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首页> 外文会议>Proceedings of the international conference on germplasm of ornamentals >Study on the Anatomical Characteristics of Pistil Abortion of David Group of Ornamental Peach
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Study on the Anatomical Characteristics of Pistil Abortion of David Group of Ornamental Peach

机译：观赏桃大卫群雌蕊堕胎的解剖学特征研究

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摘要

Flower bud differentiation on three cultivars of David group of ornamental peach (Prunus persica × Prunus davidiana), which are the pistil abortion cultivar 'Baihua Shanbitao', and two low-yield cnltivars 'Pinxia' and 'Pinhong', were studied by the paraffin method.The high fruit yield cultivar 'Jiangtao' was the control.The results showed that pistils of the three studied cultivars developed normally at the initial stage of flower bud differentiation, however, compared with the control cultivar, different types of pistil abortion occurred at the stage of sex cell differentiation, including a thin and deformed style, the stigmatic surface was depauperate and ovule primordial hypoevolutism.It was concluded that the pistil abortion period of'Baihua Shanbitao', 'Pinxia', and 'Pinhong' started at the sex cell differentiation stage after the formation of the ovary.'Pinxia' and 'Pinhong' are the F1 progeny of 'Baihua Shanbitao' as their pollen parent, and both inherited the characteristics of pistil abortion from their male parent.
机译：利用石蜡研究了三个雌花败育品种“百花山比帽”和两个低产量品种“ Pinxia”和“ Pinhong”的三个观赏桃（Prunus persica×Prunus davidiana）David组的花芽分化。结果表明，三个被研究品种的雌蕊在花芽分化的初始阶段发育正常，但是与对照相比，在不同时期雌蕊发生了不同类型的雌蕊流产。性细胞分化的阶段，包括薄而变形的样式，柱头表面腐烂和胚珠原始发育不全。结论是“白花山hua”，“碧霞”和“品红”的雌蕊流产期始于性生活。子房形成后的细胞分化阶段。“ Pinxia”和“ Pinhong”是“ Baihua Shanbitao”的花粉亲本的F1子代，都继承了“ Pinxia”和“ Pinhong”的特征。从他们的男性父母处进行雌蕊人工流产。

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