论文部分内容阅读
将茎瘤芥“棒棒菜”（Ｂｒａｓｓｉｃａｊｕｎｃｅａｖａｒ．ｔｕｍｉｄａｃｖ″Ｂａｎｇｂａｎｇｃａｉ″）下胚轴离休培养的再生芽，用１２０～４０Ｇｙγ射线照射后，在原培养基（ＭＳ＋ＮＡＡ０．２ｍｇ／ｌ＋ＢＡ２．０ｍｇ／ｌ）上培养１周，转到加Ｓ－（２－氨乙基）－Ｌ－半胱氨酸（ＡＥＣ）的原培养基中，经过连续７代选择，获得了抗ＡＥＣ的变异体植株。其蛋氨酸和精氨酸含量分别为对照的１．８４倍和３倍，赖氨酸比对照略有增加，总氨基酸含量为对照的１．４５倍。
The regenerated shoots from the hypocotyls of the hypocotyls of Brassica junceavar. Tumidacv “Bangbangcai” were irradiated with 120 ~ 40 Gy γ-rays and then cultured in the original medium (MS + NAA 0.2 mg / l and BA 2.0 mg / l) 1 week, and then transferred to the original culture medium supplemented with S- (2-aminoethyl) -L-cysteine (AEC). After 7 generations of selection, variant plants resistant to AEC were obtained. The contents of methionine and arginine were 1.84 and 3 times higher than that of the control respectively. The lysine slightly increased than the control, and the total amino acid content was 1.45 times of that of the control.