Assessment for Salt Tolerance in Vegetables Jute Germplasms at the Germination Stage
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    Abstract:

    The objective of this study aimed to evaluate salt tolerance of vegetable jute, via under different salt stress conditions on and comprehensively evaluate the salt tolerance. In this study, 13 vegetable jute germplasms and 2 jute which used as control were treatmented with NaCl and Na2SO4 at different concentrations of 0, 50, 100, 150, 200 mmol/L, respectively. Then germination potential, germination rate, sprout length and radical length were measured after salt treatment. The 13 vegetable jute germplasms were evaluated and classified using subordination function method and hierarchical cluster analysis. The result showed the different kinds and concentrations salt stress have different effects on germination potential, germination rate, sprout length and radical length of vegetable jute w.With the increase of salt concentration, all indexes were significantly lower than the control 200 mmol/L.According to the degree of inhibit of NaCl stress, the indexes of jute germination were from large to small radical length , germination potential, sprout length, germination rate.According to the degree of inhibit of Na2SO4 stress, the indexes of jute germination were from large to small radical length, sprout length, germination potential, germination rate. Na2SO4 stress on the germination of vegetable jute was higher than NaCl. Based on the results, 13 vegetable jute germplasms and 2 control lines could be classified into groups, including high salt tolerance, moderate salt tolerance, salt sensitivity. Finally, 14MCB-1,yueyin No.2, Egyptmacai, funong NO.1 were highly NaCl tolerant, guimacai2 was highly Na2SO4 tolerant, the ping guo ma cai showed salt sensitive to both salt.

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History
  • Received:July 26,2018
  • Revised:December 10,2018
  • Adopted:October 25,2018
  • Online: March 19,2019
  • Published:
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