青刀豆属豆科刀豆属栽培亚种,嫩荚经炒食、淹渍、速冻后可供食用,其味鲜美,极富营养价值,因而成为当前蔬菜产区,发展出口创汇农业主要产品之一。在山东、河北等地广泛栽培,但目前在生产上皆存在产量低品质差等问题,严重制约着生产的发展。为了解决上述问题,笔者就此进行了详细的研究,结果表明:青刀豆落花落荚是引起产量低品质差的主要原因。现报告如下: Green beans genus Fabaceae genus, tender pods after the food, flooded stains, frozen for food, its delicious, highly nutritious, and thus become the current vegetable producing areas, the development of export earnings of major agricultural products one. In Shandong, Hebei and other places widely cultivated, but at present there are all problems in production such as low quality and poor quality, seriously restricting the development of production. In order to solve the above problems, the author conducted a detailed study on this, the results show that: green bean drop falling pod is the main reason causing low yield poor quality. The report is as follows: