我国北部冬麦区小麦区域试验重复次数和试点数量的优化设计

张毅,许乃银,郭利磊,杨子光,张笑晴,杨晓妮

Optimization of test location number and replicate frequency in regional winter wheat variety trials in northern winter wheat region in China

Yi ZHANG,Nai-Yin XU,Li-Lei GUO,Zi-Guang YANG,Xiao-Qing ZHANG,Xiao-Ni YANG

图1 北部冬麦区小麦品种试验的遗传力(H)及其所需重复(Nr)或试点数量(Ne)的关系 Irrigated和Rainfed分别代表北部冬麦区的水地组和旱地组小麦品种试验; Qr和Qe分别代表重复数信噪比和试点数信噪比。

Fig. 1 Relationship between heritability (H) and replicate (Nr) or test location number (Ne) for regional winter wheat variety trials in Northern winter wheat region Irrigated and Rainfed stand for the irrigated group and rainfed group in winter wheat variety trials of Northern winter wheat region. Qr and Qe stand for the noise-signal ratio of replicate and test location number, respectively.