Yang's thesis catalogue

Duan Kexiang, Yang Haiqiang *, Ran Keqiang, You Shizhong, Zhao Haizhong, Jiang Qingqiang. 2009。 Characteristics of a new stress response member in Pingyi sweet tea MAPK family. Reporter of Plant Molecular Biology, 27: 69-78

Gao Haijun, Yang Haiqiang *, Wang Jianxing. 2009。 Arginine metabolism in apple roots and leaves. ): Tissue-specific formation of nitric oxide and polyamines. Horticultural Science,119 (2):147-152

Xiaojun Han, Yang Haiqing *, Duan Kexing, Zhang Xiaorui, Zhao Haizhong, You Shizhong, Jiang Qingqin. 2009。 Sodium nitroprusside promotes the proliferation and regeneration of begonia hupehensis in vitro. Plant cell, tissue and organ culture. 96: 29-34

Catalogue of papers in 2008

Fan Weiguo, Yang Haiqing *. 2008. Effects of biological regulators on root architecture of Pingyi sweet tea under different phosphorus conditions. Acta Hort。 (ISHS) 774: 195-202

Fan Weiguo, Yang Haiqing *. 2008. Effects of phosphorus absorption on root architecture of apple seedlings under hydroponic conditions. Journal of horticulture. 767:423-428

Fan Weiguo, Yang Haiqing *. 2008. Root architecture of apple trees under different soil conditions. Acta Hort。 767:4 17-422

Xie Yulin, Yang Haiqing *, Zhang Lizhong, Luo Xiaosheng. 2008。 Root pruning and adjustment of soil water content affect the water use efficiency of apple leaves. Acta Hort。 (ISHS) 767:345-350

Yang Haiqing, Xie Yanlin, Li Jun, Shu Hairui. 2008。 Effects of biological regulators on calcium absorption and kinetics of apple rootstock roots. Acta Hort。 (ISHS) 774:259-264

Yang haiqiang, Duan kaixuan, Biology and physiology of begonia hupehensis as apomixis plant resources in 2008. Acta Hort。 (ISHS) 769:44 1-447

Luan Yuling, Yang Haiqiang *, Zhang Lizhong, Luo Xiaosheng. 2008。 Diurnal variation of leaf water use efficiency of six fruit trees. Journal of Horticulture, 767: 379-386

Luan Yuling, Yang Haiqiang *, Zhao Haizhong, Zhang, Li Deqiang. 2008。 Biological regulators promote proline accumulation in apple leaves. Journal of Horticulture, 774: 237-242

Zhao Haizhong, Yang Haiqing *. 2008. Exogenous polyamines alleviate lipid peroxidation of Pingyi sweet tea under cadmium chloride stress. Horticultural Science, 1 16(4): 442-447

Gao Huajun, Yang *, Zhang Wei. 2008. The role of nitric oxide in the formation of lateral roots of Pingyi sweet tea seedlings induced by indolebutyric acid. Journal of Horticultural Science, 35 (2): 157- 162.

Gao Huajun, Yang, Du Fangling, Zhao Haizhou. Changes of arginine and nitric oxide contents during the growth of Pingyi sweet tea seedlings in 2008. Journal of Plant Nutrition and Fertilizer, 14(4): 774-778.

, Yang, *. 2008. Effects of high temperature on bioluminescence and energy metabolism of Pingyi sweet tea seedlings. Journal of Horticulture 35 (1): 99- 102.

Han, Yang *, You, Duan Kaixuan, Zhang Xinrong, Zhao Haizhou. 2008. Adventitious bud regeneration of Pingyi sweet tea leaves and the effect of NO. Journal of Horticultural Science, 35 (3): 4 19-422

Xie Yuling, Zhang Wei, Yang *. 2008. Effects of organic matter on proline and water use efficiency of apple leaves. transactions of the chinese society of agricultural engineering

Ma Huaiyu, Yang *. 2008. Research progress of caspase in programmed cell death in plants. Journal of Northwest Botany. 28 ( 12): 2564-2570。

Shen Weibao, Yang, *, Shen Jie, Qiao Haitao. 2008. Effects of earthworm and EM on cadmium adsorption-desorption in orchard soil and cadmium content in apples. Journal of Horticulture, 35 (11):151-1566.

Shen Weibao and Yang *. 2008. Effects of Earthworms and Microorganisms on Soil Nutrients and Heavy Metals. China Agricultural Sciences 2008,41(3): 760-766.

