不同大豆品种种子萌发期耐盐碱性鉴定.pdfVIP

28 2 Vo l28 No2 2009 4 SOYBEAN SCIENCE Apr. 2009 1, 2 1 1 那桂秋 , 寇 贺, 曹敏建 1 2 ( , 110161; , 110161) : /, 110 mm ol L- 1 NaCl() 37. 5 mm ol L- 1 Na CO () 2 3 100, , : 5, 21, 41, 22, 11; 7 , 16, 24, 37, 16 : ; ; ; / : S565. 101 : A : 2009) Salt and A lkalin e Tolerance Evaluation of D ifferen t Soyb ean Varieties at G erm ination Stage 1, 2 1 1 NA Guiqiu , KOU H e, CAO M injian 1 2 ( Co llege ofAgronomy, Shenyang Agr iculturalUniversity, Shenyang 110161, L iaoning; Institute of Scientific T echnical Inform ation ofL iaoning Acade my ofAgricultural Sciences, Shenyang 110161, L iaoning, China) A bstrac t: To screen soybean varieties tolerant to salt and alkaline, seeds of 100 soybean accessionsw ere treated w ith 110 mm ol L- 1 NaCl and 37. 5 mm ol L- 1 Na CO , then germ inating at( 25 1) ! in sand bed of illum ination incubator. The 2 3 th germ ination ratew as determ ined on the 7 day after treating, and using germ ination percentage to evaluate salt or alkaline injury index. Resu lts show ed that the salt and alkaline tolerance varied sign ificantly am ong varieties, and appeared to be co herent for sam e variety; only a sm all number of varietiesw ith h igh salt and alkaline tolerance; 5 varietiesw ith high salt toler ance, 21 varietiesw ith salt tolerance, 41 varietiesw ith m iddle salt tolera