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蚕豆落花落荚十分严重，成荚率低，严重地制约蚕豆产量的提高。为了解决花荚脱落，利用国际干旱地区农业研究中心（ＩＣＡＲＤＡ）提供的花梗内具有独立维管束供应的蚕豆种质资源为亲本，通过杂交育种，对浙江省的蚕豆地方品种加以改良，经过７年的研究，于１９９３年选育成花梗内具有独立维管束供应的蚕豆新品系２个，表现荚多、粒多、粒重、单株产量高，明显优于浙江省地方品种。
Vicia fabaceae is very serious, pod rate is low, severely restricted the yield of broad bean. In order to solve the problem of flower pods shedding, we used the broad bean germplasm resources with independent vascular bundles in peduncle provided by International Center for Agricultural Research in the Arid Regions (ICARDA) as the parent and improved the local varieties of broad bean in Zhejiang Province through hybrid breeding. After seven years In 1993, two new broad bean lines with independent vascular bundles were selected for breeding in pedicel. The results showed that there were two new broad bean lines with more pods, more grains, more grain weight and higher yield per plant than that of Zhejiang province.