不同播期对沿黄稻区强筋型小麦产量和品质的影响

Influences of Different Sowing Dates on the Yield and Quality of Strong Gluten Wheat in Rice Stubble-field of the Yellow River Area

为了研究播期对稻茬强筋型小麦产量和品质的影响,在沿黄稻区以‘豫麦34’强筋型小麦品种为试验材料,设置3个播期处理:10月8日、10月18日、10月28日,完全随机区组设计,测定产量及产量因素、蛋白质含量及组分含量、淀粉含量及组分含量、粉质参数值。结果表明:沿黄稻区的稻茬强筋小麦在10月8日至28日期间,适期早播可提高产量,产量最高为3593.33 kg/hm2,产量最低为1862.25 kg/hm2;随着播期推迟,籽粒蛋白质含量显著提高,淀粉含量下降,播期对蛋白质各组分和淀粉各组分含量的影响结果不尽一致;综合面粉质量参数评价结果,中期(10月18日)播种的最优,晚期播种(10月28日)表现最差。

To study the influences of different sowing dates on the yield and quality of strong gluten wheat, taking ＇Yumai 34＇ strong gluten wheat in the Yellow River area as experimental object, three completely randomized block design experiments were conducted at sowing dates （Oct. 8th, Oct. 18th and Oct. 28th）, and parameters such as yield, yield factors, protein content and its components, starch content and its components, and farinograph values were measured. Results showed that during Oct 8th to 28th, early sowing could improve yield （the highest yield was 3593.33 kg/hm2, the lowest yield was 1862.25 kg/hm2）. When sowing date was postponed, grain protein content increased significantly, starch content decreased, and the effect of sowing date on protein components and starch components was inconsistent. Taking into consideration of flour quality, overall assessment indicates that mid-time （Oct 18th） sowing was the best, and late-time （Oct. 28th） sowing performs the worst.