scholarly journals Insecticidal activity of selected botanicals on maize weevil, Sitophilus zeamais L., in stored maize grains

2018 ◽  
Vol 12 (1) ◽  
pp. 1 ◽  
Author(s):  
S. Karunakaran ◽  
V. Arulnandhy
Keyword(s):  
Insecticidal Activity ◽  
Sitophilus Zeamais ◽  
Maize Weevil

Insecticidal activity of the essential oil of Piper corcovadensis leaves and its major compound (1‐butyl‐3,4‐methylenedioxybenzene) against the maize weevil, Sitophilus zeamais

2021 ◽  
Author(s):  
Camila Soledade de Lira Pimentel ◽  
Bheatriz Nunes de Lima Albuquerque ◽  
Suyana Karolyne Lino Rocha ◽  
André Severino Silva ◽  
Alana Bittencourt Vieira Silva ◽  
...  
Keyword(s):  
Essential Oil ◽  
Insecticidal Activity ◽  
Sitophilus Zeamais ◽  
Maize Weevil

scholarly journals Phytochemical Screening and Insecticidal Activity of Three Extracts of Tapinanthus bangwensis (Engl. Krause) on Sitophilus zeamais (Maize Weevil)

OALib ◽  
2016 ◽  
Vol 03 (08) ◽  
pp. 1-10
Author(s):  
El Hadji Gorgui Diouf ◽  
Moussoukhoye Diop ◽  
Aboubacary Sène ◽  
Abdoulaye Samb
Keyword(s):  
Insecticidal Activity ◽  
Sitophilus Zeamais ◽  
Phytochemical Screening ◽  
Maize Weevil

Biopesticidal Extractives and Compounds from Warburgia ugandensis against Maize Weevil (Sitophilus zeamais)

2015 ◽  
Vol 5 (4) ◽  
pp. 236-243
Author(s):  
Sylvia A. Opiyo ◽  
Lawrence O. A. Manguro ◽  
Dorothy A. Okoth ◽  
Anjeline A. Ochung ◽  
Charles O. Ochieng
Keyword(s):  
Sitophilus Zeamais ◽  
Maize Weevil

Insecticidal activity of the ether extract from the lichen Ramalina complanata and an isolated metabolite (divaricatic acid) against Sitophilus zeamais (Coleoptera, Curculionidae)

2021 ◽  
pp. 102049
Author(s):  
André Severino da Silva ◽  
Camila Soledade de Lira Pimentel ◽  
Fábio Henrique Galdino dos Santos ◽  
Hallysson Douglas Andrade de Araújo ◽  
Patrícia Maria Guedes Paiva ◽  
...  
Keyword(s):  
Insecticidal Activity ◽  
Sitophilus Zeamais ◽  
Ether Extract

scholarly journals Effects of Essential Oils from 24 Plant Species on Sitophilus zeamais Motsch (Coleoptera, Curculionidae)

Insects ◽  
2021 ◽  
Vol 12 (6) ◽  
pp. 532
Author(s):  
William R. Patiño-Bayona ◽  
Leidy J. Nagles Galeano ◽  
Jenifer J. Bustos Cortes ◽  
Wilman A. Delgado Ávila ◽  
Eddy Herrera Daza ◽  
...  
Keyword(s):  
Essential Oils ◽  
Chemical Control ◽  
Sitophilus Zeamais ◽  
Contact Toxicity ◽  
Stored Products ◽  
Collateral Damage ◽  
Maize Weevil ◽  
Active Constituents ◽  
Insect Mortality ◽  
Sitophilus Zeamais Motsch

Chemical control of the maize weevil (Sitophilus zeamais) has been ineffective and presents serious collateral damage. Among plant-derived insecticides, essential oils (EOs) are suitable candidates to control this stored products pest. In this work, the insecticidal activities of 45 natural EOs against S. zeamais adults were screened, and the most promising ones (24 EOs) were characterized by GC–MS. The repellent and toxic effects (contact and fumigant) of these 24 EOs were determined, and by a cluster analysis they were classified into two groups considering its fumigant activity and contact toxicity. For the EOs with the highest fumigant potential (14 oils) and their main active constituents (17 compounds), lethal concentrations were determined. The most active EOs were those obtained from L. stoechas and L. alba, with LC50 values of 303.4 and 254.1 µL/L air and characterized by a high content of monoterpenes. Regarding the major compounds, the oxygenated monoterpenes R-(+)-pulegone (LC50 = 0.580 mg/L air), S-(-)-pulegone (LC50 = 0.971 mg/L air) and R-(-)-carvone (LC50 = 1.423 mg/L air) were the most active, as few variations in their concentrations significantly increased insect mortality.

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