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为了寻找合适的油菜夏繁地,几年来,我们分别到四川茂汶县和浙江临安县上溪公社等地进行汕菜夏繁试验,供试材料约有1300多份,经过几年试验,初步摸索和掌握了昇地繁殖的一些规律,取得了良好的夏繁效果。现分述如下。一、夏繁地生态条件及油菜生育特点 (一) 四川茂汶与浙江上溪生态条件的比较茂汶县位于四川西北部,属九顶山山脉,北纬31.42度,东径103.53度,海拔1590.1公尺,无霜期120～150天。上溪公社位于
In order to find suitable rape Xia Fan, in recent years, we went to Maowen County, Sichuan Province and Zhejiang Shang’an County Commune and other places to carry out summer and summer trials of vegetables, test materials, about 1300, after several years of testing, preliminary Groping and mastering some of the laws of the breeding ground, and achieved good summer effect. Now is as follows. First, the ecological conditions in summer and rape reproductive characteristics (A) Sichuan Maweng and Zhejiang Shangxi ecological conditions Maowen County in Sichuan Province is located in the northwestern Jiudingshan Mountains, latitude 31.42 degrees, 103.53 degrees east longitude, elevation 1590.1 Meters, frost-free period of 120 to 150 days. Shangxi commune is located