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美洲斑潜蝇对几种花卉的偏嗜性研究.pdf

花匠小妙招
2025-02-27 09:23

安徽农业科学，Jouma1 of Anhui Agri. Sci.2侃)9，37(21):1∞50 -1∞51 ， 10164 责任编辑-l丽责任校对况玲玲美洲斑潜蝇对几种花卉的偏嗜性研究李明，写茂，悦，付和平刘金泉，严海鸣，马建华 (内蒙古农业大学职业技术学院，内蒙古包头Mω) 摘要 [目的]研究美洲斑潜蝇对几种花卉的偏嗜性。[方法]以单位叶面积累积虫i量数为主要指标，单位叶片累积女道数和植株危宰率为参考指标，研究美洲斑潜绳在不同月份对几种花卉危害的选择性及危害规律。[结果]美洲斑潜蝇主要危害菊科、寥科、十字花科和唇形科的花卉，美洲斑潜蝇在不同月份对花卉的危害程度并不相同，对一串红、万寿菊、非洲菊的危害高峰期均处于5 月，6、7 月依次减轻。对二月兰、金盏菊、二裂绣绥菊和百日草的危害程度7 月低于6 月。整体来看，美洲斑潜叶生电危害6 月较重，7 月危害面广，8 月危害较轻，这可能与 2∞8 年7 ， 8 月雨水较多有关。[结论]美洲斑潜绳在不同月份对花卉的危害程度并不相同，总体上，6 月的危客较重， 7 月危害面较宽，雨水多的月份美洲斑潜蝇的危害程度减轻。关键词美洲斑潜绳;花卉;偏嗜性中图分类号 5436.8 文献标i只码 A 文章编号 0517 -6611 (江阴)21 -10050 -02 Study on the Partial Tropism or LirlomyZll s础， ivae Blanchard on Some Kir咀s of Flowers LI Ming et al (Vocational Technical College , Inner Mongolia Agricultural University , Baotou , Inner Mongolia 014109) Abstract [ Objective J The aim was to s阳dy the partial tropism of μriomyza sativae Blanch时on 崎me kinds of f10we四. [ Method J Parame- 2 ters of accumulative insect holes per cm , accumulative insect holes per leaf and harmfulness rate were used to study on the effect of host 肥 lection preference and against the law of li.riomyzα， sativae Blanchard. [R臼ult J Harmfulness of different months w田 studied for 四me f10wers in this experiment. 币le harmfulness of li.riomyza sativae is not 出e same al differenl monlhs for differenl flowers. Overall , the harmfulness is heavier in June 由an other months ,wide in July , and have less harm in rainy months. Againsted peak of Salvia spceruieru , Tage.阳 erecta and Gerberajam臼onü was in May , and harmfulne回 alleviated successively in June and July. Orychragmus vioZ刷刷， O. E. Schulz. , Calendula 0.仲i M岭， Spiraea trilobαta and Zinnia elegα， ru had less harmfulness in July than in June. 币le harmfulness of li.riomyza sativae Blanchard is heavier ln JlIlle than other months ,wide in July , and have