Results 91 to 100 of about 18,589 (294)

How does leaf age affect performance? A comparative study of essential oils from young and mature Eucalyptus globulus leaves in crop protection

open access: yesPest Management Science, EarlyView.
Leaf age influences metabolomic profiling but not bioactivity of Eucalyptus globulus essential oils. Leaf age affects volatile levels of young and adult E. globulus oils, but not their bioactivity. Young leaf essential oil had higher contents of α‐ and β‐pinene. AEEO had higher levels of 1,8‐cineole and trans‐pinocarveol.
Mafalda Pinto   +11 more
wiley   +1 more source

Leaf penetration by endophytic Metarhizium brunneum enables infection of Phthorimaea absoluta in tomato mines while inducing the crop defense system

open access: yesPest Management Science, EarlyView.
Spraying Metarhizium brunneum on tomato plants controls heterogeneous and upcoming Phthorimaea absoluta populations by infecting larvae within mines and priming plant induced systemic defences. Abstract BACKGROUND The endophytic entomopathogenic fungus Metarhizium brunneum Petch EAMa 01/58‐Su shows strong potential for managing Phthorimaea absoluta, a ...
Esther Aguilera Cuenca   +5 more
wiley   +1 more source

Assessment of methods used to determine the safety of the topical insect repellent N,N-diethyl-m-toluamide (DEET)

open access: yesParasites & Vectors, 2014
N,N-diethyl-m-toluamide (DEET) has been registered for commercial use as an insect repellent for over five decades, and is used widely across the world.
Vanessa Chen-Hussey   +2 more
doaj   +1 more source

Physical Basis of Insect Repellency [PDF]

open access: yesNature, 1956
THE physical basis of insect repellency being unknown, the search for new repellents has had to be conducted on an essentially hit-or-miss basis. With the accumulation of evidence that the odours of substances may be correlated with the low-frequency, fundamental vibrations of their molecules1, it seemed worth while to examine the absorption of some ...
openaire   +2 more sources

Testing optimal defense theory: Root resistance selection in chicory (Cichorium intybus) reduces foliar defense and alters aphid performance and feeding behavior

open access: yesPest Management Science, EarlyView.
Root‐focused resistance in chicory reduces defenses in leaves, impairing root aphids but enhancing foliar aphid performance. Selecting root resistance can create unintended trade‐offs across plant organs. Abstract BACKGROUND Plants are constantly exposed to a wide range of herbivores at both aboveground (AG) and belowground (BG) levels, involving ...
Thomas Cochenille   +5 more
wiley   +1 more source

Host‐associated chemical cues mediating host‐finding behaviour in the larval ectoparasitoid Cephalonomia tarsalis

open access: yesPest Management Science, EarlyView.
Host‐associated volatiles mediate host location in Cephalonomia tarsalis, with faecal odours from fourth‐instar larvae, particularly 1‐pentadecene, attracting females and supporting the biological control of stored‐product pest beetles. Abstract BACKGROUND Understanding how parasitoids locate their hosts is essential for improving the effectiveness of ...
Lidia del Arco   +3 more
wiley   +1 more source

Evaluating repellence properties of catnip essential oil against the mosquito species Aedes aegypti using a Y-tube olfactometer

open access: yesScientific Reports
The mosquito species Aedes aegypti (L.) is known to act as a vector in the transmission of various diseases, including dengue fever and yellow fever.
Charles Batume   +7 more
doaj   +1 more source

Ethnobotanical study of some of mosquito repellent plants in north-eastern Tanzania

open access: yesMalaria Journal, 2008
Background The use of plant repellents against nuisance biting insects is common and its potential for malaria vector control requires evaluation in areas with different level of malaria endemicity.
Tenu Filemoni   +14 more
doaj   +1 more source

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