PHYSIOLOGICAL EFFECTS OF RESVERATROL AND COUMARIC ACID ON TWO MAJOR GROUNDNUT PESTS AND THEIR EGG PARASITOID BEHAVIOR

2016 ◽  
Vol 91 (4) ◽  
pp. 230-245 ◽  
Author(s):  
Pratyusha Sambangi ◽  
Pathipati Usha Rani
Keyword(s):  
Egg Parasitoid ◽  
Physiological Effects ◽  
Coumaric Acid ◽  
Parasitoid Behavior

scholarly journals Non-target effects of ten essential oils on the egg-parasitoid Trichogramma evanescens

2022 ◽  
Author(s):  
Louise van Oudenhove ◽  
Aurelie Cazier ◽  
Marine Fillaud ◽  
Anne-Violette Lavoir ◽  
Hicham Fatnassi ◽  
...  
Keyword(s):  
Essential Oils ◽  
Sweet Orange ◽  
Biological Control Agent ◽  
Egg Parasitoid ◽  
Control Agent ◽  
Fumigant Toxicity ◽  
Parasitoid Behavior ◽  
Trichogramma Evanescens ◽  
Parasitoid Development ◽  
Target Effects

Essential oils (EOs) are increasingly used as biopesticides due to their insecticidal potential. This study addresses their non-target effects on a biological control agent: the egg parasitoid Trichogramma evanescens. In particular, we tested whether EOs affected parasitoid fitness either directly, by decreasing pre-imaginal survival, or indirectly, by disrupting parasitoids' orientation abilities. The effect of Anise, Fennel, Sweet orange, Basil, Coriander, Oregano, Peppermint, Mugwort, Rosemary and Thyme EOs were studied on five strains of T. evanescens. Specific experimental setups were developed, and data obtained from image analysis were interpreted with phenomenological models fitted with Bayesian inference. Results highlight the fumigant toxicity of EOs on parasitoid development. Anise, Fennel, Basil, Coriander, Oregano, Peppermint and Thyme EOs are particularly toxic and drastically reduce the emergence rate of T. evanescens. Most EOs also affect parasitoid behavior: (i) Basil, Coriander, Oregano, Peppermint, Mugwort and Thyme EOs are highly repellent for naive female parasitoids; (ii) Anise and Fennel EOs can have repellent to attractive effects depending on strains; and (iii) Sweet orange, Oregano and Rosemary EOs have no detectable impact on orientation behavior. This study shows that EOs fumigation have non-target effects on egg parasitoids. This highlights the need to cautiously precise the deployment framework of biopesticides in an agroecological perspective.

Selectivity of insecticides to the egg parasitoid Trichogramma galloi Zucchi, 1988, (Hym., Trichogrammatidae)

2001 ◽  
Vol 125 (1-2) ◽  
pp. 37-43 ◽  
Author(s):  
F. L. Consoli ◽  
P. S. M. Botelho ◽  
J. R. P. Parra
Keyword(s):  
Egg Parasitoid

Psychological and Physiological Effects of Wearing a Gas Mask or Protective Suit Under Non-Exercising Conditions

1988 ◽  
Author(s):  
D. H. Ryman ◽  
T. L. Kelly ◽  
C. E. Englund ◽  
P. Naitoh ◽  
M. Sinclair
Keyword(s):  
Physiological Effects ◽  
Gas Mask

Taboo words in first and second languages: Physiological effects

2010 ◽  
Author(s):  
Travis Simcox ◽  
Salif Mahamane ◽  
Maura Pilotti
Keyword(s):  
Physiological Effects ◽  
Second Languages ◽  
Taboo Words

STUDIES ON A NON-MELATONIN PINEAL ANTI-GONADOTROPHIN

1972 ◽  
Vol 69 (2) ◽  
pp. 257-266 ◽  
Author(s):  
Bryant Benson ◽  
Mary Jane Matthews ◽  
Alvin E. Rodin
Keyword(s):  
Solvent Extraction ◽  
Organic Solvent ◽  
Pineal Gland ◽  
Gel Filtration ◽  
Test System ◽  
Pineal Body ◽  
Physiological Effects ◽  
Organic Solvent Extraction ◽  
Gland Function

ABSTRACT Continuing investigation of pineal gland function indicates that the anti-gonadotrophic activity of this organ cannot be attributed solely to the postulated hormone melatonin, the concentration of which is negligible in the pineal body compared to quantities required to produce unequivocal physiological effects. A non-melatonin antigonadotrophic substance recently isolated from bovine pineal glands was further purified by organic solvent extraction, ultrafiltration and gel filtration. Studies of partial blockage of compensatory ovarian hypertrophy in unilaterally ovariectomized Charles River CD-1 mice indicated that this substance is significantly more potent than melatonin in this test system.

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