不同播期和播量对青浦区主推小麦品种产量的影响

摘要

The split-plot experiment of three factors (variety, seeding date and seeding rate) was carried out with the main wheat varieties in Qingpu area. The results showed that the variety 'Yang-mai 16' had an obviously higher yield than other two varieties and was more suitable for planting in Qingpu;Between Oct.31 and Nov. 15,the yield gradually decreased with the seeding date delaying,but could be effectively improved by appropriate early seeding; Appropriately increasing seeding rate could improve the yield,and the yield performance was the best when the basic seedlings were 3.6 million plants/hm2.%对青浦地区主推小麦品种进行了品种、播期、播量三因素裂区试验.结果表明,‘扬麦16’各处理产量明显高于其他2个品种,对当地的适应性较好；在10月31日至11月15日期间,随着播期的推迟产量呈逐渐下降的趋势,适当早播能有效提高产量水平；以360万株/hm2基本苗的产量表现最好,适当提高播量可以增产.