Effet de la salinité sur la germination graines et la croissance des semis de treize cultivars africains de sésame (Sesamum indicum L.)

Dangue, Adiouma; Gueye, Ndiogou; Diallo, Ahmed Tidjane; Sare, Idy Carras; Fall-Ndiaye, Mame Arama; Diop, Tahir Abdoulaye

doi:10.19044/esj.2020.v16n15p200

Cited by 1 publication

(2 citation statements)

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“…The germination rates at the concentrations 400 mM and 500 mM show a significant difference between them and also with those of the concentrations less than or equal to 300 mM. These results agree with those of Dangue et al [19] who showed a significant reduction in the germination rate as a function of salinity in sesame (Sesamum indicum L.).…”

Section: Discussionsupporting

confidence: 91%

“…The dry biomass (BS) of peanut variety 73-33 decreased with increasing salt (NaCl) content over the harvest date (Figure 2). This negative effect of NaCl on dry biomass has been noted in various species such as roselle [20], wheat [21], chili [22], cowpea (Phaseolus vulgaris L.) [23], sesame ( [19]; [24]; [25]). This reduction may be related to the toxic effect of Cl − and Na + ions accumulated in the tissues ( [26]; [27]).…”

Section: Discussionmentioning

confidence: 99%

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Effect of salinity on the physiology of peanut variety 73-33 (Arachis hypogaea L.)

Dangue¹,

Sarr²,

Kane³

2021

GSC Biol. and Pharm. Sci.

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Peanut (Arachis hypogaea, L.) is an annual papilionaceous oilseed legume cultivated on nearly 25 million hectares in tropical and temperate zones due to its remarkable plasticity to temperature and water requirements. In Senegal, peanut is produced in rural areas where they are the main source of agricultural income. Variety 73-33 is cultivated in the river valley and the groundnut basin is subject to the influence of salinization affecting four of Senegal's ecogeographic zones. Studies conducted with randomized full-block experimental set-up in the laboratory and under semi-controlled greenhouse conditions have shown the effect of different concentrations of NaCl on the peanut variety 73-33: 0mM; 25mM; 50mM; 100mM; 200mM; 300mM; 400mM; 500mM for germination and 0mM; 25mM; 50mM; 100mM for growth growth and chlorophyll production. The parameters which were measured are: the germination rate (ten days after sowing), the number of nodules, the number of gynophores, the dry biomass and the production of chlorophyll at twenty, forty and seventy-five days after sowing. Germination is significantly negatively affected from 400mM. Twenty days after sowing there is a significant difference between the control and the other treatments for the production of chlorophyll a (Chla) only. Forty days after sowing, the production of chlorophyll a and total chlorophyll shows a very highly significant difference between all the treatments. The dry biomass only shows a significant difference from 100mM. Seventy-five days after sowing, the dry biomass and the number of gynophores are significantly reduced by the salinity from 25mM.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Effect of salinity on the physiology of peanut variety 73-33 (Arachis hypogaea L.)

Dangue¹,

Sarr²,

Kane³

2021

GSC Biol. and Pharm. Sci.

View full text Add to dashboard Cite

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Effet de la salinité sur la germination graines et la croissance des semis de treize cultivars africains de sésame (Sesamum indicum L.)

Abstract: Sesame (Sesamum indicum L.), an annual self-pollinating plant native to Africa and India, is very sensitive to the stages of germination and sowing but moderately tolerant to water and salt stress. The objective of this

Cited by 1 publication

References 9 publications

Effect of salinity on the physiology of peanut variety 73-33 (Arachis hypogaea L.)

Effect of salinity on the physiology of peanut variety 73-33 (Arachis hypogaea L.)

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