水分处理对河南省主推小麦品种籽粒灌浆特性的影响

Effects of Water Treatment on Grain Filling Characteristics of Main Wheat Cultivars in Henan Province

对河南省新近审定的品种和正在参加区域试验的苗头品系进行研究,设置不同水分处理,研究产量和灌浆特性对水分的响应,筛选出了3个节水丰产性好的品种:存麦12、洛麦28、洛麦26。用DPS软件对Logistic方程进行模拟,得出方程参数,并计算分析了灌浆次级参数。结果表明,产量随着灌水量的增加有不同程度的提升。W 2比W 1平均产量提高11.8%,W 2较W 0提高49.12%,W 1较W 0提高33.38%;籽粒的千粒重并没有随着灌水次数的增多而增加,W 1处理的千粒重最高,为51.80 g,W 0处理次之,W 2最低,为48.85 g。不同品种的灌浆特性对水分的响应不尽相同。

In order to carry out the matching of good seed and good method quickly and efficiently,improve the efficiency of variety popularization,reduce the damage degree of various disasters, avoid the production risk,save the resources,realize high yield,high quality and high efficiency in Henan province.In the study,different water treatments were set up to study the response of yield and grain filling characteristics to water.Three varieties with good water-saving and high yield were screened out:Cunmai 12,Luomai 28,and Luomai 26.The Logistic equation was simulated by DPS software,and the equation parameters were obtained,and the secondary parameters of grouting were calculated and analyzed.The yield of wheat increased with the increase of irrigation.The average yield of W 2 was 11.8% higher than that of W 1,W 2 was 49.12% higher than that of W 0,and W 1 was 33.38% higher than that of W 0.The 1 000 grain weight of grain did not increase with the increase of irrigation frequency.The 1 000 grain weight of W 1 was 51.80 g,followed by W 0 treatment.The 1 000 grain weight of W 2 was lowest which was 48.85 g.The response of different varieties of grain filling to water was different.