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１９９２～１９９３年对川东北及川西南２３个县（市）的作物种质资源进行考察，搜集到蚕豆种质资源１２５份。鉴定结果表明，单株荚数、百粒重和单株产量的变异系数大（２９．１％～３２．６％），均具有较大的选择潜力。筛选出２份大粒种质和６份具有较高产量潜力的种质，可作为育种亲本利用
From 1992 to 1993, the crop germplasm resources of 23 counties (cities) in northeastern Sichuan and southwestern Sichuan were investigated, and 125 germplasm resources of broad bean were collected. The identification results showed that the coefficient of variation of pods per plant, 100-grain weight and per plant yield was large (29.1% -32.6%), all of which had great potential for selection. Two large germplasms and six germplasms with higher yield potential were screened and used as breeding parents