Effect of Salinity on Seed Germination, Growth, and Ion Accumulation of Atriplex patula (Chenopodiaceae)

Ungar, Irwin A.

doi:10.2307/2445919

Cited by 132 publications

(106 citation statements)

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“…The results of salt stress was almost prominent from 100mM salt concentration onwards for all the five wheat varieties resulting into mean daily germination (MDG). From the results of this present investigation it can be concluded that seeds of five different seeds of different wheat cultivars were susceptible to higher concentrations of salt solutions in germination stage which was supported by the works of (Ungar et al, 1996;Gul et al, 1999). The results regarding germination percentage, germination rate and mean daily germination the results were significant (p<0.05) for all the varieties.…”

Section: Resultssupporting

confidence: 76%

Impact of salt stress on five varieties of Wheat(<i>Triticum aestivum</i> L.) cultivars under laboratory condition

Datta¹,

Nag²,

Banerjee³

et al. 2010

Journal of Applied Sciences and Environmental Management

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ABSTRACT:The impact of salt stress under different salinity level (0,25,50,75,100,125,150 mM NaCl ) on five varieties of Wheat viz., HOW-234, HD-2689, RAJ-4101, RAJ-4123, and HD-2045 was conducted. The data showed that different level of salinity significantly affected the growth attributes by reducing root and shoot length for salinity below 125mM. Fresh weight and dry weight of root and shoot were reduced significantly with subsequent treatment. Regarding germination maximum germination was found in variety HD2689 in all the treatments and maximum inhibition was found to be in case of HOW234 variety at 150mM salinity level. Regarding biochemical analysis the sugar, proline content increased with increasing salinity level where as protein content decreased in the physiologically active leaves of different treatments for all the varieties of wheat. @ JASEM

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Section: Resultssupporting

confidence: 76%

Impact of salt stress on five varieties of Wheat(<i>Triticum aestivum</i> L.) cultivars under laboratory condition

Datta¹,

Nag²,

Banerjee³

et al. 2010

Journal of Applied Sciences and Environmental Management

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“…This is consistent with other studies of germination of halophytes in which germination was suppressed at high salinities but seeds were able to subsequently germinate in freshwater (Ungar 1996;Debez et al 2004;Qu et al 2008). Imbibition of freshwater is required before germination but is inhibited by seawater due to the low relative water concentration in the presence of such a high salt concentration (Debez et al 2004).…”

Section: Salinity Germination Effectssupporting

confidence: 91%

Seed dispersal but not seed germination facilitated by seabirds: seed ecology of Cook’s scurvy grass

Dale¹,

Lange²,

Burns³

2017

NZ J Ecol

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Lepidium oleraceum (Brassicaceae) is a threatened New Zealand plant closely associated with seabird colony environments. We hypothesise that this spatial coincidence arises from seabird dispersal of L. oleraceum seed and/or guano stimulating germination. To test the possibility of seabird epizoochory, we used laboratory studies to examine L. oleraceum seed adhesion and tolerance to seawater immersion. To test for stimulation of germination by guano we measured seed germination in increasing concentrations of seabird guano or inorganic fertiliser (to separate a nutrient effect from a possible effect from some other unknown constituent). Seeds developed a sticky mucilage layer after 50 seconds in freshwater and 50% were able to adhere to dry paper for over 24 months. A higher proportion of seeds germinated after soaking in freshwater (91% ± 3.1%) than seawater (44% ± 4.9%), and seawater germination was comparable to unsoaked controls (46% ± 3.1%).A comparison of germination rates under different concentrations of guano and fertiliser showed no significant differences associated with treatments except germination was inhibited above 1 gNL -1 . We conclude that seabirds are probable dispersers of L. oleraceum seed through external attachment, but germination is not promoted by guano presence.

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“…High levels of soil salinity can significantly inhibit seed germination and seedling growth, due to the combined effects of high osmotic potential and specific ion toxicity (Grieve and Suarez, 1997). Intolerance to salinity may result in physiological and biochemical disorders which prevent or delay germination or cause abnormal seedlings (Rehman et al, 1996;Ungar, 1996). Hence, introducing of salt tolerant plants is one of the ways to utilize the waste saline water and lands (Baccio et al, 2004).…”

mentioning

confidence: 99%

Impact of saline water stress on nutrient uptake and growth of cowpea

Patel

Kajal²,

Patel

et al. 2010

Braz. J. Plant Physiol.

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Soil salinity is a major limitation to crops production in many areas of the world. The present study reports the impact of salt stress on seeds germination, plant growth parameters and leaf ions accumulation in three cowpea [Vigna unguiculata (L. . On the other hand, height and weight of all cultivars were less affected by the salt stress. Only at 10 dS m −1 EC, significant reduction in plant height and root length could be found for all three cultivars. Salinity induced a significant increase in Na + , Cl − and proline concentrations, while reduced the accumulation of K + and Ca 2+ in leaves of all the cultivars. Moreover, the tolerance difference between the cultivars was better observed at the lowest levels of salt stress, as reveled in the measurements of K + /Na + ratio and proline content. In conclusion, this study characterizes Akshay-102 as the most tolerant cultivar and establishes the measurements of germination capacity, K + /Na + ratio and proline accumulation as an important features to be explored in programs for selection and/or development of tolerant cultivars which make possible the utilization of waste saline water as well as the cultivation of vast areas of the tropical world affected by salinity.

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Effect of Salinity on Seed Germination, Growth, and Ion Accumulation of Atriplex patula (Chenopodiaceae)

Cited by 132 publications

References 0 publications

Impact of salt stress on five varieties of Wheat(<i>Triticum aestivum</i> L.) cultivars under laboratory condition

Impact of salt stress on five varieties of Wheat(<i>Triticum aestivum</i> L.) cultivars under laboratory condition

Seed dispersal but not seed germination facilitated by seabirds: seed ecology of Cook’s scurvy grass

Impact of saline water stress on nutrient uptake and growth of cowpea

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