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于2011—2016年观察记载云阳引种冬枣的生长发育情况,分析与评价冬枣在云阳地区栽培适应性。结果表明,云阳气候条件能够满足冬枣植株和果实的生长发育,冬季0~7.2℃低温基本满足冬枣植株自然休眠的需冷量,但夏季高温(>35℃)会对果实生长发育造成一定的不利影响。生长期内适宜的空气相对湿度和充沛的降水量为冬枣的花期、果实生长发育提供了良好的气象条件。冬枣萌芽期提前至3月上旬,成熟期提前至9月上旬,落叶期延后至11月中旬。果实生育期110~115d,年生长周期为240~270d,休眠期缩短。结论:冬枣可以在云阳地区海拔400~800m地区引种栽培和示范推广。
In 2011-2016, the growth and development of jujube introduced in Yunyang was recorded, and the adaptability of jujube cultivation in Yunyang was analyzed and evaluated. The results showed that the climatic conditions of Yunyang could meet the growth and development of winter jujube plants and fruits. The low temperature of 0 ~ 7.2 ℃ in winter could basically meet the natural cold dormancy demand of winter jujube plants, but the summer high temperature (> 35 ℃) Negative Effects. The appropriate air relative humidity during the growing season and abundant precipitation for jujube flowering, fruit growth and development provide a good weather conditions. Jujube germination early in early March to early maturity early September early, the deciduous period postponed to mid-November. Fruit growth period 110 ~ 115d, the annual growth period of 240 ~ 270d, dormancy shortened. Conclusion: Chinese jujube can be introduced, cultivated, and popularized in the area of 400 ~ 800m in Yunyang area.