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以圆果种ＲＲ－５（ＣｏｒｃｈｏｒｕｓｃａｐｓｕｌａｒｉｓＬ．）作母本，长果种（ＢＬ／７７－１９）Ｆ－１（Ｃ．ｏｌｉｔｏｒｉｕｓＬ．）作父本的种间杂种Ｆ＿４的６种类型为材料，作了产量、纤维品质和抗病性测定。结果表明，不同类型的表现不同。其中３种类型的麻皮产量、株高显著超过双亲；２种类型具有高度抗病性；以及全部类型的纤维强度都超过双亲。作者认为，通过圆果种／长果种的种间杂交能够获得高产、优质及高抗的材料，特别在纤维强度方面可能取得突破。
Six types of interspecific hybrid F_4 were obtained from Corchoruscapsularis L. as female parent and C. olitorius L. as female parent and BL / 77-19 F-1 Yield, fiber quality and disease resistance were measured. The results show that different types of performance are different. Three of these types of hemp produce significantly higher plant height than both parents; two are highly disease resistant; and all types of fiber exceed both parents. The authors believe that high yield, good quality and high resistance materials can be obtained through interspecific cross between round fruit / long fruit, especially in terms of fiber strength.