陕西省烟草病毒病的发生、流行成因及防治技术

来源 :中国烟草科学 | 被引量 : 0次 | 上传用户:zyl123456789zyl12345
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
根据近年来有关研究进展,从烟草病毒病的危害、烟草病毒病的主要种类及特性、烟草病毒病的发生规律、烟蚜的越冬迁飞和传毒特性、烟草病毒病流行成灾的原因分析、烟草蚜传病毒病的预测预报等方面,笔者对烟草病毒病的发生、流行成因及防治技术进行了综述.
其他文献
Introduction. Pathological complete remission of liver metastases is a rare colon cancer treatment outcome with increased 5-year survival of 76%. Case report. M
‘#赢i蠢囊!”蛰哪’:菇、籍旌翳鬻鬻孽攀繁震誊鬻藜囊i燃黼蒸《瓣≮舔黼媾鬻戮蠢器搿黼搿群∞ij;.I.._iⅥ.^鲤l黼麟鬻鬻m黼薹需麓iii^i;y《》~张激}x~‘v#“麓糍霪器Ⅲ篱删灞
传媒集团面临激烈的市场竞争,如何在竞争中保持优势,关键在于选拔使用一批批的优秀人才。人事档案工作是传媒集团组织人事工作的重要内容,也是坚持公道正派地选人用人的重要基础
Background: Diabetes means the blood glucose, which is too high or too low. With Type 2 DM, the more common type, the body does not make or use insulin well. In
Deleterious mutations in the RUNX1 gene cause hereditary leukemia due to a rare syndrome called Familial platelet Disorder with Associated Myeloid Malignancy (F
Objective: Alkaline phosphatase (ALP) is considered a biomarker of high bone turnover in hemodialysis (HD) patients with secondary hyperparathyroidism. This stu
用不同剂量的氮离子注入不同烟草品种的种子,对种子发芽率进行了测定。结果表明,不同品种间,不同处理剂量间种子发芽率的差异均达极显著水平。品种与处理剂量互作效应间差异也达
咏林先生在即将退休时对我说,准备静下心来用电脑“敲”本书。时隔不久,他便把书稿送给我,并要我写几句话为“序”。咏林与我在湖北日报社共事30余年,虽然不同岗位,但一直是搭档,是
Aims: we investigate whether insulin resistance is associated with an increased prevalence for chronic kidney disease irrespective of the concurrent presence of
Anaplastic thyroid carcinoma (ATC) is a poorly differentiated thyroid cancer. It cannot uptake iodine or synthesis thyroglobulin. The incidence is low;about 2%