Mating system and seedling growth of five tropical tree species

作者：Khanduri Vinod Prasad^*

来源：Forest Sciences, 2016, 44(110): 509-517.

DOI：10.18671/scifor.v44n110.23

• Breeding system
• selfing
• outcrossing
• flower fertilization
• inbreeding depression

This study was conducted to estimate breeding system through controlled crosses and its impact on seed germination percentage of three entomophilous and two ornithophilous tropical woody taxa. The taxa selected were Bombax ceiba, Erythrina stricta (both ornithophilous), Lagerstroemia speciosa, Mesua ferrea and Schima wallichii (all entomophilous). The index of self incompatibility (ISI) value for different species was 0.00 for B. ceiba, 0.04 for E. sricta, 0.62 for L. speciosa, 0.60 for M. ferrea and 0.48 for S. wallichii. The results revealed that B. ceiba and E. sricta are self incompatible species whereas L. speciosa, M. ferrea and S. wallichii are partially self incompatible. The seeds produced from controlled cross-pollination proclaimed highest seed germination followed by the seeds developed through open pollination in all the study species.

• 出版日期2016-6