不同品种和经营措施对泡桐生长量的影响
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庞宏东(1977~),男,助理研究员,主要从事森林培育、植物分类等相关工作。

通讯作者:

李玲为通讯作者

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S792. 26

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“十四五”国家重点研发计划项目“北亚热带低山丘陵区速生抗旱泡桐新品种选育”(2022YFD220030503);中央财政林业科技 推广示范资金项目“橄叶泡桐高干良材培育技术推广示范”(部[2022]TG04号)。


Effects of Different varieties and Management Measures on Growth of paulownia Trees
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    摘要:

    为筛选出最适宜湖北低山丘陵区种植的泡桐品种及最佳经营措施,在湖北省京山市虎爪山林场采用三因素试验 设计研究不同品种、密度、造林模式及其互作效应对泡桐生长的影响 。结果表明:①品种对泡桐生长量影响最大,6中桐1 号,(C1)在所有品种中表现最为优良,其次为 601-23,(C3)品种 。②随着林龄的增加,不同造林密度和造林模式间泡桐生长 量逐渐趋于 一致,各生长指标无显著影响;在幼林期,不同造林密度、造林模式、品种及其互作效应对泡桐胸径、单株材积生 长有显著影响,但随着林龄的增长,仅有造林密度和造林模式表现出较强的互作效应 。 因此,在湖北低山丘陵区可优先选 择 6中桐1号,和 601-23,号泡桐品种进行推广种植。

    Abstract:

    To screen the most suitable varieties of paulownia and the best management measures for planting in the hilly areas of Hubei province . The three factors were used to study the effects of different varieties,density,afforestation model and their interaction on the growth of paulownia trees in the Huzhao Mountain Forest Farm of Jingshan city,Hubei province . The results showed that:①varieties had the greatest effect on the growth of paulownia trees,and the variety of 6zhongtong1st,(c1)showed the best performance among all varieties,followed by the variety of 601- 23,(c3). ②The growth of paulownia tree gradually tends to be the same among different afforestation density and afforestation models, and the growth index has no significant effect,with the increase of forest age . At the young stage,different afforestation densities,afforestation models,varieties and their interaction effects had significant differences on DBHand individual volume growth of paulownia,among which varieties had the largest effect on the growth of paulownia with extremely significant differences(p<0. 01). But with the growth of standing age,only the afforestation density and afforestation model showed strong interaction effects . Taking all factors into consideration,the varieties of c1and c3can be preferen- tially selected for promotion and planting in the hilly areas of Hubei province .

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庞宏东 李 玲 黄 颖 王瑞文 张荣洋 朱波涛.不同品种和经营措施对泡桐生长量的影响[J].湖北林业科技,2024,1(1):1-5

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  • 收稿日期:2023-07-31
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  • 在线发布日期: 2024-04-09
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