去年我县部分地区推广川油九号、秀油一号、矮架早、黔油23等甘兰型油菜良种,苗期生长很好,但抽苔后出现植株矮缩和开花不结实等反常现象,对油菜籽产量影响很大。宋埠公社宋埠大队街上生产队栽秀油一号、矮架早、川油九号12亩,苗期长得盘大苗粗,一片青绿,开始抽苔时出现矮缩株,后蔓延扩大到整丘、整片,大部分植株主花轴矮缩,开花后不结荚,或荚果内种籽不发育,结果全队油菜籽只收到五百余斤,亩产 Last year, in some areas of our county, we promoted the good varieties of Brassica napus, such as Chuanyou 9, Xiuyou 1, Xiajianzao and Qiaoyou 23, and grew well at seedling stage. However, there were abnormalities such as plant dwarfing and poor flowering after bolting. Phenomenon, a significant impact on rapeseed production. Song Bu Port Song Brigade brigade production team on the street planting oil on the 1st, short frame as early as Sichuan oil on the 9th 12 acres, seedlings grow plate big seedlings rough, a green, dwarf strain began to appear when the bolting spread after the expansion To the entire hill, the whole piece, most of the plants dwarfed flower axis, pod after flowering, or seed pod undeveloped, the results of the team rapeseed only received 500 jin, mu