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1材料与方法1.1试验地选择本试验在南阳盆中平原小麦高产区选取四个有代表性的县作为试验点,试验地均为高产创建田,地势平坦,地力均匀,农田水利基础设施完备配套,沟、路、渠、井具备,排灌方便。各试验点交通方便,周边无障碍物并远离周边村庄,属中上等肥力条件,前茬作物为玉米,产量在8 250~9 750kg/hm2。1.2参试品种本试验参试品种12个:郑麦7698、兰考198、矮抗
MATERIALS AND METHODS Selection of test sites In this experiment, four representative counties were selected as experimental sites in the high-yielding area of plain wheat in Nanyang basin. The test sites were all high-yield fields, with flat topography, uniform ground fertility, complete farmland water conservancy facilities , Ditch, road, canal, well with irrigation and drainage convenient. The test sites are easily accessible and free of obstructions in the surrounding area and far from the surrounding villages. They belong to middle-upper fertility conditions and the former crop is corn with a yield of 8 250 ~ 9 750 kg / hm2.1.2. The tested cultivars 12 were tested: Zheng Mai 7698, Lankao 198, short resistance