1.
Studies on the Botanicai Insectcides Controlling Poplar Pests
植物源杀虫剂等防治杨树害虫试验研究
2.
On the Investigation Analysis &Precaution Countermeasure to Yielding Quickly Poplar Pests in Tongren Prefecture;
铜仁地区速生杨树害虫的调查分析与防治对策
3.
The Study on Developing Rule and Occurrence and Control Tecology of Poplar Pests in Xinyang;
信阳杨树病虫害发生及防治技术研究
4.
The Occurrence and Control of Diseases and Pests of Poplar Forest in Bazhou City
霸州市杨树片林病虫害的发生与防治
5.
Studies on the Poplar Pest Controll by the Specific Pesticide
特异性杀虫剂等防治杨树主要害虫试验研究
6.
Research on Major Insect Pests and Their Harm to Ornamental and Afforestation Trees in Yangling Zone;
杨凌区园林绿化树木主要害虫及危害性研究
7.
The key pests and rat include: nematodiasis of the pines and pine moth, forest rats, defoliator of the poplars, bristletail.
二是松毛虫、森林鼠害、杨树食叶害虫等常发性病虫害; 三是小蠹虫、萧氏松茎象等钻蛀性害虫。
8.
Status of Pests and Diseases of Poplar and Management Countermeasures in Jiangxi Province
江西省杨树病虫害发生状况及管理对策
9.
Effects of phytophagous insect induced popular resisitance on the behavior and development of Clostera anachoreta
虫害诱导杨树对杨扇舟蛾行为和生长发育的影响
10.
Research on Major Defoliator Pests of Shandong Poplar Forest and Non-pollution Control Technology;
山东省杨树主要食叶害虫与无公害防治技术研究
11.
Prediction and Control of Main Leaf Eating Insect and Mulberry Longicorn on Poplar in Binzhou;
滨州市杨树主要食叶害虫及桑天牛的测报和防治研究
12.
Preliminary Report of Controlling Poplar Defoliators by Spraying 3% High Permeability Fenoxycarb with High-Range Sprayer;
高射程喷雾机喷施3%高渗苯氧威防治杨树食叶害虫试验初报
13.
Studies on Early-warning Techniques and Risk Assessment for the Poplar Stem Boring Pests in Heilongjiang Province
黑龙江省杨树蛀干害虫发生区预警技术及风险评估研究
14.
Efficacy Test of the Aerosol Spraying of Two Type Aerosol Poplar against the Defoliator in Poplar
2种不同类型烟雾剂喷烟防治杨树食叶害虫药效试验
15.
Infestation and control of poplar clearwing moth Paranthrene tabaniformis in the stump of poplar.
杨树截干上白杨透翅蛾的危害及防治
16.
The blister canker on poplar trunks causd bg Botryosphaeria dothideaarewidely distributed in North China.
杨树水泡型溃疡病分布广泛,严重为害杨树。
17.
Studies on the Insecticidal Activity and Acting of Mechanism of Transgenic Poplars Against Micromelalopha Troglodyta;
转基因杨树对杨小舟蛾杀虫活性及其机理研究
18.
Studies on Spatiotemporal Dynamics of Rhizosphere Parasitic Nematode Population of Poplar Tree;
杨树根际寄生线虫种群时空动态研究