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矮生菜豆的采种可提前至绿熟期进行，并以软熟期采种效果最佳。提早采收具有增产效果，增产幅度为１．４～１４６．１％。增产幅度随着品种熟性的推迟而加大，早、中、晚熟品种３个处理株产平均比各自ＣＫ增１６．８％、１７．３％和１３９．９％。就同一品种而言，增产趋势为软熟＞坚熟＞绿熟＞老熟（ＣＫ）。提早采种可以减少裂籽，春季采种１４０９、８４－４１３个处理的裂籽率平均比ＣＫ低２．１～８％，秋季采种平均比ＣＫ低１．８３～２．２％。种子的百粒重和发芽率各处理间无明显差别。发芽势绿熟种、坚熟种和软熟种均比老熟种提早１２小时，达１００％。
The harvesting of dwarf lettuce beans can be carried out in advance to the green ripe stage, and the best harvesting effect in soft maturity stage. Early harvesting has the effect of increasing yield by 1.4 ~ 146.1%. The rate of yield increase increased with the delay of variety maturity. The average yield of three treatments of early maturity, middle maturity and late maturity were 16.8%, 17.3% and 139.9% higher than that of CK respectively. For the same variety, the yield-increasing trend was soft cooked> firm> green> mature (CK). Early seed-picking can reduce the number of cracked seeds. In spring, 1409 and 84-413 treatments have the average cracking rate of 2.1 ~ 8% lower than that of CK and 1.83 ~ 2.2% lower than that of CK in autumn. There was no significant difference between the seed weight and germination rate in each treatment. Germination Potential green variety, mature and soft cooked varieties are 12 hours earlier than the old varieties, up to 100%.