The rate of the plantlets which shown symptoms is different in different generations and increased after temporary planting.
各代生根苗显症率不一致，假植后显症率提高；
In this research, tobacco development, content of chlorophyll and economical character were considered between nourishment-bag temporary planting seedling and float seedling.
通过大田试验研究比较了营养袋假植苗与一段式漂浮苗移栽后生长发育、叶绿体色素和经济性状的差异。
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