7Dechard E L,Busch R H.Nitrate reductase assays as a prediction test for crosses and lines in spring wheat.Crop Sci,1978,18:289-294.
8Tadashi T,Takeshi H,Masao O.Filling percentage of rice spikelet as affected by availability of non-structural carbohydrates at the initial phase of grain filling.Jpn J Crop Sci,1996,65(3):445-452.
9Amano T,Zhu Q S,Wang Y I,et al.Case studies on highyields of paddy rice in Jiangsu Province,China:Ⅱ.Analysis ofcharacters related to lodging.Jpn J Crop Sci,1993,62(2):275-281.
