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Wild Fruit - Fruit Milk Wood


In terms of production there is still great potential. HU Jian-Hong Xiao Chunfen Received: 20o3 A O1-22 wooden milk fruit Zhengling Li (Xishuangbanna Tropical Botanical Garden, 666303, China) wooden milk fruit (BaccaurearamifloraLour.), is a Euphorbiaceae, milk and fruit trees are evergreen trees, this is about 8O species in India,[link widoczny dla zalogowanych], Malaysia, southern China is mainly distributed in low elevation valley in the hillside in dense forest or woodland. Fruit can be fresh milk, fruit trees in India and Southeast Asia In addition to fresh, also used in making jam. In the wild,[link widoczny dla zalogowanych], mostly in Xishuangbanna, the Dai people sporadically cultivated in local gardens for fresh or medicinal. Early 9O 2O century, the author of the Xishuangbanna Wild Wood conducted a survey of milk and fruit resources, to skin color to distinguish between collecting the two types of milk and fruit germplasm resources of wood, one white skin is almost white milk, fruit trees, two Purple is a fruit wood for the purple milk fruit and conducted breeding cultivation, composition analysis. The edible fruit was 49.2, with water 84.7, fat 0.06 spinning, starch 0.47, fiber 0.29, vitamin C1.57mg/100g; titratable acid lI99; total sugar l1.87. The pulp contains not only the nutrients needed by the body, root, fruit, pleasant medicine, but also the old flowering stems of plants,[link widoczny dla zalogowanych], trees and beautiful landscaping is a good species. I hereby report as follows cultivation experiment. 1 evergreen tree morphology, tree height 6 ~ 12m, grayish brown bark, branchlets glabrous. Leaves obovate-lanceolate or elliptic, 5 ~ 15cm, width of 4 ~ 6.5cm, apex acuminate, base cuneate; entire or with a wave of small glandular teeth, glabrous on both sides, lateral veins 5 to 7 on the in the dorsal processes, petiole length 1 ~ 4cm. Flowers small, single-sex, no flap, dioecious, racemose panicles composed by a number, dry life. Fruit spherical, diameter 2.5 ~ 3cm, peel purple and white are two types of two-color, peel thickness of 0.3 ~ O. 6cm, with short hair. 1 to 3 seeds, seed length 1 ~ 1.3cm, width 0.9 ~ l_2cm, the flesh around the seeds attached to white, fruit Pickle, average weight l1.1 ~ 14.4g, seed weight 380 ~ 400g. 2 Growth in August 1990 adopted the same fruit, the seeds removed, wash the nursery. When the first true leaves grow,[link widoczny dla zalogowanych], the shift of people nutrition bag. To April 25 next year, 8 months seedling growth, milk, fruits and white wood wooden milk Purple fruit plant height were 15.3 and 17.9cm, diameter of 0.39 and 0.44cm. The average monthly growth from seedling to see, two types of milk and fruit trees small amplitude height growth, stem diameter growth rate of close. 3, the growth of young trees planted in June 1991, 1O years later (December 2001) observations, 1O years of planting fruits and white wood Purple wood milk milk are two types of fruit trees were 6.15 and 6.75cm high diameter were 7.94 and 9.19cm. Two types of milk and fruit trees with high growth, stem diameter growth rate difference between the small. 3 years after planting the tree height and stem diameter growth rate faster, 1O years basically stable growth. 4 milk, fruit trees flowering plant bear fruit after 6 years, in early February to late February budding, flowering in early March, early March to early April full bloom, in April the young fruit early to mid-July, 7 mid and late fruit ripening. 5.1 5 seed breeding breeding methods after harvest fruit, remove the peel and flesh, set stripped of the testa and testa do not peel the two treatments, and live in the sand bed or sandbox. The results shows that the testa is not stripping the 16 day of germination, germination rate was 68. Stripped of the testa of the 9 days began to germinate, germination rate of 86 ~ 94. 5.2 Cutting of branches with a biennial or perennial, divided into two groups, respectively ABT rooting powder and NAA 500,1000,1500 mg 1 / L treatment. After the first buds and produce better callus, but has not taken root. Remains to be further studied. 5.3 The biennial election robust high breeding pest-free branches, girdling width 2cm,[link widoczny dla zalogowanych], depth and xylem, 1 hour after the ringing at the dip rooting powder 1000mg / L, external tissue moisture, mud and then wrapped in ringing Department, and then withdrawn on the outside of carbofuran in the mud to prevent termites and other pests, topical films tied at both ends after a good tight package, 35 days after callus formation, 4O natural roots, 6O days to cut out the transplant. Received :2002-1O-12
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