海南近期芒果病虫害发生情况

来源 :农药市场信息 | 被引量 : 0次 | 上传用户:einima
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
海南省芒果近期处于控梢期至花期,主要病虫害有:炭疽病、霜霉病、角斑病、蓟马、叶蝉、切叶象甲、横线尾夜蛾。目前芒果病虫害总体中等或偏轻发生,部分病虫害偏重发生。霜霉病在三亚发生较重,发病率为50%。炭疽病轻发生,主要发生在乐东、昌江、东方、三亚,发病率为5%~10%。切叶象甲在昌江发生相对较多,虫口密度为10~20头/株。蓟马和叶蝉分布较广,总体发生程度较轻。 Hainan mango recently in the control period to flowering, the main pests are: anthracnose, downy mildew, angular leaf spot, thrips, leafhoppers, cut the leaf weevil, transverse lines of the night moth. At present, the overall incidence of moderate or mild mango pests and diseases, some pests and diseases are prevalent. Downy mildew occurred heavier in Sanya, the incidence was 50%. Anthrax light occurs mainly in Ledong, Changjiang, East, Sanya, the incidence rate of 5% to 10%. Cut leaf weevil occurs relatively often in Changjiang, insect population density of 10 to 20 heads / strain. Thrips and leafhoppers are widely distributed, with less overall incidence.
其他文献
目的:  本研究我们用 N-甲基-D-天门冬氨酸(NMDA)非竞争性受体拮抗剂地卓西平马来酸盐(MK-801)构建了精神分裂症(schizophrenia,SZ)大鼠模型。应用small RNA第二代测序技术,对大
目的评估抗血管内皮生长因子单克隆抗体Bevacizumab (Avastin)玻璃体腔注射治疗特发性脉络膜新生血管病变(Idiopathic choroidal neovascularization, ICNV)的疗效和安全性。