1961—1962年我们进行了蚕豆开花习性与结莢的观察,选用当地农家品种“二白葫豆”(中粒种),分26/Ⅸ,6/Ⅹ,16/Ⅹ及26/Ⅹ四期播种,各期固定六株挂牌编号记载。在四川条件下,蚕豆按正常播种期范围播种,开花期可从11月上旬延至翌年2月下旬,达三个月以上。这个时间的长短在同一植株内主茎和各分枝表现不同。观察指出:开 From 1961 to 1962, we observed the flowering habits and pods of broad bean, using the local peasant variety “Two white gourd beans” (medium seed), divided into four stages of 26 / IX, 6 / X, 16 / X and 26 / X Sowing, the fixed six listed number record. Under the conditions of Sichuan, broad beans were planted at the normal sowing date. The flowering period can be extended from early November to late February of the following year for more than three months. The length of this time in the same plant main stem and branches show different performance. Observation pointed out: open