, Yang *, Wei Shaochong, Xu, Zhang Xinrong, Duan Kaixuan. 2008. Cloning and expression of a new root dilating protein gene mhexp 1 cDNA sequence from Pingyi sweet tea. China Agricultural Sciences, 41(5):1548-1553.

Yang, Xie Yuling. Current situation of organic agriculture in the world and development strategy of organic horticulture in China. Journal of Horticultural Science, 35 (3): 447-454

Yang. 2008. Production characteristics of organic fruits and advantages of developing organic fruits in China. Shandong Provincial Party Committee Rural Work Leading Group Office, etc. Editor: Innovation and Development of Modern Agriculture-Proceedings of China-Japan Forum on Modern Agricultural Innovation.

, Yang, *. 2008. Dioxygenase for cutting carotenoids and its physiological function. Journal of Northwest Botany, 28 (3) 630-637.

Zhang Xinrong, Yang *, Sui Jing, Qiao Haitao, Jiang, You,. 2008. Protective effect of calcium treatment on cadmium damage in grape roots. Journal of Horticultural Science, 35 (10):1405-1465438+

Catalogue of papers in 2007

Fan Weiguo, Yang *. 2007. Effects of nutritional deficiency on root architecture of Pingyi sweet tea seedlings. Under artificial culture medium. China Agricultural Sciences, 6(3):296-303.

Duan Kaixuan, Yang *. 2007. Effects of nitric oxide on active oxygen metabolism of Pingyi sweet tea seedlings under copper and cadmium stress. Bulletin of Agricultural Sciences of China, 23 (10):104-109.

Fan Weiguo, Yang *, Han. Changes of root architecture and phosphorus absorption characteristics of Pingyi sweet tea under low phosphorus stress in 2007. Journal of Horticulture, 34 volumes, 6 issues: 134 1- 1346.

Fan Weiguo, Yang *. 2007. Effect of nutrient deficiency on root architecture of Pingyi sweet tea seedlings cultivated in artificial substrate. China Agricultural Sciences, 40 (1):161-166.

Ma Huaiyu, Xiao Jing, Yang. *.2007。 Mitochondrial characteristics and cell death of Malus hupehensis root system under water stress. Journal of Horticultural Science, 34 (3): 549-554.

Qiao Haitao, Yang *, Fan Weiguo, 2007. Changes of nitrate reductase activity and nitrate nitrogen content in roots of Pingyi sweet tea under element deficiency environment. Bulletin of Agricultural Sciences of China, 23 (10):114-165438.

Yang, Gao Huajun. 2007. Physiological functions of plant arginine and its metabolites. Journal of Plant Physiology and Molecular Biology, 33 (1): 1-8.

Catalogue of papers in 2006

Li Jiayang Hong Qiang *, Yan Tian-Li Shuhuai Rui. Effects of indolebutyric acid on calcium transport during storage of mulberry seedlings in Hubei Province. China Agricultural Sciences, 5( 1 1):834-838.

Fan Weiguo, Yang, *, 2006. Root architecture of fruit trees and its relationship with nutrition and hormones. Journal of Fruit Science, 23 (4): 587-592.

Xie Yuling, Zhao Haizhou, Zhang Wei, Yang *, Li Dequan. Effects of betaine on ultra-weak luminescence and antioxidant capacity of begonia hupehensis under drought stress. Acta applied ecology, 17 (12): 2394-2398.

Liu, Yang, 2006. Calcium messenger system participates in POD activity of Pingyi sweet tea induced by oxalic acid. Journal of Plant Pathology, 36 (2): 158- 162

Liu, Yang *, Zhang Wei, Ma Fangfang. 2006. Effects of salicylic acid on active oxygen metabolism and ultraweak luminescence of Malus hupehensis. Journal of Horticulture, 33 (1):18-121.

Ma Fangfang, Yang, *, 2006. Regulation of phosphorus on H+-ATPase activity of plasma membrane in roots of Pingyi sweet tea, Shandong Agricultural Sciences, No.4, 2006, 17- 19.

Ma Huaiyu, Yang *. 2006. Effects of exogenous H2O2 on mitochondrial membrane permeability and nuclear DNA of Begonia hupehensis root system. Journal of Plant Physiology and Molecular Biology, 32 (5): 55 1-556.

