太空搭载决明属牧草种子的生物学效应研究

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基金项目:

福建省科技厅重点项目(2005N029);国家科技基础条件平台重点项目(2005DKA21005)

Study on biological effects of Chamaecrista spp. after seeds spaceship-carried induction

1.
Institute of Agricultural Ecology, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian, 350013, China;
2.
Fujian Engineering and Technology Research Center for Hilly Prataculture, Fuzhou, Fujian 350013, China

摘要: 利用太空搭载的决明属牧草6个品种的种子,通过盆栽试验观测其搭载效应,试验结果表明,搭载后2204、2217的出苗率极显著提高,34721、92985的出苗率显著提高;86134植株冠高有显著减少、分枝数有显著增加,2204叶长有显著减少,2217叶宽有显著减少;34721生物量有显著减少、86134有极显著减少;6个品种生殖生长期都有不同程度的差异;86134的P和K含量有极显著提高。
- 太空搭载 /
- 决明属 /
- 牧草
Abstract: The seeds of six Chamaecrista spp.carried by spaceship and the effects on SP1 generation were studied.The results showed that the germination rates of 2204,2217,34721 and 92985 were increased;the plant height of 86134 was decreased and its branch number was increased,the leaf length of 2204 was decreased,the leaf width of 2217 was decreased;the biomasses of 34721 and 86134 were decreased;the durations of reproductive growth of six Chamaecrist varieties were changed significantly;and the contents of phosphorus and potassium of the cultivar of 86134 were increased.
- spaceship-carried /
- Chammaecrista /
- forage