华北农学报2011，Vol.26Issue(2)：213-217,5.
山西小麦地方品种萌发期的抗旱性
Drought Resistance of Shanxi Wheat Landraces at Sprouting Stage
摘要
Abstract
20％ PEG-6000 was used to induce water stress in laboratory,the germinating potential, germination rate,coleoptile and root lengths were measured. Then drought resistance of Shanxi wheat landraces at sprouting stage were analyzed by fuzzy subordinate function analysis combined drought resistance coefficient. Finally, the relationship between each morphological index and drought resistance was established using grey correlative degree analysis. The results indicated that the germinating potential,germination rate,coleoptile and root length of each landrace were decreased or shortened than those of the control under drought stress, and difference among wheat landraces were significant or remarkably significant,and that drought resistance at spouting stage in different landraces were Baiheshangtou ＞ Jinmai47 ＞ Zhuganqing ＞ Siyuehuang ＞ Xiaohongmai ＞ Denglonghong ＞ Hongpidongmai ＞ Xinxiandongmai ＞Zhongmai 9. Baiheshangtou was highly resistant to drought at sprouting stage and would be used as a good germsplasm in wheat breeding, and that degree of correlation between 4 morphological indexes and drought resistance was germination rate ＞ root length ＞ coleoptile length ＞ germinating potential,hence germinating rate could be a useful morphological index of drought resistance.关键词
小麦地方品种/萌发期/抗旱性/渗透胁迫Key words
Wheat landrace/ Sprouting stage/ Drought resistance/ Osmotic stress分类
农业科技引用本文复制引用
贾寿山,朱俊刚,王曙光,史雨刚,孙黛珍..山西小麦地方品种萌发期的抗旱性[J].华北农学报,2011,26(2):213-217,5.基金项目
山西省科技攻关项目(20100311001-6) （20100311001-6）
CGIAR挑战计划项目(GCP)(G7010.02.01-7) （GCP）
山西省回国留学人员科技活动择优资助项目(200856) （200856）
