|
|
|
| Identification of seawater-tolerance spinach cultivar and selection of its form index |
| LI Zhi-hai1,2, SUN Jin1,3, LI Juan1,GUO Shi-rong1 |
| 1.College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China;2.Xishuangbanna Vocational and Technical Institute, Xishuangbanna 666100,Yunnan, China;3.Vegetable Institute,Gansu Agriclture Academy of Sciences, Lanzhou 730070,Gansu, China |
|
|
|
|
Abstract Exposed to 8 concentrations of seawater, 14 cultivars of spinach were investigated in solution culture in order to identify seawater-tolerant cultivar and select appropriate identification index. The results showed that the cultivar of ‘Helan No.3’ was tolerance, ‘Faliancao168 qianglibocai’has middle tolerance and the other cultivars were sensitive to seawater.The appropriate identifying concentration was 40%, and the relative value of dry weight, fresh weight, leaf area, survival leaf number were credible indexes for identification, but salt injury index may be also used as an identification index in range of certain concentration. However, relative water-content of leaf and root/shoot were improper indexes for identifying spinach seawater-tolerance.
|
|
Received: 12 December 2008
|
|
|
|
|
|
|
|
|
