Variability in the Response of Chickpea Cultivars to Short-Term Salinity, in Terms of Water Retention Capacity, Membrane Permeability, and Osmo-Protection

Neera GARG; Ranju SINGLA

Makale detayları

Variability in the Response of Chickpea Cultivars to Short-Term Salinity, in Terms of Water Retention Capacity, Membrane Permeability, and Osmo-Protection

Yazarlar:

Neera GARG | Ranju SINGLA

Yayıncı:

TUBITAK

Ana Başlıklar:

Tarım

Dergi:

Turkish Journal of Agriculture and Forestry 2009 Vol.33 Issue 1, pp.57-63

Belge Tipi:

Makale

Yayın Tarihi:

12/2008

Belge Dili:

İngilizce

Document ID (Org No.):

2000808535

Sıklık:

İki Aylık

eISSN:

1303-6173

pISSN:

1300-011X

Anahtar kelimeler:

Özet:

 

Seedlings of 2 chickpea cultivars (Cicer arietinum L.), salt-tolerant kabuli (CSG 9651) and salt-sensitive desi (DCP 92-3), were raised under control (distilled water) and salinity (EC = 4, 6, and 8 dS m-1) conditions. Salt treatments were applied once symbiosis was well established (i.e. 15 days after sowing [DAS]) and continued until the last sampling stage (i.e. 70 DAS). The experiments were terminated 70 DAS and the plants were analyzed 40 and 70 DAS. Salt stress decreased the relative water content (RWC), membrane stability index (MSI), leaf chlorophyll (CHL), plant biomass, and grain yield, and increased total soluble sugars in both cultivars at both stages (40 and 70 DAS). Salinity-induced declines in RWC, MSI, CHL, biomass, and grain yield were significantly greater in desi DCP 92-3 than in Kabuli CSG 9651. DCP 92-3 also had higher accumulation of Na+ in the roots as well its translocation into shoots, which had a negative impact on the K+/Na+ ratio. Results indicate that the salinity tolerance of kabuli CSG 9651, as manifested by less of a decrease in biomass and grain yield, was associated with higher membrane permeability, osmolyte concentration, and potassium content, and lower sodium content, as compared to salt-sensitive desi DCP 92-3. It is apparent that the salt-tolerant cultivar had better protection against salt-induced stress as a result of the cumulative action of various physiological and biochemical processes.

 

Seedlings of 2 chickpea cultivars (Cicer arietinum L.), salt-tolerant kabuli (CSG 9651) and salt-sensitive desi (DCP 92-3), were raised under control (distilled water) and salinity (EC = 4, 6, and 8 dS m-1) conditions. Salt treatments were applied once symbiosis was well established (i.e. 15 days after sowing [DAS]) and continued until the last sampling stage (i.e. 70 DAS). The experiments were terminated 70 DAS and the plants were analyzed 40 and 70 DAS. Salt stress decreased the relative water content (RWC), membrane stability index (MSI), leaf chlorophyll (CHL), plant biomass, and grain yield, and increased total soluble sugars in both cultivars at both stages (40 and 70 DAS). Salinity-induced declines in RWC, MSI, CHL, biomass, and grain yield were significantly greater in desi DCP 92-3 than in Kabuli CSG 9651. DCP 92-3 also had higher accumulation of Na+ in the roots as well its translocation into shoots, which had a negative impact on the K+/Na+ ratio. Results indicate that the salinity tolerance of kabuli CSG 9651, as manifested by less of a decrease in biomass and grain yield, was associated with higher membrane permeability, osmolyte concentration, and potassium content, and lower sodium content, as compared to salt-sensitive desi DCP 92-3. It is apparent that the salt-tolerant cultivar had better protection against salt-induced stress as a result of the cumulative action of various physiological and biochemical processes.

Makale detayları

Variability in the Response of Chickpea Cultivars to Short-Term Salinity, in Terms of Water Retention Capacity, Membrane Permeability, and Osmo-Protection

Yazarlar:

Neera GARG | Ranju SINGLA

Yayıncı:

TUBITAK

Ana Başlıklar:

Tarım

Dergi:

Turkish Journal of Agriculture and Forestry 2009 Vol.33 Issue 1, pp.57-63

Belge Tipi:

Makale

Yayın Tarihi:

12/2008

Belge Dili:

İngilizce

Document ID (Org No.):

2000808535

Sıklık:

İki Aylık

eISSN:

1303-6173

pISSN:

1300-011X

Cicer arietinum

cultivars

membrane stability index

osmolytes

relative water content

Sayı

Makale detayları

Variability in the Response of Chickpea Cultivars to Short-Term Salinity, in Terms of Water Retention Capacity, Membrane Permeability, and Osmo-Protection

Yazarlar: Neera GARG | Ranju SINGLA

Yayıncı: TUBITAK

Ana Başlıklar: Tarım

Dergi: Turkish Journal of Agriculture and Forestry 2009 Vol.33 Issue 1, pp.57-63

Belge Tipi: Makale

Yayın Tarihi: 12/2008

Belge Dili: İngilizce

Document ID (Org No.): 2000808535

Sıklık: İki Aylık

eISSN: 1303-6173

pISSN: 1300-011X

Cicer arietinum

cultivars

membrane stability index

osmolytes

relative water content

Sayı

Yazarlar:

Neera GARG | Ranju SINGLA

Yayıncı:

TUBITAK

Ana Başlıklar:

Tarım

Dergi:

Turkish Journal of Agriculture and Forestry 2009 Vol.33 Issue 1, pp.57-63

Belge Tipi:

Makale

Yayın Tarihi:

12/2008

Belge Dili:

İngilizce

Document ID (Org No.):

2000808535

Sıklık:

İki Aylık

eISSN:

1303-6173

pISSN:

1300-011X