

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Effects of Salinity on Initial Seedling Growth of Chickpea (Cicer Arietinum L.)

Cited by 8 publications

References 14 publications

Effect of rhizobial nod factors (lipo­chitooligosaccharide) on seedling growth of blackgram under salt stress

Effect of rhizobial nod factors (lipo­chitooligosaccharide) on seedling growth of blackgram under salt stress

Grain Legumes and Fear of Salt Stress: Focus on Mechanisms and Management Strategies

Legumes in the reclamation of marginal soils, from cultivar and inoculant selection to transgenic approaches

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Product

Resources

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Effect of rhizobial nod factors (lipochitooligosaccharide) on seedling growth of blackgram under salt stress

Effect of rhizobial nod factors (lipochitooligosaccharide) on seedling growth of blackgram under salt stress