Investigation on Host Species and Damage Degree of Bemisia tabaci (Gennadius) in Shaanxi Area

来源 :Plant Diseases and Pests(植物病虫害研究:英文版) | 被引量 : 0次 | 上传用户:zxcasd456
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The host plants of Bemisia tabaci( Gennadius) in Shaanxi were investigated,and its damage degree was evaluated by hazard index in 2013 and 2014.There were 73 species( variants) of host plants of B. tabaci belonging to 28 families,mainly concentrated in Cu
其他文献
目的:分析硬膜外神经阻滞麻醉技术用于初产妇中的效果。方法:选取300例初产孕妇,将其按照产妇自愿原则分为两组各150例,对照组自然分娩,观察硬膜外神经阻滞麻醉无痛分娩,比较
Field-collected Culicoides oxystoma adults were exposed to different concentrations of commercial insecticides including chlorpyrifos,DDVP,deltamethyrin,beta-cy
目的:评价右美托咪定对开胸肺叶切除术患者麻醉效果的影响。方法:将开胸下行肺叶切除术患者40例按麻醉过程中使用镇静剂不同分为对照组和右美托咪定组,每组各20例。右美托咪定
[Objective] The paper was to study the growth and development characteristics of Callosobruchus chinensis L. on different beans,and to explore the resistance of
目的:观察腹腔镜下次全子宫切除术治疗子宫腺肌病的临床效果。方法:选取113例子宫腺肌病患者作为研究对象,依据抽签法将其分为对照组56例和研究组57例,对照组予以开腹次全子
The yield increase effect was analyzed by planting disease-free sugarcane seedlings,and the differential expression of three monosaccharide transporter genes( S
Immunomagnetic beads enrichment kit for detection of aflatoxin B1 (AFB1) was prepared through reaction of AFB1 and p-phenylenedi-amine. The catches of AFB1 by t
目的:观察疏血通注射液联合奥扎格雷钠治疗脑血栓的临床效果。方法:选取60例脑血栓患者作为研究对象,按照随机数表法分组,对照组用奥扎格雷钠治疗,观察组用疏血通注射液联合奥
期刊
为研究传感器网络在敌对环境中的隐藏问题,防止恶意节点的跟踪和破坏,提出了一个移动汇聚节点的移动策略。对隐藏问题进行分析和建模,并对穿越行为进行定义。在此基础上,提出了一