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首页> 外文期刊>Scientia horticulturae >Gibberellic acid spray and bunch bagging increase bunch weight and improve fruit quality of 'Barhee' date palm cultivar under hot arid conditions.
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Gibberellic acid spray and bunch bagging increase bunch weight and improve fruit quality of 'Barhee' date palm cultivar under hot arid conditions.

机译：赤霉素喷雾和套袋增加了在炎热干旱条件下“ Barhee”枣椰子品种的串重并改善了其果实品质。

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摘要

Under hot arid conditions date palms are facing environmental stresses that limit tree productivity and negatively affect fruit quality characteristics especially weight and size. Gibberellic acid (GA3) spray at 50, 100 and 150 ppm increased bunch weight of "Barhee" date palm cultivar compared to the control. GA3 spray at 150 ppm gave higher bunch weight than the other applied rates. Bunch bagging increased bunch weight compared to the control but this was lower than the GA3 treatments. Bunch bagging and GA3 at 50 ppm synergistically increased bunch weight and vitamin C concentration. GA3 spray delayed fruit ripening, as reflected by lower rutab percentage and higher acidity, phenols and tannins concentration. Both GA3 spray and bunch bagging treatments increased fruit weight compared to the control. The flesh/seed ratio increased by GA3 spray and by bunch bagging with GA3 compared to the control. Fruit length significantly increased by GA3 spray at 100 and 150 ppm and by bunch bagging alone or with GA3 at 50 ppm compared to the control. GA3 spray and bunch bagging treatments increased total soluble solid (TSS) and acidity concentration compared to the control. Generally, bunch weight was higher and fruit quality was better in 2010 than 2011 season. It was concluded that both GA3 spray and bunch bagging have promotive effects on bunch and fruit weight and improve quality of "Barhee" dates under hot arid conditions
机译：在炎热干旱的条件下，枣椰子面临环境压力，这限制了树木的生产力，并对果实的品质特性（尤其是重量和大小）产生负面影响。与对照相比，以50、100和150 ppm喷洒赤霉素（GA3）可增加“ Barhee”枣椰树品种的束重。以150 ppm的GA3喷雾比其他施用量产生的束重更高。与对照相比，套袋增加了束重，但这低于GA3处理。装袋和浓度为50 ppm的GA3协同增加了装束重量和维生素C浓度。 GA3喷雾延迟了水果的成熟，这反映在较低的糖浆含量和较高的酸度，酚和单宁浓度上。与对照相比，GA3喷雾和套袋处理均增加了果实重量。与对照相比，GA3喷雾和GA3束装可增加果肉/种子的比率。与对照相比，通过分别以100和150 ppm的GA3喷雾以及通过单独装袋或以50 ppm的GA3装袋，果实长度显着增加。与对照相比，GA3喷雾和束装处理增加了总可溶性固形物（TSS）和酸度浓度。总体而言，2010年的束重和水果质量都比2011年高。得出结论：GA3喷雾和套袋装均可对炎热干旱条件下的套束和果实重量产生促进作用，并改善“ Barhee”枣的品质

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