河北主要生态区玉米新品种产量稳定性评价

Evaluation on Yield Stability of New Maize Varieties in Major Ecological Areas of Hebei Province

为河北省不同生态类型区夏玉米品种选择提供依据,以近年审定的部分玉米品种为材料,通过产量性状隶属函数值评价玉米稳产性,明确河北省各生态区的适宜夏玉米品种。结果表明:适合山前平原区新乐地区的夏玉米品种为华农887、明科玉33、先玉047、京科968,其隶属函数值分别为0.75、0.73、0.72和0.71;山前平原区辛集地区适宜种植的夏玉米品种为郑单958、裕丰105、先玉1140、先玉047、京科968和农大372,其隶属函数值分别为0.73、0.67、0.67、0.63、0.62和0.62;适合黑龙港区邯郸地区种植的夏玉米品种为京科968,其隶属函数值为0.79;适合冀东平原区玉田地区种植的夏玉米品种为京科968、先玉1360、蠡玉86、郑单958和蠡玉57,其隶属函数值分别为0.71、0.65、0.49、0.48和0.48。

To provide a reference for selection of summer maize varieties in different ecological areas in Hebei,the yield stability of some maize varieties approved in recent years was evaluated by yield character membership function value,thus to confirm the optimal summer maize varieties in ecological region of Hebei Province.Results:The summer maize varieties of Huanong 887,Mingkeyu 33,Xianyu 047 and Jingke 968 were suitable for cultivating in Xinle area of Piedmont Plain,and their membership function values were respectively 0.75,0.73,0.72 and 0.71.The summer maize varieties of Zhengdan 958,Yufeng 105,Xianyu 1140,Xianyu 047,Jingke 968 and Nongda 372 were suitable for cultivating in Xinji area of Piedmont Plain,and their membership function values were respectively 0.73,0.67,0.67,0.63,0.62 and 0.62 respectively.The summer maize variety of Jingke 968 was suitable for cultivating in Heilonggang area and Handan area,and its membership function value was 0.79.The summer maize varieties of Jingke 968,Xianyu 1360,Liyu 86,Zhengdan 958 and Liyu 57 were suitable for cultivating in Yutian area of Jidong Plain,and their membership function value were 0.71,0.65,0.49,0.48 and 0.48 respectively.