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首页> 外文期刊>Revista Brasileira de Fruticultura >Estádio da meiose do micrósporo como marcador do final da endodormência em pessegueiro
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Estádio da meiose do micrósporo como marcador do final da endodormência em pessegueiro

机译：MicroSeporo Meiosis体育场作为桃子中的终点禀赋标记

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摘要

The objective of this work was to test the value of the meiosis method as biological marker for peach endodormancy end in sub-tropical regions. The number of GDHoC (Growing Degree Hour Celsius) and the chilling hours (temperature ￡ 7,2 oC) from May 1st until the end of meiotic division (80 % of tetrads), and from this phase until 10 and 50 % of budbreak, in field trees, were determined. The correlation between tetrads + pollen versus GDHoC, and tetrads + pollen versus number of chilling hours, were determined in different dates from May 1st to the end of meiosis. The results, obtained in two years of observation, showed a heat requirement for pollen mother cells to reach the tetrads stage. Therefore, the tetrads formation was not a good index for estimating the end of endodormancy phase in peach.
机译：这项工作的目的是测试减数分裂法作为副热带地区桃子巩膜末端的生物学标志物的价值。从5月1日到5月1日直到减数分裂划分（四分之一的四分之一）结束，以及来自这一阶段的10％和50％的Budbreak，GDHOC（温度为7,2℃）的数量，在田间树上确定。四点+花粉与GDHOC之间的相关性，以及四分之一的味道与次数的冷却时间，从5月1日到大学的结束时确定。在两年的观察中获得的结果表明花粉母细胞到达四级阶段的热需求。因此，Tetrads形成不是估计桃中肺结核阶段结束的良好指标。

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