共和地区油用牡丹生长与气象条件的分析

Analysis of Grow th and Meteorological Conditions of Paeonia suffruticosa Andr in Gonghe Area

2018年在青海省共和地区栽种油用牡丹,并对油用牡丹生长及气象条件进行分析。结果表明,稳定通过5℃的积温大于189.2℃·d时栽种油用牡丹,栽种后32 d油用牡丹开始发芽,发芽始期5 d后进入盛期。发芽盛期5 d后开始展叶,展叶始期至盛期间隔日数为6 d。叶变色始期出现在10月16日,10月下旬油用牡丹叶变色盛期。气温高、降水少、日照时数多对油用牡丹的生长有利。

The growth and meteorological conditions of Paeonia suffruticosa Andr planted in Gonghe County of Qinghai Province in 2018 were analyzed.The results showed that Paeonia suffruticosa Andr was planted when the accumulated temperature of 5℃was more than 189.2℃·d.The Paeonia suffruticosa Andr began to germinate 32 days after planting,and reached its peak after 5 days of germination.Leaf development began 5 days after the peak of germination,and the interval from the beginning to the peak was 6 days.The beginning of leaf discoloration occurred on October 16 and the peak of leaf discoloration of Paeonia suffruticosa Andr in late October.High temperature,less precipitation and more sunshine hours were beneficial to the growth of oil peony.