Studies On Investigation And Exploitation Of The Resources Of Cerasus Mill. In Wuyi Mountain

Wuyi mountain chain, located at the border of Fujian Province and Jiangxi Province, is the important borderline of southeast region, which contains complicated environment, diversiform species and abundant cherry flowers. By specimen were collected in field long time, type specimen and photos of type specimen were checked, lots of literatures were read, and based on the classical morphological taxonomy, associated with submicroscopic characters of leaf epidermis and pollen morphology, the paper comprehensive and systematic review the taxonomy of Cerasus and summary the achievement of former. Finally the resource of Cerasus in Wuyi mountain are presented.(1) The system taxonomy of Cerasus, morphological research, resource geographical distributon and ecology character are reviewed in the paper. The main characteristics of leaf, flower, and fruit in Cerasus are summarized, which shows two kinds of glands were existed including petiole gland and leaf margin gland and the position of the glands have important meanings for the taxonomy in Cerasus. Submicroscopic characers of epidermis of leaves and pollen were studied, and the shape of the inner margin of outer stomatal ledge were recorded. The characteristics of pollen about size, P/E and extrinsic cornament were described. Summing up all of the research and resource, the various morphological and steady characteristic were come up with.(2) It is the first to confirm the resource of Cerasus in Wuyi mountain, 4 species C.dielsiana,C.dielsiana var.abbreviata, C.jamasakura, C.conradinae were newly recorded. C.fokiensis was combined with C.schneideriana; the varieties C.serrulata var. spontanea and C.Jamasakura were combined. There are plenty of Cerasus plants in Wuyi mountain, which includes 13 species and 8 varieties; They are 3 news species about C.wuyiensis X.R.Wang, X.G.Yi et C.P.Xie., C.huanggangensis X.R.Wang, X.G.Yi et C.P.Xie., and C.brevitubus X.R.Wang, X.G.Yi et C.P.Xie., 3 new varieties about C.dielsiana var.longistyla X.R.Wang, X.G.Yi et C.P.Xie.,C.subhirtella var.miniflora X.R.Wang, C.P.Xie et X.G.Yi.and C.subhirtella var.platyphyllus X.R.Wang, C.P.Xie et X.G.Yi. The results were supported by classical taxonomy, leaf hair, and pollen morphology.(3) Series taxonomy of Cerasus were done with in the paper. Early cherry series: C.subhirtella var.miniflora, and C.subhirtella var.platyphyllus were supported to be new variety of C.subhirtella. Early cherry series includes C.subhirtella, C.subhirtella var.ascendens, C.subhirtella var.miniflora, C.subhirtella var.platyphyllus. C.dielsiana var.longistyla is new variety of C.dielsiana var.longistyla and Caudate cherry series includes C.dielsiana, C.dielsiana var.longistyla, C.dielsiana var.abbreviata. (4) The high valuable ornamental Cerasus plants in Wuyi mountain are choosed to be described. The experiment of cultivation C.cerasoides var.campanulata to succeed in Nanjing shows Cerasus plants adapt to the environment of this region. The breeding technology of Cerasus plants are reviewed and the optimization cultivation about seed propagation, cutting propagating and tissue culture are summarized. Finally the indigenous Cerasus plants have vast vistas, and the effect measure to exploit the cherry flower resource have been brought forward(5) The culture and influence of Japanese were analyzed in the paper. The situation of Japanese cherry trees cultivated in China and exploitation of indigenous Cerasus plants are studies. The results indicated that Japanese cherry culture spreading abroad has disadvantageous effect on the exploitation of indigenous Cerasus plants, and the position of our country's Cerasus resource is subordinate to the former in the utilization of garden.