闽楠混交林造林当年生长评价OA
Growth Evaluation of Phoebe bournei Mixed Forest in Afforestation Year
对闽楠(Phoebe bournei)不同混交比例和混交树种造林当年生长情况进行调查和分析.结果表明,闽楠混交造林当年平均成活率为 98.04%,较纯林高出 4.04%;混交树种木荷(Schima superba)和毛红椿(Toona ciliata var.pubescens)的造林成活率均达100%,高于杉木(Cunninghamia lanceolata)和枫香(Liquidambar formosana).与其它混交模式比较,闽楠∶毛红椿=3∶1 的混交模式中,闽楠、毛红椿的地径、最大冠幅、树高、SPAD 均最大,闽楠分别达 17.22 mm、76.50 cm、129.47 cm、41.10,较总平均值提高 16.59%、34.78%、11.12%、8.50%,较对照提高 31.85%、57.73%、20.55%、3.68%;毛红椿分别达44.52 mm、148.40 cm、207.03 cm、57.21,较总平均值提高 103.85%、61.20%、65.61%、19.06%.不同混交模式对闽楠及其混交树种造林成活率、各树种的地径、最大冠幅、树高、枝下高、SPAD 的影响均达到极显著水平.闽楠成活率、树高与其混交树种的成活率、树高呈极显著相关,相关系数分别达0.70、0.76;综合评价得出,闽楠∶毛红椿=2∶1 或 3∶1,闽楠∶木荷=2∶1 或 1∶1,闽楠∶杉木=2∶1 这 5 种混交模式的当年长势较好,可作为闽楠混交造林初期的主栽模式.
The growth of Phoebe bournei in different mixed ratios and mixed tree species in the afforestation year was investigated and analyzed.The results showed that the average survival rate of P.bournei in different mixed modes was 98.04%,which was 4.04%higher than that of P.bournei pure forest.The afforestation survival rate of mixed tree species Schima superba and Toona ciliata var.pubescens reached 100%,which was higher than that of Cunninghamia lanceolata and Liquidambar formosana.The ground diam-eter,maximum crown width,tree height and SPAD of P.bournei and its mixed tree species were the largest in the mixed mode of P.bournei∶Toona ciliata var.pubescens=3∶1,and P.bournei reached 17.22 mm,76.50 cm,129.47 cm and 41.10 respectively,which were 16.59%,34.78%,11.12%and 8.50%higher than the average value,and 31.85%,57.73%,20.55%and 3.68%high-er than the control.Toona ciliata var.pubescens reached 44.52 mm,148.40 cm,207.03 cm and 57.21 respectively,which were 103.85%,61.20%,65.61%and 19.06%higher than the average value.The effects of different mixed modes on the afforestation survival rate,the ground diameter,maximum crown width,tree height,branch height and SPAD of P.bournei and its mixed tree spe-cies were significantly different.The survival rate and tree height of P.bournei were significantly correlated with the survival rate and tree height of its mixed tree species,and the correlation coefficients were 0.70 and 0.76,respectively.According to the comprehen-sive evaluation,P.bournei∶Toona ciliata var.pubescens=2∶1 or 3∶1,P.bournei:Schima superba=2∶1 or 1∶1,P.bournei∶Cunninghamia lanceolata=2∶1,these five mixed modes have better growth in the first year of afforestation,and can be used as the main planting model in the early stage of mixed afforestation of P.bournei.
黄宇
福建省林业科学研究院、福建省森林培育与林产品加工利用重点实验室,福建 福州 350012
农业科技
闽楠混交造林杉木木荷毛红春枫香
Phoebe bourneimixed afforestationCunninghamia lanceolataSchima superbaToona ciliata var.pubescensLiquidambar formosana
《福建林业科技》 2026 (1)
75-81,90,8
十四五国家重点研发计划项目(2024YFD2200103)福建省种业创新与产业化工程(木荷闽楠等珍贵用材树种种业创新与产业化)福建省林业科技项目(2025FKJ8)福建省林业科技推广项目(2025TG15)中央财政林业科技推广示范项目(闽[2025]TG2号)
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