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研究了不同类型小麦品种的发育与温、光等主要环境因子的数量关系,发展了小麦最短累计春化日(AVD)的概念,指出不同类型品种的最短累计春化日不同,给出了不同类型有代表性品种AVD的数量指标,在借鉴吸收“水稻钟”模型和CERES-Wheat模型的思想方法基础上,构建了析因指数形式的小麦发育期动态模拟模型(WDSM)。WDSM具有精度高,机理性强,适应性好等特点。在全国范围内,模拟误差在一周之内,绝大多数地点在2～4天。在北纬34°17＇～38°56＇的范围内,采用北京10号品种,将WDSM的模拟误差与积温法进行了比较:除播种—出苗阶段略接近外,其他阶段均减少7.8～40.7天。与CERES-Wheat进行比较的结果表明:在出苗—抽穗阶段减少4.2天,在整个生育期也有所减少。
The relationship between the development of different types of wheat varieties and the major environmental factors such as temperature and light was studied, and the concept of minimum cumulative spring-time (AVD) of wheat was developed. It was pointed out that the minimum cumulative vernalization day of different varieties was different, Based on the idea of absorbing rice bell and CERES-Wheat model, a dynamic simulation model (WDSM) of factorial index was established. WDSM with high precision, strong mechanical, good adaptability and so on. In the country, the simulation error in a week, the vast majority of locations in 2 to 4 days. In the range of latitude 34 ° 17 ’~ 38 ° 56’, the simulated error of WDSM was compared with the accumulated temperature method using Beijing No.10 breed: all the stages were reduced by 7.8 ~ 40.7 days except that the seeding-emergence stage was slightly close to each other . Comparisons with CERES-Wheat showed a reduction of 4.2 days in the emergence-heading stage and a decrease in the whole growth period.