共查询到19条相似文献,搜索用时 140 毫秒
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盐城市大丰区秋播麦田与油菜田病虫草害发生特点及绿色防控技术 总被引:1,自引:0,他引:1
《现代农业科技》2018,(23)
本文通过对大丰地区秋播麦田、油菜田病虫草害发生情况进行分析,提出了农业防治与化学防治相结合的绿色防控技术,以期为江苏及周边省份秋播麦田、油菜田病虫害绿色防控提供参考。 相似文献
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从科学施肥、高产水管、病虫草害防治等方面总结了皖南丘陵地区油菜秋发高产栽培技术,以期促进当地油菜的高产。 相似文献
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为提高山区油菜种植产量,从播前准备、适期播种、田间管理、合理施肥、病虫草害防治、适时收获等方面总结了山区油菜高产栽培技术,以期指导山区油菜生产。 相似文献
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Effects of different rotation patterns on the occurrence of clubroot disease and diversity of rhizosphere microbes 下载免费PDF全文
YANG Xiao-xiang HUANG Xiao-qin WU Wen-xian XIANG Yun-jia DU Lei ZHANG Lei LIU Yong 《农业科学学报》2020,19(9):2265-2273
Clubroot disease, caused by Plasmodiophora brassicae, is one of the most destructive soil-borne diseases in cruciferous crops worldwide. New strategies are urgently needed to control this disease, as no effective disease-resistant varieties or chemical control agents exist. Previously, we found that the incidence rate and disease index of clubroot in oilseed rape decreased by 50 and 40%, respectively, when oilseed rape was planted after soybean. In order to understand how different rotation patterns affect the occurrence of clubroot in oilseed rape, high-throughput sequencing was used to analyze the rhizosphere microbial community of oilseed rape planted after leguminous(soybean, clover), gramineous(rice, maize) and cruciferous(oilseed rape, Chinese cabbage) crops. Results showed that planting soybeans before oilseed rape significantly increased the population density of microbes that could inhibit P. brassicae(e.g., Sphingomonas, Bacillus, Streptomyces and Trichoderma). Conversely, consecutive cultivation of cruciferous crops significantly accumulated plant pathogens, including P. brassicae, Olpidium and Colletotrichum(P0.05). These results will help to develop the most effective rotation pattern for reducing clubroot damage. 相似文献
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于2007-2008年期间对信阳市油菜产区的病虫害种类和发生情况进行调查,摸清了油菜病虫害的发生特点,并提出了油菜病虫害的无公害综合治理技术。 相似文献
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沿江圩区主要农作物病虫草害演替呈现以下特点 :种类增加 ,不断出现新的病虫为害 ;危害期拉长 ,发生程度加重 ;突发性病虫暴发成灾 ;螟虫危害趋于复杂化等。为此制定了近期与长远期综合治理措施 ,及时有效地控制其危害 相似文献
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分析了当前玉米病虫草害发生的新特点、新变化以及主要原因,同时指出了当前夏玉米病虫草害防治中存在的主要问题,并提出了选用优质高抗品种、合理布局作物的种植、加强预测预报、强化统防统治与绿色防控、对售药及施药人员加强专业培训、推广安全科学施药技术等一系列防治对策。 相似文献