搜索结果: 1-2 共查到“作物生理学 Brassica napus”相关记录2条 . 查询时间(0.078 秒)
连续自交对甘蓝型油菜(Brassica napus L.)胚胎发育的影响
胚胎发育
2007/11/13
以自由授粉群体和品系间杂种为对照,研究了甘蓝型油菜连续自交后代在胚胎发育上表现的效应。自交后代的胚和胚乳发育在授粉5天以后开始落后于杂交组,致使自花授粉的成熟种子较小,且含油率降低。与自由授粉相比,自交组花粉管生长较慢,受精较晚,胚乳游离核数较少,原胚生长缓慢。自交后代中常发生单受精、合子或幼胚退化以及游离核胚乳解体等异常现象,同时在受精频率、游离核数和原胚细胞数方面的变异系数,都较自由授粉组为大...
A Simple Procedure for Mesophyll Protoplast Culture and Plant Regeneration in Brassica oleracea L. and Brassica napus L
Brassica napus L Brassica oleracea L organogenesis protoplast culture regeneration
2014/3/13
An improved protocol for Brassica protoplast culture and plant regeneration was developed. Isolated
protoplasts from four-weeks-old in vitro shoot tip culture of Brassica oleracea var. botrytis cv...