Supported by the National Natural Science Foundation of China (39870129), PhD Program Foundation of Ministry of Education of China (20030422030), and the National Natural Science Foundation of Shandong Province (Z2003D05).Acknowledgements The authors sincerely thank Dr Xue-Cong Liu, Zhi-Guo Zhang and Shu-Ping Zhang for technical support, and Jiang Liu, L Chen, and Da-Ning Li for help in field experiment.
Diurnal and nocturnal leaflet movement of black locust (Robinia pseudoacacia L.) was investigated under three light schemes: 100% natural irradiance, 50% shading, and 90% shading. Changes in leaf mid-vein angle wer...