中国农学通报2025，Vol.41Issue(36)：35-42,8.
大豆种子航天诱变一代(SP1)性状研究
Study on Traits of First Generation(SP1)Soybean Seed Induced by Space Mutagenesis
摘要
Abstract
This study investigates the effects of space mutagenesis on physiological indicators and antioxidant enzymes of different soybean varieties,providing foundational materials for soybean germplasm improvement and variety selection,and providing a foundation and reference for the deepening of soybean space mutagenesis breeding and the application of this technology in the genetic improvement of leguminous crops.Taking the four superior soybean seeds carried by the"Shijian-19"satellite as the research objects,after being subjected to space mutagenesistion mutation treatment and returned to the ground for SP1 generation ground cultivation,the soybean seeds that were not carried aboard served as the control group(CK).The growth traits,photosynthetic indicators,antioxidant enzymes,and soluble protein contents of these soybeans were measured and analyzed.The results showed that the germination rate of'Deshun 34'and'Dongchuang 19'was respectively increased by 13.2%and 17.6%compared with the CK,the germination potential of'Dongchuang 19'was 9.4%higher than that of the CK;the leaf length of'Deshun 14'was reduced by 8.9%compared with the CK,and the leaf width of'Dongnong 219'was 28.0%lower than that of the CK;the plant height of'Deshun 34'was 5.19%higher than that of the CK,and the plant width of'Deshun 34','Deshun 14'and'Dongchuang 19'was respectively reduced by 53.2%,54.7%and 56.3%,the internode length of'Dongchuang 19'was increased by 10.8%compared with the CK,and the branch number of'Dongnong 219'was 28.0%lower than that of the CK;the single plant pod number of'Dongnong 219'was increased by 7.7%compared with the CK.The net photosynthetic rate of'Deshun 14'was increased by 17.3%compared with the CK.The POD activity of'Deshun 34'and'Deshun 14'was both increased compared with the CK;the MDA content of'Deshun 14'was highly significantly higher than that of the CK;the soluble protein content of'Dongchuang 19'was highly significantly increased compared with the CK.In conclusion,the traits of the soybean plants after space mutagenesis showed varying degrees of variation.Among them,the effect on the plant width of soybeans was the most significant,and the photosynthetic indicators of soybeans improved to a certain extent;the changes in POD activity,MDA and soluble protein content were relatively large,while the change in SOD was the smallest,and the variation was different among different varieties.关键词
大豆/航天诱变/品种/生长性状/SOD/POD/MDA/可溶性蛋白Key words
soybean/space mutagenesis/variety/growth trait/SOD/POD/MDA/soluble protein分类
农业科技引用本文复制引用
方毅,朱宝庆,王童欣,李福雪,冯建行,杨思怡,于旭东..大豆种子航天诱变一代(SP1)性状研究[J].中国农学通报,2025,41(36):35-42,8.基金项目
讷河市提升大豆科技支撑能力项目(HD-KYH-2023338). （HD-KYH-2023338）
