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首页> 外文期刊>Acta Horticulturae >Inflorescence characteristics and pollination compatibility of two local olive cultivars in high-density plantation
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Inflorescence characteristics and pollination compatibility of two local olive cultivars in high-density plantation

机译：两种局部橄榄品种在高密度植物中的花序特征及授粉兼容性

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The self-fertilization and the cross-fertilization rate represent important factors in determining the suitability of local olive varieties to the high-density plantation. The inflorescence and flowering features, and the fruit set were investigated in 2016 (OFF year) for 'Piantone di Mogliano' (PM) and 'Piantone di Falerone' (PF), two promising local cultivars, in a young high-density olive orchard (1,250 trees ha1) located in Maiolati Spontini (central Italy) with controlled pollination. Piantone di Falerone showed a higher percentage of open flowers compared to Piantone di Mogliano at the same date (June 3). The fruit set was determined under self-, cross-(PMxPF and PFxPM) and free-pollination conditions on small fruiting branches. The self- andcross-fertilization rate was tested closing the branches in paper bags before flowering onset. 'Piantone di Falerone' showed a higher number of inflorescences (positively correlated with the number of ramifications per fruiting branch) and a lower numberof flowers per inflorescence compared to 'Piantone di Mogliano' so that finally no significant differences were recorded on the total number of flowers per fruiting branch in the two tested cultivars. 'Piantone di Mogliano' showed a lower number of perfect flowers due to a higher percentage of male flowers (ovary abortion) compared to 'Piantone di Falerone'. According to fruit set, 'Piantone di Falerone' resulted self-sterile (no fruit set in paper bags with self-pollination) and 'Piantone di Mogliano'partially self-compatible. No differences on fruit set were recorded between the cultivars in free-pollination conditions (p=0.26), whereas in cross-pollination condition, inside paper bags, the combination PMxPF resulted in a higher (p=0.004) fruit setcompared to the PFxPM one. Present results provide helpful information on the characteristics of the inflorescence, flowering time and self and non-self-fertility of 'Piantone di Mogliano' and 'Piantone di Falerone' and suggest the use of other cultivars as pollinators to increase fruit set in free pollination conditions.
机译：自我施肥和交叉施肥率代表了确定当地橄榄品种对高密度种植园的适用性的重要因素。花序和开花特征，以及水果集在2016年（离年）为“Piantone di Mogliano”（PM）和'Piantone di Falerone'（PF），两个有前途的当地品种，在一个年轻的高密度橄榄果园（1,250棵树Ha1）位于意大利Maiolati Spontini（意大利中部），受控授粉。与Piantone di Mogliano相同的日期（6月3日），Piantone di Farerone展示了更高的开花百分比。在自我，交叉（PMXPF和PFXPM）和小果实分支上的自由授粉条件下确定水果集。在开花开始之前测试了自我和交的施肥率在纸袋中闭合纸袋。 'Piantone di Falerone'显示了较多的花序（与每个结果分支的分支的数量呈正相关），与“Piantone di Mogliano”相比，每个花序的较低的花序，因此最终没有记录在总数上没有显着差异鲜花每种结果分支在两个测试的品种中。由于“Piantone di Falerone”相比，由于“Piantone di Falerone”相比，'Piantone di Mogliano'显示了较少的雄性花（卵巢堕胎）。根据水果套装，'Piantone di Falerone'导致自我无菌（没有水果在纸袋中镶有自我授粉）和'Piantone di Mogliano'Partible兼容。在自由授粉条件下的品种之间没有对水果集的差异（p = 0.26），而在粉纸袋中，在纸袋内，PMXPF的组合导致了更高的（p = 0.004）水果置于pfxpm一个。目前的结果提供了有关“Piantone di Mogliano”和'Piantone di Falerone'的花序，开花时间和自生育能力的有用信息，并建议使用其他品种作为粉丝器，以增加自由授粉的水果状况。

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