Yang, 2006, organic agriculture promotes the construction of new socialist countryside. Jiu San Society Forum —— Essays on New Rural Construction and Harmonious Society (edited by the Central Social Service Department of Jiu San Society, ISSN 1000-6850), 2006,317-319.

Zhang Wei, Yang *, Yu Ling, Zhao Haizhou, Zhang Xinrong. 2006. Induced effects of abscisic acid, salicylic acid and oxalic acid on proline in apple leaves. Journal of Horticulture, 33 (6):1175-1178.

, Lu, Yang, *. In 2006, the distribution characteristics and accumulation law of copper and cadmium in young apple trees were studied. Journal of Horticultural Science, 33 (1):11-14.

Yang, *, Li Fujun, 2006. Response of ultra-weak luminescence, ethylene release and respiration jump of apple fruit to 1-MCP. Journal of China Food, 6 (2): 63-66.

Catalogue of papers in 2005

Fan Weiguo, Yang *. 2005. Nutrient distribution of apple trees under different soil conditions. In: Plant Nutrition and Food Safety, Human Health and Environmental Protection, edited by Li Zhijun, Zhang Fengsheng and Duberman. Tsinghua University Publishing House, 1036- 1037.

Yang Hong-Qiang. 2005. Develop organic horticulture and promote the sustainable development of horticultural production. Journal of China Association for Science and Technology, 2( 1): 377-384.

Qiang, Ling, Guo, Zhang Wei, Huang Tiandong. 2005. Effects of nitrogen and auxin on apple root architecture. See: Zhu Zhaoling, Sheng, Xing Gui, editor-in-chief, contribution to the Third International Nitrogen Conference, American Science Press, 242-246.

Yang Hongqiang, Yu Jieling, Li Zhengming, Seong-min Choi. 2005。 Effects of indolebutyric acid and rootstock on mineral elements in cucumber xylem juice. In: Plant Nutrition and Food Safety, Human Health and Environmental Protection, edited by Li Zhijun, Zhang Fengsheng and Duberman. Tsinghua University Publishing House, 254-255.

Yang, Li Jia, Xie Yuling. 2005. Regulation of biological regulators on calcium absorption and Ca-ATPase in apple trees. In: Plant Nutrition and Food Safety, Human Health and Environmental Protection, edited by Li Zhijun, Zhang Fengsheng and Duberman. Tsinghua University Publishing House, 322-323.

Yang Hongqiang, Yu Ling. 2005. Calcium absorption and transport by plants. Plant Physiology and Molecular Biology, 3 1(3):227-234

Yang Hongqiang, Li Zhengming. 2005. Effects of grafting and indolebutyric acid on NO content and root activity of cucumber. See: Zhu Zhaoling, Sheng, Xing Guangxi, ed., Contributed to the Third International Nitrogen Conference, American Science Press, 247-253.

Jiang Lin, Yang, Liu, Shu Huairui. 2005.4-(2 '- furyl) aminopyrimidine derivatives synthesis and their physiological activities. Chemical research and application, 17 (2): 228-229.

Liu, Yang. β -aminobutyric acid induced enzyme activity and ultraweak luminescence of Malus hupehensis. Shandong Agricultural Sciences, 2005, 4: 7- 1 1.

Yang, Xie Yuling, Angel Li, Jia Wensuo, Zhang Dapeng. 2005. Signal transduction pathway of abscisic acid synthesis in apple roots induced by water loss. China chinese bulletin of botany (Special Issue): 8 1.

Yang. 2005. Developing Organic Horticulture and Promoting the Sustainable Development of Horticultural Production, Bulletin of China Agricultural Science (Special Issue): 27 1-275.

Yang. 2005. Absorb the essence of tradition-promote the sustainable development of agriculture with organic agriculture. Deng Nan: Sustainable Development: Economy and Environment (I). Tongji University Press, P583-587.

, Luke, Wang Hongwei, Yang *, Feng, Yang Jihua.2005. Effects of heavy metals and bio-organic fertilizers on soil microorganisms in apple root zone. Journal of Soil and Water Conservation. 19 (2): 92-95.

