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(一)砧木和接穗的育苗 1.砧木是选择同接穗黄瓜共生亲和性良好的云南黑籽南瓜。将精选过的种子,先用25℃左右的温水搓种,洗去表皮黏质;倒入55～75℃的水中浸种,促进种子后熟,杀死种皮表面病菌;搅拌20分钟左右,使水温降到35℃左右,浸泡12小时后捞出,晾干种皮。然后用干净的湿毛巾或麻皮片,下垫上盖,置于28～32℃处催芽,一般24～36小时出芽。等芽长到0.5厘米后,可播种育苗。
(A) rootstock and scion nursery 1. Rootstock is the choice of the symbiotic relationship with the scion cucumber Yunnan black seed pumpkin good. The selected seeds, first with about 25 ℃ warm water rub species, wash away epidermis mucilage; poured into 55 ~ 75 ℃ water soaking, and promote seed ripening, seed germ surface to kill bacteria; stirring for about 20 minutes, The water temperature dropped to about 35 ℃, soak 12 hours after soaking, drying the seed coat. Then with a clean wet towel or bark piece, under the cover, placed at 28 ~ 32 ℃ Department germination, usually 24 to 36 hours budding. When the bud grows to 0.5 centimeter, seedling can be planted.