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当前位置: 首页 > 文章 > 乐都甜樱桃免受冻害的温度保证率分析 青海农林科技 2020 (2) 36-39
Position: Home > Articles > Analysis of Temperature Guarantee Rate of Ledu District Sweet Cherry from Freezing Injury Science and Technology of Qinghai Agriculture and Forestry 2020 (2) 36-39

乐都甜樱桃免受冻害的温度保证率分析

作  者：
管理平;王兴辉;马进伟
单  位：
关键词：
甜樱桃;晚霜冻;冻害;保证率;越冬期
摘  要：
乐都区引进甜樱桃栽培项目以来,频繁受到越冬期冻害、春季晚霜冻危害,对进入盛果期的甜樱桃产量和果农收入产生了较大影响,制约了甜樱桃产业的进一步发展。本文根据乐都区地面气象观测资料,结合甜樱桃越冬期冻害、春季晚霜冻发生的农业气象指标,采用频率表法对近三十年气象资料中甜樱桃免受冻害和晚霜冻的温度保证率进行了统计分析。经分析,乐都区热量资源较欠缺,冬季寒冷,且冬、春季年际间温度变化波动大,甜樱桃安全度过冬春季各发育期的温度保证率偏低。受越冬期冻害、萌芽期霜冻、开花幼果期霜冻三个不同阶段农业气象灾害的制约,甜樱桃高产栽培的保证率偏低,受危害风险较大,冻害和晚霜冻频繁发生。
译  名：
Analysis of Temperature Guarantee Rate of Ledu District Sweet Cherry from Freezing Injury
作  者：
GUAN Li-ping;WANG Xing-hui;MA Jing-wei;Meteorological Bureau of Ledu District,Haidong City;Agricultural Bureau of Ledu District,Haidong City;
关键词：
Sweet cherry;;Late frost;;Freezing injury;;Guarantee rate;;Wintering period
摘  要：
Since the introduction of the sweet cherry cultivation project in Ledu District,it has been frequently harmed by overwintering frost and late spring frost,which has a great impact on the yield of sweet cherries and fruit farmers' income in the full fruit period,restricting the further development of the sweet cherry industry.Based on the surface meteorological observation data in Ledu District,combined with the agro-meteorological indicators of sweet cherry overwintering and late frost in spring,the frequency table method is used for the temperature guarantee rate of sweet cherry frost damage and late frost in the meteorological data in the past three decades Statistical analysis.After analysis,the thermal resources in Ledu District are relatively scarce,the winter is cold,and the inter-annual temperature changes in winter and spring fluctuate greatly.The temperature guarantee rate for sweet cherry to survive the winter and spring development periods is relatively low.Constrained by three different stages of agro-meteorological disasters,including frost damage in the wintering period,frost in the germination period,and frost in the flowering and young fruit period,the guarantee rate of high-yield cultivation of sweet cherries is low,and the risk of damage is high.

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