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玉稻518是河南省新乡市农科院与河南师范大学共同培育的水稻新品种,2012年6月通过河南省农作物品种委员会审定。该品种属中熟常规粳稻类型,熟期适中,高产稳产、品质优、抗性强,适宜在黄淮粳稻区种植。在2009~2010年河南省区试中,平均产量8821.5千克/公顷,较对照豫粳6号增产16.8%,达极显著水平。该品种大面积示范单产9750千克/公顷左右。本文通过对该品种产量及其构成因素分析,了解各因素间的内在联系并探讨其增产途径,为进一步扩大应用面积,充
Yuda 518 is a new rice variety cultivated by Xinxiang Academy of Agricultural Sciences and Henan Normal University in Henan Province. It was approved by Henan Crop Variety Commission in June 2012. The variety is a medium-mature japonica rice type, moderate maturity, high and stable yield, excellent quality, resistance, suitable for planting in Huanghuai japonica rice area. In 2009-2010 Henan province district trial, the average yield 8821.5 kg / ha, compared with the control Yujing 6 yield 16.8%, reaching a significant level. The variety of large-scale demonstration yield 9750 kg / hectare. In this paper, the yield and its components of the varieties of analysis to understand the intrinsic linkages between the various factors and explore ways to increase production, in order to further expand the application area, charge