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为探讨Ca2 + 、CaM及成花物质在草莓花芽分化过程中的动态变化 ,以宝交早生为试材 ,研究其成花前后顶芽细胞内Ca2 + 密度和CaM含量的变化以及叶片中Ca2 + 和CaM含量的变化 ,分析了Ca2 + —CaM对草莓花芽分化的影响。结果表明 ,叶片中的Ca2 + 含量、CaM含量和芽体中CaM含量在花芽分化始期有一积累高峰 ,随成花的进行而降低 ,花序分化期再次积累成峰值。植株的可溶性糖、还原糖和淀粉含量在成花前均处于高水平 ,并随顶芽分化花芽大量消耗。植株的蛋白质在花序原始体出现时含量较高 ,随后缓慢降低。本文还对成花前后Ca2 + 、CaM和成花物质含量的动态、Ca2 + —CaM系统和草莓花芽分化之间的关系等问题进行了讨论。
In order to investigate the dynamic changes of Ca2 +, CaM and flower buds during flower bud differentiation in strawberry, the changes of Ca2 + density and CaM content in the top bud cells before and after flower bud formation and the Ca2 + And CaM content, the effect of Ca2 + -CaM on strawberry flower bud differentiation was analyzed. The results showed that Ca2 + content, CaM content and CaM content in buds had a cumulative peak at the beginning of flower bud differentiation, decreased with flowering progress, and again peaked at inflorescence differentiation. Plant soluble sugar, reducing sugar and starch content in the pre-flowering were at a high level, and flower buds spend a lot with the top bud differentiation. Plant proteins are present at higher levels of inflorescence protoplasts and then slowly decrease. The paper also discussed the relationship between the content of Ca2 +, CaM and floral contents, the relationship between Ca2 + -CaM system and strawberry flower bud differentiation before and after flowering.