江苏省农业科学院粮食作物研究所/农业部种养结合重点实验室,江苏省农业科学院粮食作物研究所/农业部种养结合重点实验室,江苏省农业科学院粮食作物研究所/农业部种养结合重点实验室,江苏省农业科学院粮食作物研究所/农业部种养结合重点实验室,江苏省农业科学院粮食作物研究所/农业部种养结合重点实验室,江苏省农业科学院粮食作物研究所/农业部种养结合重点实验室
江苏省自然科学基金(BK20151362);江苏省农业科技自主创新基金(CX(15)1005);现代农业产业技术体系建设专项(编号:CARS-10-C3)
Institute of Food Crops/ Ministry of Agriculture Key Laboratory of planting and breeding combination,Jiangsu Academy of Agricultural Sciences,Institute of Food Crops/ Ministry of Agriculture Key Laboratory of planting and breeding combination,Jiangsu Academy of Agricultural Sciences,Institute of Food Crops/ Ministry of Agriculture Key Laboratory of planting and breeding combination,Jiangsu Academy of Agricultural Sciences,Institute of Food Crops/ Ministry of Agriculture Key Laboratory of planting and breeding combination,Jiangsu Academy of Agricultural Sciences,Institute of Food Crops/ Ministry of Agriculture Key Laboratory of planting and breeding combination,Jiangsu Academy of Agricultural Sciences,Institute of Food Crops/ Ministry of Agriculture Key Laboratory of planting and breeding combination,Jiangsu Academy of Agricultural Sciences
将200份甘薯材料同时种植在江苏省盐城市盐渍试验田和培肥地,通过比较这些材料在盐渍地和培肥地苗期成活率、单株结薯数、单株产量、商品薯率、薯块干物率等产量和品质指标,对这些甘薯材料进行全生育期的耐盐性综合鉴定。结果表明,在盐渍条件下,大部份甘薯材料的单株结薯数增加,而苗期成活率、单株产量、商品薯率和薯块干物率降低。相关性分析结果显示,甘薯的耐盐指数与苗期相对成活率和单株产量、单株结薯数、商品薯率的耐盐系数呈极显著正相关,而与薯块干物率呈显著负相关。根据耐盐指数的高低将参试材料的耐盐性进行分级,共筛选出19份耐盐性较强的甘薯材料, 为之后甘薯的耐盐机理研究和耐盐育种提供了材料基础。
Total 200 sweetpotato materials were planted both in the salt test field and fertile land in Yancheng City, Jiangsu Province. By comparing the yield and quality index in saline soil and fertile soil, such as seeding survival rate, storage roots numbers of single plant, yield of single plant, commodity potato rate and storage roots dry matter content, a comprehensive identification for salt-tolerance of these sweetpotato materials in entire growth period was carried out. The results showed that the storage roots numbers of single plant increased, but seeding survival rate, yield of single plant, commodity potato rate and storage roots dry matter content decreased. Correlation analysis showed that the salt-tolerance index of sweetpotato was significantly positively correlated with the relative seeding survival rate and the salt-tolerance coefficient of storage roots numbers of single plant, yield of single plant and commodity potato rate, but negatively correlated with the salt-tolerance coefficient of storage roots dry matter content. The tested materials were graded and 19 Salt-tolerant sweetpotato materials were screened out, according to the salt-tolerance index. It provides the material basis for the study of salt-tolerance mechanism and salt-tolerance breeding of sweetpotato.
马佩勇,边小峰,郭小丁,等.甘薯全生育期耐盐种质筛选与耐盐性评价[J].植物遗传资源学报,2018,19(3):546-553.
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