| Drought resistance of transgenic wheat with W16 gene duringheading stage |
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| DOI：10.7606/j.issn.1000-7601.2012.06.01 |
| Key Words: wheat W16 gene water stress drought-resistance |
| Author Name | Affiliation | | WANG Gang | College of Agronomy, Northues A&F University,
Yangling, Shaanxi 712100, China | | LIU Shudong | College of Agronomy, Northues A&F University,
Yangling, Shaanxi 712100, China | | MIN Donghong | College of Agronomy, Northues A&F University,
Yangling, Shaanxi 712100, China | | WANG Zhulin | College of Agronomy, Northues A&F University,
Yangling, Shaanxi 712100, China | | YANG Xingsheng | College of Agronomy, Northues A&F University,
Yangling, Shaanxi 712100, China | | LI Hua | College of Agronomy, Northues A&F University,
Yangling, Shaanxi 712100, China | | XU Zhaoshi | lnstitue of Crop Sciences, Chinese Academy of Agricultural Sciences/ National Key Facility for Crop Gene Resources and Genetic Improvement/ Key Laboralory of Crop Genetics ard Breeding, Ministry of Agrieulture, Beijing 100081, China | | CHEN Ming | lnstitue of Crop Sciences, Chinese Academy of Agricultural Sciences/ National Key Facility for Crop Gene Resources and Genetic Improvement/ Key Laboralory of Crop Genetics ard Breeding, Ministry of Agrieulture, Beijing 100081, China | | Ll Liancheng | lnstitue of Crop Sciences, Chinese Academy of Agricultural Sciences/ National Key Facility for Crop Gene Resources and Genetic Improvement/ Key Laboralory of Crop Genetics ard Breeding, Ministry of Agrieulture, Beijing 100081, China | | MA Youzhi | lnstitue of Crop Sciences, Chinese Academy of Agricultural Sciences/ National Key Facility for Crop Gene Resources and Genetic Improvement/ Key Laboralory of Crop Genetics ard Breeding, Ministry of Agrieulture, Beijing 100081, China |
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| Abstract: |
| Using two transgenic wheat strains with W16 gene and corresponding recurrent parent as materials. Field experiments were conducted under different water stress to compare
drought-resistance of different varieties by studying the effect of physiological and biochemical indexes on drought resistance of transgenie wheat during heading stage, and com-bined with the method of analysis of variance of genetically modified strain drought-resistance of the comprehensive evalu-ation. The results showed that:genetically modified strain and control and receptor has obvious difference, with the in-crease of water stress, the relative water content, stomatal eonductance,
light and rate, chlomphyll content showed down-trend, and the transgenic wheat declined more slowly; MDA content, the intercellular CO2, plasma membrane permeabil-ity showed uptrend, but the corresponding contrast rose more
steeply. The proline content of transgenic wheat was signifi-
cantly higher than contrast varieties. The analysis of variance showed that transgenic whea strains G19-X51, G19-X61 had strong drought resistance. |
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