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首页> 外文期刊>Scientia horticulturae >The strong effect of pollen source and pollination time on fruit set and the yield of tissue culture-derived date palm (Phoenix dactylifera L.) trees cv. Barhee
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The strong effect of pollen source and pollination time on fruit set and the yield of tissue culture-derived date palm (Phoenix dactylifera L.) trees cv. Barhee

机译：花粉源和授粉时间对水果凝血源的强烈作用及组织培养衍生日棕榈（凤凰丁胺L.）树木CV的产量及产量。 宝贝

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Generally, abnormal fruit set mostly in the form of setting parthenocarpic triple fruitlets is one of the most economically important disorders, which appears in trees of numerous TC (tissue culture)-derived date cultivars including cv. 'Barhee'. To "improve normal fruit set, fruit yield and fruit quality of such Barhee trees, effect of five pollen sources (three endogenous sources; 'Beraim', `Shahanr and 'Zahidi' and two internationally recognized varieties; 'Fard No. 4' and 'Jarvis No. 1') at two pollination. times (day of natural spathe cracking (DNC)1 and two days later (DNC + 2)(2)) was investigated on young TC-derived 'Barhee' trees. The study was conducted as split plot in a randomized complete block design (RCBD), replicated three times, in hot, arid region of the southwest of Iran during the year 2013. The results indicated that the 'Zahidi' pollen had caused the highest percentage of normal fruit set (avg. 50.1%) and bunch yield (3.55 kg) significantly (P <= 0.05) superior than the other pollen sources, followed by Jarvis No. 1 (36.6%). The pollination with 'Beraim' pollen produced the lowest percentage of normal fruits (21.3%). The pollination at DNC was significantly (P <= 0.05) higher in normal fruit set and bunch yield. The pollination with 'Zahidi' pollen at DNC brought the highest percentage of normal fruit set (57.5%) and maximum bunch yield (4.59 kg) with acceptable fruit weight and size. Both mentioned factors and the interactive effect significantly (P <=. 0.05) influenced bunch ripeness. The pollen of 'Jarvis No. 1' at DNC yielded the highest percentage of bunch ripeness (96.91%). This pollen which had the second best normal fruit set and bunch yield was superior in showing off key metaxeic effects i.e. fruit volume, fruit weight, and pulp to seed ratio (w/w). The pollination at DNC significantly (P <= 0.05) led to higher fruit length, diameter, volume and weight. Ultimately, we concluded `Zahidi' pollen as the best choice for increasing normal fruit set and economical yield, 'Jarvis No. 1' pollen as the most suitable pollen source to benefit metaxenic effects and DNC as the best time for pollination of the TC-derived Barhee trees exhibiting abnormal fruit set and poor yield.
机译：通常，通常以设定的占度的三重水果的形式设定的异常果实是最经济上的重要疾病之一，它出现在众多TC（组织培养）的树木中，相当于包括CV的日期品种。 'barhee'。 “改善正常水果套装，水果产量和水果质量等巴希树，五花粉来源的影响（三个内源性来源;”Beraim“，”Shahanr和'Zahidi'和两个国际公认品种;'垃圾诗人第4号）和在两次授粉的“贾维斯第1号”）。在年轻的TC衍生的'Barhe'树上研究了次数（天然刮痕裂解（DNC）1和两天后（DNC + 2）（2））。该研究是在2013年期间在随机完整块设计（RCBD）中的分裂块进行了三次，以伊朗西南部的热点，在伊朗西南部的热处理。结果表明，“扎伊迪”花粉造成了最高的正常水果百分比设定（AVG。50.1％）和束产率（3.55千克）明显（P <= 0.05）优于其他花粉源，其次是贾维斯第1号（36.6％）。与“Beraim”花粉的授粉产生了最低的百分比正常水果套装和束在普通果实（21.3％）。普遍果实和束的授粉显着（p <= 0.05）屈服。 DNC的“Zahidi”花粉授粉带来了最高百分比的正常水果套（57.5％）和最大束产率（4.59千克），果实重量和尺寸可接受。两个提到的因素和交互效果显着（P <= 0.05）影响了束成熟度。 DNC的“Jarvis No.1”的花粉产生了束成熟度的最高百分比（96.91％）。该花粉具有第二个最佳正常水果套和束产率在揭示术语中的关键间质效应中优异，果实体积，果实重量和纸浆到种子比（w / w）。 DNC的授粉显着（P <= 0.05）导致果实长度，直径，体积和重量更高。最终，我们总结了“扎希德”花粉作为增加正常水果集和经济产量的最佳选择，“贾维斯第1号”花粉作为最合适的花粉源，使群体效应和DNC作为授粉的最佳时间 - TC-衍生的Barhee树表现出异常的水果套和差的产量。

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