J. Fang, W. Ma, X. Zhao, X. He, B. Li, Y. Tong, and Z. Li. Lower canopy temperature is associated with higher cytokinin concentration in the flag leaf of wheat. Crop Science 2012, 52: 2743-2756

文章链接：http://www.google.com.hk/url?sa=t&rct=j&q=Lower+canopy+temperature+is+associated+with+higher+cytokinin+concentration+in+the+flag+leaf+of+wheat&source=web&cd=1&ved=0CDoQFjAA&url=https%3A%2F%2Fwww.crops.org%2Fpublications%2Fcs%2Fpdfs%2F52%2F6%2F2743&ei=quBgUeLILu-ciAeUuYHoBg&usg=AFQjCNHOL4JPWok09fJhBCOqB6asiMVlCw