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小葵子[Guiztia abyssica(Vnnft)cass]系菊科向日葵属,一年生草本植物,形似菊芋,株高1.2—2米,分枝力强,原产热带非洲,为埃塞俄比亚等国主要食用油料作物,种子形似向日葵而小,色黑有光泽,含油39～40%,工艺出油率31～35%,脂肪酸中以亚油酸为主,含量占76～78%,我国于一九七二年引进,现已遍及云南、四川、湖北等二十六省、市。我区于一九七八年自湖北引进试种作短期绿肥饲料,表现良好,生长快,鲜草产量高,适于大小春茬口间增种一季。一九八○年夏播一百二十多亩,秋季增种达三千余亩。据三年来试种,小葵子的主要优点是:
Guiztia abyssica (Vnnft) cass] Department of Asteraceae sunflower, annual herb, shaped like Jerusalem artichoke, plant height of 1.2-2 meters, branching power, native tropical Africa, Ethiopia and other countries is the main edible oil crops, Seeds resemble sunflowers and small, black and shiny, oil 39 to 40%, the process of oil yield of 31 to 35%, linoleic acid-based fatty acids, content of 76 to 78%, introduced in China in 1972 , Now throughout Yunnan, Sichuan, Hubei and other 26 provinces and cities. My area in 1978 from Hubei introduced as a test of short-term green manure feed, good performance, fast growth, fresh grass yield, suitable for the size of the spring crop between the additional season. One hundred and twenty acres of summer sowing in the summer of 180, an increase of more than 3000 acres in autumn. According to three years of trial, the main advantages of a small sunflower is: