Models of disease index estimation of wheat powdery mildew based on the concentrations of Blumeria graminis f. sp. tritici conidia in the fields
YAN Zheng-yuan, FAN Jie-ru, LIU Wei, ZHOU Yi-lin
Acta Phytopathologica Sinica . 2017, (2): 253 -261 .  DOI: 10.13926/j.cnki.apps.000055