Catalogue of papers in 2004

Qiang, Ling, Lock, Zhang Dapeng, Zhang Zhijun, 2004. Signal cascade from water loss to abscisic acid accumulation in apple roots. Acta Hort。 (ISHS) 636:22 1-226

Qiang, Ling, Cui Minggang. In 2004, the effects of indolebutyric acid on calcium absorption and calcium ATPase activity in apple roots and its ultrastructural cytochemical localization. Acta Hort。 (ISHS)636:2 1 1-2 19

Yang Hongqiang, Li Zhengming. 2004. Calcium Absorption and Transportation by Horticultural Plants, Research Center of Institute of Life Sciences; Resource kyung hee university, 23:49~63

, Zhai Heng, Yang, Shu Huairui, 2004, Effects of 1-MCP on Postharvest Senescence of Feicheng Peach, journal of fruit science, 2 1(3): 272-274.

, Zhai Heng, Yang,. 2004. Effects of1-MCP on ethylene synthesis and metabolism of apple fruits during storage, China Agricultural Sciences, 37(5):734-738.

Angel lee, Yang *, Yan Bin, Shu Huairui. In 2004, indolebutyric acid activated Ca2+-ATPase, acta plant physiology and molecular biology in roots of Pingyi sweet tea through protein phosphorylation, 30(4): 449-454.

Xiao Jing, Yang *. 2004. Physiological and biochemical mechanism of differentiation and formation of plant vessel molecules. Plant physiology communications, 40 (2):141-146.

Yu, Yang *, Liu. 2004. Effects of chitosan on physiological and biochemical characteristics of cucumber budding seeds and seedlings. Journal of Shandong Agricultural University, 35( 1):47-50.

Yang *, 2004, the relationship between ultra-weak luminous intensity and fruit jumping during apple ripening, Journal of Agricultural Machinery, 35(6): 2 15-2 17.

Yang *, 2004, Ultra-weak luminescence of chloroplasts and mitochondria in plants, Plant Physiological Communication, 40 (1):1-114.

Yang *, Li Fujun, Zhang Wei, 2004, Ultra-weak luminescence and changes of ATP and reactive oxygen species during apricot blossom opening, Journal of Plant Physiology and Molecular Biology 30( 1): 4 1-44.

Yang *, Li Fujun, 2004, Ultra-weak luminescence of apple seedlings and changes of some physiological characteristics under water stress, Acta Botanica, 24(4): 720-724.

Catalogue of papers in 2003

Li Fujun, Zhai Heng, Yang Hongqiang, Zhang Xinhua, Shu Huairui, Zhou Jie. Effects of1-MCP on ethylene synthesis and metabolism of apples during storage. China agricultural sciences, 2 (1):1259-1265.

Yang, Xie Yuling, Liu Leiqin, Tan. 2003. Regulation of abscisic acid and its biosynthesis inhibitor on pomegranate pollen germination and pollen tube growth. Journal of Horticulture, 620:209-2 13

Gao Zhaoquan, Wei, Yang. 2003. Water storage capacity of different parts of peach trees, plant physiology communications, 39(5): 429-432.

Gao Zhaoquan, Wei,, Yang *. 2003. Research progress of apoptosis and its application in agriculture. Journal of Shandong Agricultural University, 34 (1):129-133.

Yang, Zhai Heng, Shu Huairui. 2003. 1- Mechanism of delaying fruit senescence, Acta Horticultural, 30 (3): 36 1-364.

Xiao Jing, Yang. 2003. Physiological mechanism of calcium delaying fruit senescence and softening, correspondent, plant physiology communications, 39(4), 380-383.

Yang, Xie Yuling. 2003. Plant MAPK and its role in pathogen signal transmission, Journal of Plant Pathology, 33 (1): 8- 13.

Yang and Liang. 2003. CDPK in higher plants and its physiological and biochemical functions, Journal of Shandong Agricultural University, 34 (2): 284-288.

Yang, Qi. 2003. Study on Calcium Absorption Kinetics of Apple Rootstock, Acta Horticultural, 30 (3): 253-256.

Yu, Yang 2003. Plant Lignin and Its Physiological Function, Journal of Shandong Agricultural University, 34 (1):124-128.

, Yang, *. 2003. Biological Activities and Agricultural Applications of Chitin and Its Derivatives, chinese bulletin of botany, China, 20 (2): 178- 183.

, Yang, *, Li Fujun. 2003. Ultra-weak luminescence during fruit softening of Feicheng Fotao and its relationship with ethylene release, Journal of Plant Physiology and Molecular Biology, 29 (4): 353-356.

