中国农学通报2025，Vol.41Issue(3)：76-83,8.
2004-2022年徐州地区气候因子及小麦区域试验品系性状演变分析
Analysis of Evolution of Climate Factors and Wheat Regional Experimental Variety Traits in Xuzhou Region from 2004 to 2022
摘要
Abstract
The study aimed to provide theoretical support for identifying the growth characteristics of new wheat strains in Huaibei District,Jiangsu Province,and for new varieties breeding direction and green high-efficiency and high-yield cultivation technology measures in Xuzhou and the same ecological area.Multiple agronomic character data and meteorological data such as temperature,precipitation and light during wheat growth period of 335 new wheat lines in Huaibei wheat regional experiment in Jiangsu Province from 2004 to 2022 were used to analyze the evolution law and their correlation in the past 20 years.The results showed that during the wheat growing period,the total precipitation increased by 2.1451 mm per year,and the total sunshine duration decreased by 5.5074 h per year.In January,February and March,the overall temperature rise was obvious,the overwintering period of wheat was gradually shortened,and the regreen jointing period was advanced.The proportion of increased wheat varieties in the test was fluctuating,but the overall trend was rising.The basic seedlings,maximum tiller,plant height,volume weight,number of ears and grain yield showed an increasing trend,the growth period was slightly shortened;the 1000-grain weight and grans per spike were basically flat,but slightly decreased.The coefficient of variation was the smallest in the growth period(2.71%).The highest number of tillers per hectare was 19.86%.The coefficient of variation of growth period,bulk weight and plant height was less than 10%,and the coefficient of variation of other traits was more than 10%.The results of comparison between the top 10 and the bottom 10 showed that wheat lines with more than 6.2 million panicle number,more than 35 grains per spike,more than 43g 1000-grain weight and more stable agronomic traits were more likely to obtain high yield.The correlation analysis results showed that the three factors of yield were positively correlated with yield,while the effective panicle number was negatively correlated with 1000-grain weight and the number of grains per panicle.Cultivating new varieties with three factors of yield synergistic improvement and matching cultivation measures to cope with climate change is an important way to achieve high and stable yield of wheat in Xuzhou and the same ecological area.关键词
小麦/淮北地区/气候/区域试验/农艺性状/演变Key words
wheat/Huaibei Region/climate/regional experiment/agronomic traits/evolution分类
农业科技引用本文复制引用
刘立伟,冯国华,刘静,王静,易媛,朱雪成,张娜,张会云,马红勃,刘东涛..2004-2022年徐州地区气候因子及小麦区域试验品系性状演变分析[J].中国农学通报,2025,41(3):76-83,8.基金项目
2023年农业重大技术协同推广计划——淮北地区绿色优质高效小麦重大技术协同推广项目(2023-ZYXT-05) （2023-ZYXT-05）
国家小麦产业技术体系项目(CARS-03). （CARS-03）
