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首页> 外文期刊>Acta Horticulturae >Xenic and metaxenic effect of Phoenix pusilla pollen on certain date palm cultivars.
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Xenic and metaxenic effect of Phoenix pusilla pollen on certain date palm cultivars.

机译：凤梨花粉对某些枣椰子品种的Xenic和后代作用。

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Pollinated female date palm flowers produce normal date fruits with a seed after fertilization. Un-pollinated flowers produce non-edible parthinocarpic fruits. Pollen from Phoenix pusilla which is closely related to the date palm fertilized the female date palm flowers of three date palm cultivars: 'Barhi', 'Majdool' and 'Sultana' which were experimented on. The female date palm trees were produced via tissue culture technology and maintained in the KISR date palm orchard, while plants of P. pusilla plants were raised from the seeds. The fruit characteristics of all the three cultivars pollinated by P. pusilla pollen were studied and compared with the fruits produced by the date palm pollen for three successive seasons from 2003-2005. The fruit characteristics such as fruit set, diameter, shape, color, maturity time, taste, flesh weight and yield per bunch were recorded. Seed morphology from the khalal, rutab and tamar stages of fruit maturation were recorded. The study showed that pollen of P. pusilla fertilizes the date palm flowers similar to the date palm pollen in all the three cultivars experimented. Fruit development was similar up to khalal stage in all the three cultivars studied. Significant variations in fruit and seed characteristics were noticed in the rutab and tamar stages. Fruit maturity was delayed when compared to the normal fruits and the fruits were seedless or with rudimentary seeds at maturity. Further studies of pollination with P. pusilla may lead to production of seedless dates and dwarf date palm hybrids.
机译：授粉的雌性枣椰子花受精后会产生带有种子的正常枣果。未授粉的花产生不可食用的单性结实果实。与大枣棕榈密切相关的凤凰的花粉使三个大枣棕榈品种的雌性大枣花受精：“ Barhi”，“ Majdool”和“ Sultana”。雌性枣椰树是通过组织培养技术生产的，并保存在KISR枣果园中，而iP则是植物。从种子中培育出紫苏植物。 P授粉的三个品种的果实特性。研究了紫苏花粉，并与2003-2005年连续三个季节的枣椰子花粉生产的果实进行了比较。记录水果特征，例如坐果，直径，形状，颜色，成熟时间，味道，果肉重量和每束产量。记录了果实成熟的哈拉尔，塔拉伯和添马舰种子的形态。研究表明，iP的花粉。 pusilla 在所有三个试验品种中都使枣椰子花与枣椰子花粉相似地受精。在所研究的所有三个品种中，直至清真阶段的果实发育都相似。在rutab和tamar阶段注意到了果实和种子特性的显着变化。与正常水果相比，水果的成熟期被延迟了，并且这些水果是无籽的，或者在成熟时带有原始种子。对 P授粉的进一步研究。紫苏可能导致无核枣和矮枣椰枣杂种的产生。

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