【摘要】 花生虽属Ｃ３型作物，其光合潜能却很高。群体净同化率５０ｍｇＣＯ２／ｄｍ２·ｈ；单叶净同化率３４ｍｇＣＯ２／ｄｍ２·ｈ，光合作用日变率群体呈单峰曲线；单叶呈双峰曲线，峰谷差率小。其高产潜力，在山东按其最大光能利用率和光温潜力值推算，单位面积荚果产量为１７２７５．５ｋｇ／ｈｍ２和１６７５８ｋｇ／ｈｍ２；按最佳产量因素结构估算，可达１３６８３ｋｇ／ｈｍ２；现已实现的最高产量记录为１１７８４ｋｇ／ｈｍ２。花生进一步高产的主要途径是选用株型性状优良的高产品种；提高光能利用率促进光合产物合理分配；依靠主要结实枝实现群体果多果饱。更多还原

【Abstract】 Peanut has high photosynthetic efficiency although it is a C 3 plant. The net assimilation rate (NAR) of 8-week old Haihua No.1 genotype was (50 mg CO 2 d m -2 ) h -1 in a crop canopy and (34 mg CO 2 dm -2 ) h -1 in a single leaf. Estemated by the max. photosynthetic efficiency and the potential of hight and temperature in Shandong Province, the pod yield potential was 17275.5 kg hm -2 and 16758 kg hm -2 , respectively. Estemated by the optimum stmcture determining the yield, however, the pod yield was 13683 kg hm -2 . The obtained highest pod yield was 11784 kg hm -2 . The approaches to get still higher pod yield in peanut are: 1) To use high yielding varieties with better traith of the plants. 2) To improve photosynthetic efficiency realizing the rational distribution of net assimilation. 3) To obtain more filled pods on the bearing branches of the population.更多还原