Liu F.-L.,Shandong Institute of Forestry Science |
Fang Y.-F.,Shandong Institute of Forestry Science |
Sun J.-W.,Shandong Agricultural University |
Bai S.-H.,Shandong Agricultural University |
And 4 more authors.
Zhiwu Shengli Xuebao/Plant Physiology Journal | Year: 2013
To probe into light requirement for 36 species of Euramerican ornamental crabapples, the growth indexes, height and ground diameter, and photosynthetic parameters such as maximum photosynthetic rate (Pn), satuation light intensity (SL), light compensation point (LCP), dark respiration (Rd) and apparent quantum yield (AQY) were measured and analyzed. There were obvious differences in the height and ground, photosynthetic characteristics among the materials. For the 36 crabapples, nine species including 'Neville Copeman', 'Evereste' and 'Red Splender' were possessed of higher Pn, and the mass of growth were also more than other species. The higher SL of the eight crabapples, such as 'Neville Copeman' and 'Evereste', suggested that they were adapted to high-intensity light and belonged to sun-loving species. The highest AQY of 'Indian Magic' and 'Radiant' implied that the efficiency of light energy conversion was high and low-intensity light could be used effectively in their leaves. These data will be useful to the reasonable allocation and cultivation of Euramerican ornamental crabapples in the landscape.