1.
Spore Image Recognition of Poplar Disease
杨树病害孢子的图像识别技术研究
2.
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。
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.
The Regulation Mechanism on the Stem Diseases of Poplar Plantation in Northern China by the Stand and Site Management
北方杨树人工林干部病害立地及林分调控机制
6.
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
7.
Populus Cultivation-clones in Different Cultivated Area and Its Diseases in China
中国不同栽培区杨树品系及其病害种类
8.
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。
9.
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
10.
Variety and moisture of poplar are main factors affected occurrence and expansion of the disease.
杨树品种和水分状况是影响病害发生流行的关键因子。
11.
Study on Resistance Variation of Populus Deltoides Clones in the Seedling Stage to Tetra Lobulifera (Keifer)
杨树无性系苗期对螨害抗性变异研究
12.
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
13.
Study on Vegetative Compatibility of Poplar-Canker s Pathogen;
杨树溃疡病病原菌营养体亲和性研究
14.
Research on the pathogen of a new poplar canker in China
我国杨树上一种新溃疡病的病原研究
15.
RAPD Analysis on Resistant Genes to the Canker of Poplar Cultivators;
杨树品种抗烂皮病相关基因的PAPD分析
16.
Research on the Relation between Active Iron in Leaves and Yellow-leaf Disease in Poplar Tree
叶片活性铁与杨树黄叶病的关系研究
17.
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
18.
Synthetic Cure and Management of Lsa Sordida Nits of Main Virescence Wood Species in Harbin;
哈尔滨市主要绿化树种杨树烂皮病的综合治理