山西农业大学学报（自然科学版）2026，Vol.46Issue(4)：114-126,13.DOI:10.13842/j.cnki.issn1671-8151.202512012
新疆杨混交协同体系对白杨透翅蛾的调控效应
Synergistic mechanisms of Populus alba var.pyramidalis mixed stands on suppressing Paranthrene ta-baniformis
摘要
Abstract
[Objective]This study aimed to address two key issues of trunk-boring damage caused by Paranthrene tabaniformis and the insufficient growth stability of 15-year-old Populus alba var.pyramidalis stands in the semi-arid region of northern Shanxi.It also sought to fill the gaps in existing research,which predominantly focused on young forests,lacks quantification of natural enemy activity at low temperatures,and suffered from a lack of compatibility between targeted pesticide application and mature trunk characteristics.[Methods]A 3-year localized experiment was conducted from 2023 to 2025 in a 15-year-old pure forest of P.alba var.pyramidalis plantation in Jinshatan.Utilizing a four-dimensional technical framework consisting of"mixed mode optimization-allelochemical identification-natural enemy augmentation-targeted pesticide application",three mixed forest modes were established combining P.alba var.pyramidalis with Robinia pseudoacacia,P.sylvestris var.mon-golica,and Hippophae rhamnoides at ratios of 4:1,3:2,and 2:3,respectively,across three canopy density gradients(0.6,0.7,and 0.8).Allelochemicals were analyzed using HPLC-MS/GC-MS.These were combined with measures including the intercropping A.fruticosa to augment S.guani,the spraying of Beauveria bassiana microcapsules(concentration:1×10⁸spores/mL,applied twice at 15-day intervals),and the injection of nano-pesticide carriers into trunks(5 mL per tree).Gener-alized Linear Mixed Models(GLMM)were employed to quantify the effects of each factor.[Results]The results indicated that the mixed forest configuration with P.sylvestris var.mongolica(3:2 ratio+0.7 canopy density)achieved the best over-all performance,showing an adult dispersal rate of 28.5％and an annual diameter at breast height(DBH)growth increment of 1.8 cm for P.alba var.pyramidalis.Thirty days post-application of B.bassiana microcapsules,the larval infection rate reached 40％;intercropping A.fruticosa increased the parasitism rate of S.guani to 55.6％.Nano-pesticide injection achieved a 79.8％reduction in pest population;and the sex pheromone interference rate was 67.9％.Conversely,the R.pseudoacacia mixed forest exhibited growth decline under high canopy density,and the H.rhamnoides mixed forest suffered a winter frost damage rate of 18.0％.[Conclusion]In summary,the optimal management strategy for P.alba var.pyramidalis in northern Shanxi was a"3:2 mixed configuration of P.alba var.pyramidalis and P.sylvestris var.mongolica(canopy density of 0.7)+forest-margin interplanting of A.fruticosa+spraying of B.bassiana microcapsules during the early larval hatching stage".This strategy achieved synergistic optimization of ecological pest management and tree growth,providing technical sup-port for the green control of mature poplar pests in northern semi-arid regions.关键词
半干旱区/新疆杨/混交林配置/白杨透翅蛾/化感机制/天敌协同Key words
Semi-arid area/Populus alba var.pyramidalis/Mixed forest configuration/Paranthrene tabaniformis/Allelopath-ic mechanism/Natural enemy synergy分类
农业科技引用本文复制引用
张海龙,姚建忠,武秀娟..新疆杨混交协同体系对白杨透翅蛾的调控效应[J].山西农业大学学报（自然科学版）,2026,46(4):114-126,13.基金项目
2023年中央财政林业有害生物防治项目(KJFWZX-LYYHSWFZ-2023-001) （KJFWZX-LYYHSWFZ-2023-001）
2025年中央财政"三北"工程林草湿荒一体化保护修复项目(KJFWZX-SBLCSH-THLXF-2025-001) （KJFWZX-SBLCSH-THLXF-2025-001）
2025年山西林草科技揭榜挂帅项目(JLYF-2025-36) （JLYF-2025-36）
