Response of Chili Pepper (Capsicum spp.) Cultivars Cultivated in Benin to Salt Stress at Germination Stage

Kpinkoun, Julien Koffi; Zanklan, Séraphin Ahissou; Montcho, David; Kinsou, Eliane; Komlan, Françoise Assogba; Mensah, Armel; Wouyou, Agapit; Gandonou, Christophe Bernard

doi:10.9734/ijpss/2018/42118

Cited by 7 publications

(10 citation statements)

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“…The reduction was significant and more accentuated in cultivars Petomech and Padma in comparison with cultivars F1 Mongal and the four other cultivars indicating variability in the response of the seven cultivars tested to salt stress as reported in other tomato cultivars [22]. The same trend has been reported in several species including rice [15], durum wheat [39] sugar beet [40], chili [5] and amaranth [38]. The percentage of final germination is suggested to be the best way to identify the saline concentration that presents the physiological limit of germination of tomato seeds [41].…”

Section: Effect Of Salt Stress On Final Germination Percentagesupporting

confidence: 75%

“…The difference could be due to seeds freshness. Globally, the cultivars tested in this study presented variable capacity of seed germination after 10 days in absence of salt stress as reported in cultivars of different vegetable species including lettuce [36], cabbage [37], amaranth [38] and chili [5].…”

Section: Effect Of Salt Stress On Final Germination Percentagementioning

confidence: 66%

“…Soil salinity is the major stress that reduced plant productivity mainly in arid and semi-arid climates [1]. Plant growth is affected by salinity at all stages of development, but sensitivity varies greatly at different stages [2][3][4][5]. Germination is a critical stage in the growth cycle of plant species which determines plant establishment and final crop production [6].…”

Section: Introductionmentioning

confidence: 99%

“…Increasing salinity generally reduces germination of glycophytes [4,[8][9][10] and the response is concentration dependent and also specific on species [11][12][13][14]. It has been reported that there is a substantial variation in salt sensitivity among cultivars of the same species [2,5,15,16]. Tomato (Lycopersicon esculentum Mill.)…”

Section: Introductionmentioning

confidence: 99%

“…The STI was based on the final germination percentage reflecting the effect of salt stress from the beginning to the end of the experiment. This criterion was used by [5] to classify chili pepper cultivars according to their salt resistance level. Based on this criterion, cultivars F1 Mongal, Akikon, TLCV15 and Tounvi appeared as the most salt resistant at germination level whereas Petomech followed by Padma appeared as the most salt sensitive; Thorgal was intermediate.…”

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confidence: 99%

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Salt Resistance of Tomato (Lycopersicon esculentum Mill.) Cultivars Produced in Benin at Germination Stage

Kinsou¹,

Montcho

Zanklan³

et al. 2019

IJPSS

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Aims: In this research study, salt resistance level of seven tomato cultivars grown in Benin, namely Akikon, Tounvi; F1 Mongal, Petomech, Padma, TLCV 15 and Thorgal was evaluated at the germination stage. Study Design: The experiment was laid out as a completely randomized design with four replications. Place and Duration of Study: The experiment was carried out in the Laboratory of Plant Physiology and Abiotic Stresses Study of University of Abomey-Calavi, Republic of Benin from May to June, 2017. Methodology: Seeds were submitted to treatment with four NaCl concentrations (0; 30; 60 and 90 mM NaCl) in Petri dishes. Seed germination was checked every day during ten days incubation period. Four replicates of 40 seeds each were used. Results: NaCl reduced seed germination rate in all cultivars from day 2 to day 10 and the germination index proportionately to NaCl concentration. At the end of the 10 days, salt stress reduced the final germination percentages with a significant difference among cultivars: cultivars F1 Mongal followed by Akikon, Thorgal, TLCV15 and Tounvi were less affected in comparison with the two other cultivars. Salt Tolerance Index was significantly variable according to the cultivar with the highest values for cultivars F1 Mongal (1.086), Akikon (1.028), TLCV15 (1.005) and Tounvi (0.989) and the weakest value for cultivar Petomech (0.436). Conclusion: NaCl stress delayed seed germination and reduced the rate of final germination. Salt Tolerance Index was variable among the seven cultivars. Based on this criterion, cultivars F1 Mongal, Akikon, TLCV15 and Tounvi were the most salt-resistant whereas Petomech was the most salt-sensitive at germination stage.

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Section: Effect Of Salt Stress On Final Germination Percentagesupporting

confidence: 75%

Section: Effect Of Salt Stress On Final Germination Percentagementioning

confidence: 66%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Salt Resistance of Tomato (Lycopersicon esculentum Mill.) Cultivars Produced in Benin at Germination Stage

Kinsou¹,

Montcho

Zanklan³

et al. 2019

IJPSS

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Responses of sweet pepper (Capsicum annum L.) cultivated in a closed hydroponic system to variable calcium concentrations in the nutrient solution

et al. 2021

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BACKGROUND The use of water containing calcium bicarbonate (Ca(HCO3)2) at excessively high concentrations in closed hydroponic crops can cause calcium ion (Ca2+) accumulation in the recycled nutrient solution (NS) and concomitantly negatively affect yield and product quality. The aim of the study was to determine maximum Ca2+ concentrations that do not harm the crop and to simulate the pattern of Ca2+ accumulation when the Ca2+ concentration in the irrigation water, and concomitantly in the replenishment nutrient solution (RNS), is excessive. In the current study, irrigation water containing 1.5, 3.0, 4.5 and 6.0 mmol L−1 Ca2+ was used to prepare the RNS supplied to pepper cultivated in a closed hydroponic system. RESULTS At 1.5 mmol L−1 Ca2+, no Ca2+ accumulation was observed in the recirculating NS. However, at 3.0, 4.5 and 6.0 mmol L−1 in the irrigation water, the Ca2+ concentration in the recirculating NS, increased by the latter cropping stages to 17, 28 and 37 mmol L−1, corresponding to 6.4, 9.0 and 10.8 dS m−1. The accumulation of Ca2+ in the recirculating NS affected both tissue nutrient concentrations and uptake concentrations of Ca2+, sulphate ion (SO42−) and magnesium ion (Mg2+), but this was not the case for nitrogen (N) or potassium ion (K+). Growth, yield and plant water uptake were restricted at moderate (3.0 and 4.5 mmol L−1) and high (6.0 mmol L−1) external Ca2+ levels. CONCLUSION In soilless pepper crops with zero discharge of fertigation effluents, the Ca2+ concentration in the irrigation water and the RNS should be lower than 3.0 mmol L−1 to avoid yield restrictions due to salinity. © 2021 Society of Chemical Industry

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Effect of salinity on seed germination and seedling growth of bullet cultivar of chilli (Capsicum annuum L.)

Sarkar

Oraon²,

Mondal³

et al. 2023

Braz. J. Bot

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Response of Chili Pepper (Capsicum spp.) Cultivars Cultivated in Benin to Salt Stress at Germination Stage

Cited by 7 publications

References 0 publications

Salt Resistance of Tomato (Lycopersicon esculentum Mill.) Cultivars Produced in Benin at Germination Stage

Salt Resistance of Tomato (Lycopersicon esculentum Mill.) Cultivars Produced in Benin at Germination Stage

Responses of sweet pepper (Capsicum annum L.) cultivated in a closed hydroponic system to variable calcium concentrations in the nutrient solution

Effect of salinity on seed germination and seedling growth of bullet cultivar of chilli (Capsicum annuum L.)

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