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Effects of Melia azedarach methanol extract and nucleopolyhedrovirus (SLNPV) on Spodoptera littoralis(Boisd) [electronic resource].

By:

Ahmed, Yasmein A. El-Sayed

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Language: English Summary language: Arabic Description: p.513-526Other title:

تأثير الخلط بين مستخلص الميثانول للزنزلخت والفيروس النووي لدودة ورق القطن علي دودة ورق القطن [Added title page title]

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Egyptian journal of agricultural research, 2014 v. 92 (2) [electronic resource].

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In: Egyptian Journal of Agricultural Research 2014.v.92(2)Summary: Insecticidal activity of Melia azedarach methanol extract and nucleopolyhedrovirus (SLNPV) against Spodoptera littoralis larvae was evaluated under laboratory conditions. NPVs showed high significant toxicity on the 2"d and 4th instars larvae; while, the Melia extract was a relatively high toxic against the 2"d instar larvae and less effective against the 4th instar. The extract recorded strong reduction in larval weight as compared to the control. Generally, Melia extract potentiates the effect of SLNPV by producing mortality within a short time and negatively influences the larval growth and development which could result lesser feeding damage to the host plant.

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Insecticidal activity of Melia azedarach methanol extract and nucleopolyhedrovirus (SLNPV) against Spodoptera littoralis larvae was evaluated under laboratory conditions. NPVs showed high significant toxicity on the 2"d and 4th instars larvae; while, the Melia extract was a relatively high toxic against the 2"d instar larvae and less effective against the 4th instar. The extract recorded strong reduction in larval weight as compared to the control. Generally, Melia extract potentiates the effect of SLNPV by producing mortality within a short time and negatively influences the larval growth and development which could result lesser feeding damage to the host plant.

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