5种北美栎树在我国长三角地区的引种生长表现
Growth Performances of Five North Ameirican Oak Species in Yangzi River Delta Of China
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摘要: 从美国东南部引进属于红栎组的纳塔栎、舒玛栎、水栎、柳叶栎和属于白栎组的弗栎,在我国长江三角洲平原地区多个地点和不同土壤类型条件下进行造林研究。采用1 2年生裸根苗经长途运输后进行栽种,纳塔栎、舒玛栎和水栎成活率达94%以上,柳叶栎为76% 81%,弗栎仅42% 50%。不同树种之间,幼年阶段的根系发育、枝梢生长习性、秋冬叶色变化和虫害状况存在明显差异。在3 6个地点水稻土上建立的前4种栎树人工林,8 10 a后在保留密度900 1 500株·hm-2条件下,其年均径生长量和年均高生长量达到0.96 1.76 cm和0.8 1.33 m。在山坡红黄壤地上栽种的纳塔栎、舒玛栎和柳叶栎,其年均径生长量和年均高生长量分别为0.64 1.01 cm和0.57 0.78 m。采用2 4年生带土弗栎苗在6个地点滨海盐土上造林的成活率达87%以上,在保留密度1 110 3 900株·hm-2条件下,其7 9 a林木年均径生长量和年均高生长量分别为0.78 1.13 cm和0.59 0.75 m。当树龄达6 9 a时,5种栎树均开始结实。研究表明,5种北美栎树在长江三角洲地区有较强的适应性,水栎、纳塔栎、舒玛栎、柳叶栎可以应用于平原地区生态景观林和城镇园林绿化建设,而弗栎在沿海防护林建设中具有推广前景。Abstract: Four red oak species including Nuttall oak (Quercus nuttallii), Shumard oak (Q. shumardii), Water oak (Q. nigra), Willow oak (Q. phellos) and one white oak species, Live oak (Q. virginiana) from Southern USA were introduced for establishing plantations at different sites and soil types in Yangtze River Delta of China. When 1-or 2-year-old bare-root seedlings were planted after a long distance of transportation, the survival rates of Nuttall oak, Shumard oak, and Water oak were higher than 94%, while the survival rates of Willow oak and Live oak were 76% 81% and 42% 50% respectively. Obvious differences existed among species in root and shoot growth habits, phenology and pest occurrence at young stage. For the four red oak plantations established on paddy soil, the mean annual DBH increments and height increments after 8 10 years ranged from 0.96 to 1.76 cm and 0.8 to 1.33 m with the reserved density of 900 1 500 trees per hectare. But the mean annual DBH increments and height increments of stands on hill with red-yellow soil ranged from 0.64 to 1.01cm and 0.57 to 0.78m, respectively. The Live oak stands planted with 2-to 4-year-old seedlings with clod-ball on coastal saline soil had a survival rate of higher than 87%, and the mean annual DBH increments and height increments at the age of 7 9 were 0.78 1.13 cm and 0.59 0.75 m respectively with the density of 1 110 3 900 trees per hectare. All the trees of the 5 oak species begun to bear fruit at the age of 6 9. The research showed that the 5 oak species had good adaptability to natural conditions in Yangtze River Delta. Water oak, Nuttall oak, Shumard oak and Willow oak can be applied for construction of plain landscapes and ecological stands, and Live oak has broad prospects for coastal protective forest.
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Key words:
- North American oaks
- / adaptability
- / plantation
- / growth
- / fruit-bearing
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[1] Smith D W. Oak regeneration: the scope of problem [C]//Loftis D L, McGee C E. Oak regeneration: serious problems, practical recommendations. Symposium proceedings, Knoxville, Tennessee, September 8-10,1992. Asheville, NC: U. S. Department of Agriculture, Forest Service, Southeaster Forest Experiment Station, 1992: 40-52 [2] 冯国楣, 周 俊, 翟 平, 等. 橡子[M]. 北京: 科学出版社, 1966 [3] 中华人民共和国林业部森林经营司森林副产处. 木本粮油植物[M]. 北京: 农业出版社, 1965 [4] 王豁然, 江泽平. 论中国林木引种驯化策略[J]. 林业科学, 1995, 31(4): 367-371 [5] 彭焱松, 陈 丽, 李建强. 中国栎属植物的数量分类研究[J]. 武汉植物学研究, 2007, 25(2): 149-157 [6] 江泽平, 王豁然, 吴中伦. 论北美洲木本植物资源与中国林木引种的关系[J]. 地理学报, 1997, 52(2): 169-176 [7] 潘志刚, 游应天. 中国主要外来树种引种栽培[M]. 北京: 北京科学技术出版社, 1994 [8] 汪企明, 李晓储, 黄利斌, 等. 美国栎属种源引种、变异研究: 种子及苗期生长变异[J]. 江苏林业科技,1999, 26(1): 1-6 [9] 黄利斌, 李晓储, 朱惜晨, 等. 北美栎树引种试验研究[J]. 林业科技开发, 2005, 19(1): 30-34 [10] 汪贵斌, 曹福亮, 汪企明. 不同柳叶栎种源生长性状的测定与分析[J]. 林业科技开发, 2008, 22(3): 18-20 [11] 陈益泰, 陈雨春, 黄一青, 等. 抗风耐盐常绿树种弗吉尼亚栎引种初步研究[J]. 林业科学研究, 2007, 20(4): 542-546 [12] Brockmen C F. Trees of North America, a guide to field identification[M]. New York: St. Martin's Press, 2001 [13] Burns R M, Honkala B H. Silvics of North America Vo1.2: hardwoods. Agriculture handbook No.654[M]. Washington, DC: USDA Forest Service, 1990 [14] 中国科学院上海植物生理研究所, 上海植物生理学会. 现代植物生理学实验指南[M]. 北京: 科学出版社, 1999 [15] 张晓磊. 几种南方栎类树种耐涝性研究 [D]. 泰安: 山东农业大学, 2010 [16] 王树凤, 陈益泰, 孙海菁, 等. 盐胁迫下弗吉尼亚栎的生长和生理生化变化[J]. 生态环境, 2008, 17(2): 747-750 [17] 王树凤, 孙海菁, 陈益泰, 等. 模拟干旱胁迫下弗吉尼亚苗木叶片相关生理参数的分析[J]. 南京林业大学学报: 自然科学版, 2011, 35(6): 6-10 [18] 王树凤, 胡韵雪, 李志兰, 等. 盐胁迫对弗吉尼亚栎生长及矿质离子吸收、运输和分配的影响[J]. 生态学报, 2010, 30(17): 4609-4616 [19] Kennedy H E, Jr. Artificial regeneration of bottomland oaks [C]//Loftis D L, McGee C E. Oak regeneration: serious problems, practical recommendations. Symposium proceedings, Knoxville, Tennessee, September 8-10,1992. Asheville, NC: U. S. Department of Agriculture, Forest Service, Southeaster Forest Experiment Station, 1992: 241-249 [20] Batista W B, Platt W J. Tree population responses to hurricane disturbance: syndromes in a south-eastern USA old growth forest[J]. Journal of Ecology, 2003,91(2): 197-212
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