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1964年初,伦辛在肯尼亚的洛莫洛剑麻园(该园海拔1800米,年雨量800—1300毫米,年雨日70—120天)1957年麻田看到了几株格外高的剑麻,生长习性与普通剑麻不同,这些植株比普通剑麻高得多,叶片也多得多,但较短。伦辛把这些植株的学名定为Agave sisalanaPerr.ex Engel m.cv.Hildana。以后经过试验观测,伦辛又从这个变种植株中区分A和B两个类型,并认为B变种具有不易开花、纤维产量高等优点,可建议为新的栽培品
At the beginning of 1964, Laren was in Somme Garden, Lomollo, Kenya (1,800 meters above sea level with annual rainfall of 800-1300 millimeters and 70-120 days of annual rainfall). In 1957, Azalea saw several exceptionally high sisal, growing Habits Unlike regular sisal, these plants are much taller than regular sisal, have much more leaves, and are shorter. Rancen names these plants Agave sisalanaPerr.ex Engel m.cv.Hildana. After the test after the observation, Rensing from this variant plants and A and B are two types of distinction, and that the B variant is not easy flowering, fiber yield advantages, it can be proposed as a new culture