| Effect of the strain of Trichoderma longibrachiatum T6 on wheat salinity tolerance |
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| DOI：10.7606/j.issn.1000-7601.2016.04.15 |
| Key Words: Trichoderma spp. salt stress salt tolerance wheat plant growth promotion under salt stress |
| Author Name | Affiliation | | ZHANG Shu-wu | College of Plant Protection, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | XU Bing-liang | College of Plant Protection, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | LIU Jia | College of Plant Protection, Gansu Agricultural University, Lanzhou, Gansu 730070, China | | LI Ping | College of Plant Protection, Gansu Agricultural University, Lanzhou, Gansu 730070, China |
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| Abstract: |
| This research aimed to determine the effect of Trichoderma longibrachiatum T6 on wheat salinity tolerance. The salinity tolerance of T. longibrachiatum T6 and its effect on wheat salinity tolerance were determined and simulated by different concentrations of NaCl solutions. Results showed that NaCl solutions had significant effect on growth of T. longibrachiatum T6 under the concentrations ranging from 30 to 50 mg·mL-1, with the effect increasing as NaCl concentration increased. But as the incubation time prolonged, the effect decreased gradually. However, compared with control, there existed no significant effect with NaCl concentrations of between 10 and 20 mg·mL-1. In addition, the strain of T. longibrachiatum T6 had significant promoting effect on wheat seed germination rates, germination potential, germination index, plumule and radicle length by NaCl treatments, increased by 3％～15%, 6％～14%, 4％～16%, 9％～34% and 9％～31%, respectively. Therefore, T. longibrachiatum T6 has a stronger salinity tolerance and promoting effect on plant growth under salt stress. |
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