...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Acta Physiologiae Plantarum >Comparison of petal senescence in forced and unforced common lilac flowers during their postharvest life
【24h】

Comparison of petal senescence in forced and unforced common lilac flowers during their postharvest life

机译：普通丁香花采后寿命中花瓣衰老的比较

获取原文
获取原文并翻译 | 示例
   

获取外文期刊封面封底 >>

       
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Recently, the programmed cell death (PCD) is studied in the context of the postharvest longevity of cut flowers with the goal of slowing down the processes that ultimately lead to flower death, and to ensure a long display life of cut plant material.In this study, the phenomenon of PCD in petals of common lilac (Syringa vulgaris L.) was observed, aimed to compare degradation of petal cells in flowers blooming under natural conditions with those forced in November. For the early lilac forcing, a deepdormancy has to be broken by high temperatures 35–37 °C negatively affecting postharvest life of cut branches. The trials included as well the observation of the effect of two flower preservatives on the PCD in order to see if the prolongation of thelilac vase life was associated with a delay in the onset of the PCD symptoms. The vase life of cut lilacs was significantly increased by both preservatives. The first symptoms of PCD were evident in the flower bud stage. In petals from forced shrubs, thefirst symptoms of cell degradation were much more advanced than in lilacs blooming naturally in May. In forced flowers held in the preservatives, the degradative changes in cells occurred later than in those kept in water, but they were accelerated relative to a flower developmental stage.
机译：最近，在切花采后寿命的背景下研究了程序性细胞死亡（PCD），目的是减慢最终导致花死亡的过程，并确保切花植物材料的长寿命。这项研究发现了普通丁香（Syringa vulgaris L.）花瓣中PCD的现象，旨在比较自然条件下盛开的花朵与11月强迫开花的花瓣中的花瓣细胞的降解情况。对于早期的丁香强迫，必须通过35-37°C的高温打破深度休眠，从而对切枝的采后寿命产生负面影响。该试验还包括观察两种花卉防腐剂对PCD的作用，以观察丁香花瓶寿命的延长是否与PCD症状发作的延迟有关。两种防腐剂均可显着延长切丁香花的花瓶寿命。 PCD的最初症状在花蕾期很明显。在强迫灌木的花瓣中，细胞降解的第一个症状要比5月自然开花的丁香花更严重。在保存于防腐剂中的强迫花中，细胞的降解变化发生在比保持在水中的细胞更晚的变化中，但相对于花的发育阶段而言，它们的降解加速。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号