上海地区梨锈病的发生规律、灾变预警及防控技术

China Agricultural Technology Extension(2018)

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Abstract
梨锈病是上海地区梨和观赏花卉贴梗海棠常年发生的重要病害,通过分析其8年的发生消长调查结果,得知影响其发病的生态条件和发生消长的灾变要素,为防止抗药性的产生,科学地交替试用了高效低毒低残留的新农药,防效良好.
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