由于冬季气温持续偏高,我国秋播油菜产区作物生育期比常年提前3~7天,长势良好。目前,秋播油菜在云南大部已进入结荚期,江南南部处于盛花期,江南北部、西南大部处于初花期,长江中下游地区处于蕾薹期至初花期,陕南和豫南处于抽薹期至蕾薹期。受积温偏高和寄主生育期提前的综合影响,早春油菜病虫害发生期偏早、发生程度重于常年。据农业部门统计,目前全国油 As the winter temperatures continued to be high, the crop growth period of rapeseed in autumn in China was 3 to 7 days ahead of normal, and the growth was good. At present, autumn sowing rape in most of Yunnan has entered the pod stage, southern southern flowering period, southern Jiangnan, most of the southwest at early flowering, the middle and lower reaches of the Yangtze River in the bud stage to early flowering, southern Shaanxi and Henan in bolting Bud to the bud period. Affected by the combined effect of high accumulated temperature and early host growth period, early spring rape emergence occurs earlier and more frequently than usual. According to the statistics of the agricultural sector, the current national oil