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首页> 外文期刊>African Journal of Biotechnology >Pathogenicity of local Metarhizium anisopliae var. acridum strains on Locusta migratoria migratorioides Reiche and Farmaire and Zonocerus variegatus Linnaeus in Senegal
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Pathogenicity of local Metarhizium anisopliae var. acridum strains on Locusta migratoria migratorioides Reiche and Farmaire and Zonocerus variegatus Linnaeus in Senegal

机译：局部元毛细血管血管素致病性的致病性。在塞内加尔的Locusta Migratoria Migratoria Migratoria的Acridum Strains Reiche和Farmaire和Zonocerus Variegatus Linnaeus

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Locusts and grasshoppers are the?most important?economical threat in the sahelian agricultural system. Principal control strategies of these pests are synthetic chemicals which are, however, harmful to the environment and human health.?Metarhizium anisopliae?based?biopesticide Green Muscle IMI330189 has been recently developed for the control of locusts and grasshoppers. In this paper, we assessed the pathogenicity of three local strains of?M. anisopliae?var.?acridumon?Locusta migratoria migratorioides?and?Zonocerus variegatus,?in comparison to the commercial product, IMI330189. There was various level of pathogenicity within the strains on the two pests. On?L. migratoria,?DPV5 caused the highest mortality after three weeks (91.2%). There was a significant difference between DPV5 and IMI330189. However, there were no significant differences between IMI330189 and the other strains. On?Z. variegatus?there were no significant differences between IMI330189 DPV5 and DPV10. DPV15 had the lowest pathogenic activity. Moreover, the comparison of susceptibility of both insect pests to?Metarhizium?strains showed that?L. migratoria?is more susceptible than?Z. variegatus. DPV5 had the shortest LT50?on?L. migratoria?7.1 days whereas on?Z. variegatus,?the LT50?value of DPV5 was comparable to IMI330189. Our study suggests that, DPV5 which was isolated from?Kraussaria angulifera?in Senegal is a promising candidate for future development for locusts and grasshoppers control in the country.
机译：蝗虫和蚱蜢是最重要的？萨赫伦农业系统的经济威胁。这些害虫的主要控制策略是合成化学品，然而，对环境和人类健康有害。基于arhizium anopliae？基于anyhiziumanopliae？生物农药绿色肌肉IMI330189已被制定用于控制蝗虫和蚱蜢。在本文中，我们评估了三种局部菌株的致病性。 Anisopliae？var。？acridumon？locusta migratoria migratorioides？和？zonocerus variegatus，？与商业产品相比，IMI330189。两种害虫的菌株内有各种致病性。在？l。迁移率，DPV5在三周后引起了最高的死亡率（91.2％）。 DPV5和IMI330189之间存在显着差异。然而，IMI330189与其他菌株之间没有显着差异。在？z。 Variegatus？IMI330189 DPV5和DPV10之间没有显着差异。 DPV15具有最低的致病活性。此外，昆虫害虫易感性的比较？菌株的菌株显示出ΔL。迁移率？更容易受到z。 variegatus。 DPV5有最短的LT50？上？L.迁移率为7.1天，而ON？Z。 variegatus，？LT50？DPV5的值与IMI330189相当。我们的研究表明，从塞内加尔孤立的DPV5是塞内加尔（Kraussaria Angulifera）是一个有助于未来发展蝗虫和蝗虫控制的有希望的候选人。

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