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结球生菜小株采种技术山东省淄博市农科所（２５５０３３）郑淑华李炳华史清萍结球生菜小株采种是在苗期经赤霉素处理，植株不经结球直接抽薹开花结籽，生产种的繁殖宜用此法。与母株采种相比，种子可提前５ｄ～７ｄ成熟，且稳产高产。１播种期和定植期的确定结球生菜属高...
Seedling planting of small-sized lettuce plants in Shandong Province (255033) ZHENG Shu-hua LI Bing-hua SHI Qing-ping Seed-bearing small-stem lettuce seedlings were treated with gibberellic acid at seedling stage. Breeding should use this method. Compared with the mother plant seed, the seeds can mature 5d ~ 7d ahead of schedule, and stable and high yield. 1 sowing date and colonization of the determination of the roj ...