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调查海南本地种植的“热研1号”槟榔落花落果,并参考气候因子,分析其落花落果规律。结果表明,除受花器官本身发育状况及养分供应的影响外,落花落果与天气状况有密切的相关性。发现槟榔落花落果主要集中在6月中下旬至8月下旬,恰逢海南地区高温季节和雨季变化,槟榔前两串花序在久旱骤雨后常发生大量落花现象,而后两串花序在雌花开放授粉期如遇持续降雨,可能严重影响授粉受精,导致后期严重的落花落果。
Investigate Hainan local planting “hot research 1 ” betel nut fall and fall fruit, and reference to climate factors, analysis of its law of fall and fall. The results showed that there was a close correlation between the flowering and deciduous fruits and the weather conditions, except for their own developmental status and nutrient supply. The results showed that the betel nut was mainly concentrated in the middle and late June to the end of August, coinciding with the high temperature season and the monsoon season in Hainan. The first two series of inflorescences of Areca nut appeared a lot of falling flowers after long dry showers, In case of continuous rainfall during pollination period, it may seriously affect pollination and fertilization, resulting in severe late-flowering.