, Yang,. 2003. Ultra-weak luminescence of plants. Journal of Shandong Agricultural University, 34 (4): 605-608

Catalogue of papers in 2002

Yang. Shu Huairui .. 2002. Research progress of apple root physiology. In: Shandong. Agricultural university (editor. ), Proceedings of the International Apple Symposium, 287~294

Yang, Xie Yuling, Cui Minggang, Luo Xinshu, 2002. Effects of root cutting and pruning on photosynthetic transpiration and WUE of potted apple leaves, Acta Horticultural, 29 (3): 197 ~ 202.

Yang, Xie Yuling. 2002. Abscisic acid synthesis defects and reaction-sensitive mutants in plants. Life science, 14 (1): 20 ~ 22

Yang, Yang, Angel Li,,, Xiao Jing. 2002. Regulation of plant growth substances on calcium absorption of apple roots. China Youth Agricultural Science Annual Report,

Yang, Yu Mei. 2002. Develop "green pollution-free food" and break through "green trade barrier". Annual Report of China Youth Agricultural Science

Yu, Yang, Zhao Fugeng, Zhai Heng. 2002. Regulation of programmed cell death in plants. Plant physiology communications, 38 (5): 493 ~ 499.

200 1 paper catalogue

Xie Yuling, Yang, Cui Minggang, Luo Xinshu. Relationship between soil water content and water use efficiency of apple leaves. Journal of applied ecology, 12 (3: 705 ~ 7 10.

Yang, Li and Li Jun. Plant's recognition of soil drought and the generation and transmission of adversity messengers. Research on Soil and Water Conservation, 8(3):72~76.

Yang, Jia Wensuo, Huang, Zhang Dapeng. Protein phosphorylation is involved in ABA accumulation in Malus hupehensis roots induced by water stress. Science bulletin, 46 (1): 50 ~ 53.

Yang, Jia Wensuo, Huang, Zhang Dapeng. Identification and transmission of water stress signals in plants. Plant physiology communications, 37 (2): 149 ~ 154.

Yang, Xie Yuling, Li Jun. Regulation of fruit tree roots on shoot and its relationship with water use efficiency, Journal of Horticulture, 28 (Supplement): 603 ~ 608.

Yang, Xie Yuling, Li. 200 1. Root limitation of horticultural plants and its application. Journal of Horticulture, 200 1, 28 (Supplement): 603 ~ 608.

Yang, Yu Ling, Shu Huairui. Induction and Regulation of Urea, IBA and Organic Materials on New Roots of Young Apple Trees, China Agricultural Science, 34 (1): 5 1 ~ 55.

Yang, Xie Yuling. 200 1. Research progress of abscisic acid biosynthesis and signal transduction in higher plants, Journal of Huazhong Agricultural University, 20 (1): 92 ~ 98.

Yang, Liang Xiaoe. 200 1. protein kinase and plant stress signal transduction pathway. Plant physiology communications, 37 (3):185 ~191.

Yang and Li Jun. Oxalic acid and ferrous sulfate can induce disease resistance in apple trees. Proceedings of the 9th Annual Conference of China Horticultural Society.

Zhai Heng, Guan, Zhao Jinbiao, Li, Yang. 200 1. Dominant species of grape rhizosphere nematodes and their harm. Grape and wine at home and abroad, 200 1 (2): 2 1-23.

, Yang, Lu Keguo. Study on pollination characteristics of several new pear varieties. Research on Soil and Water Conservation, 8 (3): 82-83, 105.

, Yang, Lu,. 200 1. Effect of early flower thinning on early development of pear fruit. Research on Soil and Water Conservation, 8 (3): 93-94, 124.

Papers before 2000

Yang, Jia Wensuo, Zhang Dapeng, 2000, Relationship between lipoxygenase activity and ABA accumulation in roots of Pingyi sweet tea under water stress. Acta Botanica, 42 (3): 244 ~ 248.

Yang, Jia Wensuo, Zhang Dapeng. 2000. Effects of water loss on ABA content and protein kinase activity in new roots of apple. Journal of Horticulture.27 (2): 79 ~ 84.

Zhai Heng, Guan, Zhao Jinbiao, Hao, Yang. 2000. The response of Vitis amurensis and Vitis amurensis to root-knot nematode infection in southern China. Journal of Horticulture, 27 (3): 182 ~ 186.

