Study on the Accumulation and Translocation Regulation of Dry Matter and NP after Anthesis in Different Types of Spring Wheat Varieties in Xinjiang

【Objective】The purpose of this project was to evaluate the accumulation and translocation regulation of dry matter and NP of different types of spring wheat varieties planted in the natural ecological condition.【Method】The test materials were 8 spring wheat varieties cultivated in Xinjiang.The accumulation and translocation regulations were studied by measuring the accumulation of dry matter and NP after anthesis.【Result】The accumulative dynamic state of dry matter and NP appeared a rising tendency after anthesis.The accumulation of dry matter and NP in strong gluten varieties was the highest in maturity,followed by middle gluten varieties and middle strong varieties.For the translocation of dry matter and NP,the amount and rate of dry matter translocation before anthesis was middle glutenmiddle strong glutenstrong gluten in turn from high to low,the amount of dry matter translocation was middle glutenstrong glutenmiddle strong gluten,the contribution rate of dry matter translocation to grain yield was strong glutenmiddle glutenmiddle strong gluten.The regulation of NP accumulation and translocation was basically consistent,and the amount of NP accumulation was strong glutenmiddle glutenmiddle strong gluten.【Conclusion】Certain difference existed under the regulation of dry matter and NP accumulation and translocation in different types of spring wheat varieties.