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<p>Aphids are among the most damaging pests of many crops including vegetables, fruits, trees, and ornamental plants. They impact crops by their direct feeding as well as by transmitting pathogens of various diseases. In recent years, entomopathogenic fungi have been proven to be effective in managing a variety of insect pests. A bio-efficacy assessment of <i>Metarhizium anisopliae</i> with almond, ginger, and lemon oil was assessed against green peach aphid, cherry oat aphid, and cabbage aphid. Dose and time dependent mortality of the aphids was recoded. The sole application of <i>M. anisopliae</i> caused significant mortality of three aphid species after 14 days of post application compared to 1 and 3 days post treatment. The efficacy of an <i>M. anisopliae</i> mixture with oils showed significant impact compared to individual applications of all treatments. Maximum 84.6, 82.4, and 80.4% mortality of green peach aphid, cherry oat aphid, and cabbage aphid was observed after 14 days of post application for <i>M. anisopliae</i> (2.4 × 10<sup>6</sup> cfu/ml) combined with almond oil, ginger oil, and lemon oil, respectively. Oil-based formulations of <i>M. anisopliae</i> proved effective against all treated aphid species under our experimental conditions and these formulations can be incorporated into IPM programs for effective control of sucking insect pests.</p>

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Comparative in vitro pathogenicity of different oil-based formulations of Metarhizium anisopliae against three different aphid species

  • 期刊论文

  • 发表日期：

    2026年7月3日

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  • Ahmad Nawaz,
  • Anam Ejaz,
  • Tariq Mustafa,
  • Usman Naeem,
  • Amna Irshad,
  • Muhammad Dildar Gogi,
  • Muhammad Tayyib,
  • Muhammad Naveed,
  • Amjad Abbas,
  • Muhammad Jalal Arif

摘要

Aphids are among the most damaging pests of many crops including vegetables, fruits, trees, and ornamental plants. They impact crops by their direct feeding as well as by transmitting pathogens of various diseases. In recent years, entomopathogenic fungi have been proven to be effective in managing a variety of insect pests. A bio-efficacy assessment of Metarhizium anisopliae with almond, ginger, and lemon oil was assessed against green peach aphid, cherry oat aphid, and cabbage aphid. Dose and time dependent mortality of the aphids was recoded. The sole application of M. anisopliae caused significant mortality of three aphid species after 14 days of post application compared to 1 and 3 days post treatment. The efficacy of an M. anisopliae mixture with oils showed significant impact compared to individual applications of all treatments. Maximum 84.6, 82.4, and 80.4% mortality of green peach aphid, cherry oat aphid, and cabbage aphid was observed after 14 days of post application for M. anisopliae (2.4 × 106 cfu/ml) combined with almond oil, ginger oil, and lemon oil, respectively. Oil-based formulations of M. anisopliae proved effective against all treated aphid species under our experimental conditions and these formulations can be incorporated into IPM programs for effective control of sucking insect pests.