Yang, Xia and Xie Yuling. 1998. Research progress of carbon assimilate metabolism in horticultural plants. Journal of Shandong Agricultural University, 30 (3): 307-3 1 1.

Yang, Xia, 1998. Effects of 2,4-D and girdling on root activity and polyamine content of apple. Journal of China Agricultural University, 3(5): 196~ 198.

Xia, Song, Sun, Yang,. 1998. Research progress on hormone regulation of loading and unloading of carbon assimilates in higher plants. Journal of Henan Agricultural University.33 (2)

Yang, Xie Yuling. 1997. Effect of spermine on apple pollen germination and fruit setting. China Fruit, 4: 23-24.

Yang, Huang Tiandong. 1996. Effects of polyamines and arginine on apple root system. Chinese bulletin of botany, China. 13( 1):5 1~53.

Yang, Xie Yuling, Huang Tiandong, Shu Huairui. 1996. Study on nitrogen metabolism and film mulching effect of young apple root system in wintering period. Journal of Horticultural Science, 23 (4): 329 ~ 333.

Yang, Xie Yuling, Huang Tiandong. 1996. Study on nitrogen metabolism and film mulching effect of young apple root system in wintering period. Journal of Horticultural Science, 23 (4): 329 ~ 333.

Yang, Xie Yuling. 1996. the relationship between polyamines and the growth and development of fruit trees. Journal of Shandong Agricultural University, 27 (4): 5 14-520.

Yang, Huang Tiandong, Shu Huairui, Xie Yuling. 1996. Effects of auxin on hairy roots and mineral elements content of young apple trees. Journal of Northwest Agriculture, 5 (2): 95-96.

Yang, Huang Tiandong, Shu Huairui. 1995. Effects of 2,4-d on new roots and ultrastructure of apple. Journal of Horticulture, 22( 1):88~9 1

Yang, Huang Tiandong, Shu Huairui. 1995. Effects of exogenous IBA and PAs on new root formation, polyamines and nucleic acid content of young apple trees. Journal of Horticultural Science, 22(2): 123~ 126.

Yang, Xie Yuling, Leng Shouci. 1995. Preliminary study on production technology of pollution-free fruits. China fruit, 1995(4):40-42.

Yang, Wang. 1995. Relationship between polyamines and fruit growth and development of horticultural plants. Chinese bulletin of botany, China, 12: 68~72.

Yang, Xie Yuling. 1995. Study on the characteristics of endogenous auxin and its oxidase in new roots of apple. Proceedings of the Second Annual Youth Academic Conference of China Association for Science and Technology.

Yang, Huang Tiandong, Shu Huairui, Xie Yuling. 1995. Effects of water stress on endogenous polyamine levels in young apple trees. Journal of Northwest Agriculture, 4 (3): 93-94.

Yang, Huang Tiandong, Shu Huairui. 1994. Effects of water stress on polyamines and proline contents in apple roots. Journal of Horticultural Science. 2 1(3):295~297.

Yang, Huang Tiandong, Shu Huairui. 1994. Dynamic study on annual production of endogenous polyamines in new roots of apple. Journal of Horticultural Science. 2 1 (2): 145 ~ 149.

Yang. 1994. Metabolic changes of polyamines and nucleic acids in apple leaves at the turn of spring and summer. Proceedings of the First Youth Seminar of China Horticultural Society.

Leng Shouci, Han Xiangming, Yang, Luo, Yu Xianchang, Chen. 1994. Structure and function analysis of layered eco-agricultural system. Research on Soil and Water Conservation, 1(2): 64-73.

Li Desheng, Yang, Wu, Han Xiangming, Sun,. 1994. Structure and function analysis of comprehensive utilization eco-agricultural system. Research on Soil and Water Conservation, 1(2):74-82.

Han Xiangming, Wu, Yang, Hou, Qi Jiasheng. 1994. Structure and function analysis of circular eco-agricultural system. Research on Soil and Water Conservation, 1(2):83-95.

Li Desheng,,, Yang, Xu Munong,. 1994. Study on soil and water conservation benefits of forest vegetation in Wopu mountain area and ways to develop and utilize resource plants. Study on Soil and Water Conservation, 1(2):96- 109.

Yang, Huang Tiandong. 1993. Effects of gibberellin and paclobutrazol on endogenous free polyamine accumulation in apple leaves. Journal of Shandong Agricultural University (Natural Science Edition) 24 (2): 143- 148.