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美国大南瓜近年才引进我国。我站是从开化县农科所引进的。美国大南瓜具有根深叶茂和早熟、高产的特点。近年来,省内外150多个单位来我站引种,反映良好。现将其品种的特征特性、栽培技术和利用情况介绍如下: 一、特征特性 (一)植物学特征特性 美国大南瓜属葫芦科一年生的草本植物。蔓、叶均生刺毛,6～7叶时蔓叶簇生,10叶后藤叶生长速度加快。雌雄异花,雄花多于雌花,雌花在十节后着生。为便于授粉,栽培面积应适当集中连片。美国大南瓜的侧蔓均能结果,但以主蔓为主。果实生长快,一般单瓜日增重0.5公斤左右,最快日增重1.5～2.0公斤,50多天便可成熟。
In recent years, the United States big pumpkin was introduced into our country. My station is from the Kaihua County agricultural introduction. American pumpkin has deep roots and early maturing, high yield characteristics. In recent years, more than 150 units inside and outside the province have come to our station for introduction and have shown good results. Now the characteristics of its varieties, cultivation techniques and utilization of the situation are described below: First, the characteristics of (a) characteristics of botanical characteristics of the United States is a large pumpkin Cucurbitaceae annual herb. Mans, leaves are born bristles, 6 to 7 leaves when the vine clusters, 10 leaves after the vine leaves to speed up growth. Monoecious, male flowers more than female flowers, female flowers in ten after the students. To facilitate pollination, the cultivation area should be properly contiguous. The side of the United States large pumpkin can result, but the main vine-based. The fruit grows fast, the average daily gain of about 0.5 kg melon, the fastest daily gain of 1.5 to 2.0 kg, 50 days can be mature.