甘蓝型油菜温敏细胞核雄性不育系160S花药败育的形态学特征和细胞学研究

唐鑫, 李圆圆, 陆俊杏, 张涛

Morphological characteristics and cytological study of anther abortion of temperature-sensitive nuclear male sterile line 160S in Brassica napus

TANG Xin, LI Yuan-Yuan, LU Jun-Xing, ZHANG Tao

表1 160S-MF和160S-MS的花器性状比较

Table 1 Comparison of the flower traits between 160S-MF and 160S-MS (mm)

花器特征 Flower trait 育性类型Types of male sterility 160S-MF 160S-MS 花冠径Diameter of corolla 18.97±1.68 15.58±0.78** 花瓣长Length of petal 13.98±1.16 12.30±0.57** 花瓣宽Width of petal 7.48±0.78 5.88±0.37** 雌蕊长Length of pistil 9.24±1.13 9.80±0.72 四强雄蕊长Length of four stronger stamens 9.38±0.45 6.11±1.09** 二弱雄蕊长Length of two weaker stamens 6.99±0.81 4.89±1.20** 四强花药长Length of four stronger stamens’ anther 2.25±0.15 1.80±0.08** 花丝长Length of four long filaments 7.44±0.46 4.69±0.89** 花柄长Length of stalk 29.13±1.38 16.50±1.27** 萼片长Length of sepal 7.10±0.82 6.61±0.51