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玉米杂交种苗期耐盐碱筛选与大田鉴定的比较分析
引用本文:张春宵,袁英,刘文国,李文华,王丹,李万军,李晓辉.玉米杂交种苗期耐盐碱筛选与大田鉴定的比较分析[J].玉米科学,2010,18(5):14-18.
作者姓名:张春宵  袁英  刘文国  李文华  王丹  李万军  李晓辉
作者单位:1. 吉林省农业科学院生物技术研究中心,长春,130033;东北农业大学农学院,哈尔滨,150030
2. 吉林省农业科学院生物技术研究中心,长春,130033
3. 吉林省农业科学院玉米研究所,吉林,公主岭,136100
4. 黑龙江省农委,哈尔滨,150001
5. 吉林省农业科学院洮南综合试验站,吉林,洮南,137100
基金项目:农业部转基因重大专项“抗逆转基因玉米新品种培育”(2009ZX08003-018B)、吉林省农业科学院博士后基金
摘    要:基于所确定的玉米苗期耐盐碱筛选最宜浓度和适宜的生理生化指标,对14个吉林省主推玉米杂交种进行苗期盐碱耐性分析和大田鉴定。结果表明:大田鉴定结果与苗期耐盐碱能力综合评价分级基本吻合;苗期盐碱耐性弱的杂交种其大田减产明显,其减产率最高为44.12%,最低为17.39%,证明鉴定方法与评价指标科学有效,并可以初步筛选剔除一些苗期胁迫表现弱的材料;对于苗期胁迫耐盐碱能力综合评价表现较强的杂交种,其大田减产率变化幅度不大,变化范围在9.33%~11.76%,具体品种是否适宜盐碱地种植需经进一步的大田鉴定。

关 键 词:玉米  杂交种  盐碱胁迫  大田鉴定
收稿时间:2010/1/21 0:00:00

Comparative Analysis Between Salt-alkali Tolerance in Seedling Stage and Production in the Field of Maize Hybrid
ZHANG Chun-xiao,LIU Wen-guo,LI Wen-hu,LI Wan-jun,LI Xiao-hui,et al..Comparative Analysis Between Salt-alkali Tolerance in Seedling Stage and Production in the Field of Maize Hybrid[J].Journal of Maize Sciences,2010,18(5):14-18.
Authors:ZHANG Chun-xiao  LIU Wen-guo  LI Wen-hu  LI Wan-jun  LI Xiao-hui  
Abstract:The appropriate concentration and physiological and biochemical indices for salt-alkali tolerance screening in maize seedling were established. Based on those, both salt-alkali tolerance analysis in seedling and production measurement in field were carried out for fourteen maize hybrids, which were used predominantly in Jilin province. The main results were summarized that the rank of reduction percentage in field coincided with the salt-alkali tolerance grading in seedling. Production reduction for hybrids having weak salt-alkali tolerance in seedling was very obvious. The highest and lowest reduction percentage among hybrids reached 44.12% and 17.39%, respectively. Based on those results, the validity of the established screening system was verified and some hybrids having worse tolerance in seedling were abandoned. The variation range of reduction percentage between those hybrids had better resistance were not very obvious, which was 9.33% - 11.76%. Thus, which could be better adopted for the salt-alkali soil need further test in field.
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