大葫芦也叫瓠瓜、瓠子 ,夜开花。果实呈椭圆形。嫩果可鲜食和旋条制干 ,近年来在冀东地区栽培面积逐年扩大。其主要栽培技术是 :一、育苗可直接播种也可育苗移栽。播前先将种子爆晒两天 ,然后用５０～６０℃的温水浸种３０分钟 ,并边浸边搅动 ,待自然冷却后再浸种２０小时 ,最 Big gourd is also called gourd, prickly heat, night flowering. The fruit is oval. Tender fruit can be fresh and spinach dry, in recent years in Jidong cultivation area expanded year by year. The main cultivation techniques are: First, seedlings can be sown directly transplanting seedlings. Seeds were sunbaked for two days before sowing, and then soaked with warm water 50 ~ 60 ℃ for 30 minutes, and edge while stirring, until the natural cooling and soaking 20 hours, the most