Results 1 to 10 of about 385,447 (302)

Differential accumulation of cardenolides from Asclepias curassavica by large milkweed bugs does not correspond to availability in seeds or biological activity on the bug Na+/K+-ATPase

open access: yesFrontiers in Ecology and Evolution, 2023
Milkweed–herbivore systems are characterized by cardenolide chemical defenses and specialized herbivore adaptations such as physiological target site insensitivity.
Paola Rubiano-Buitrago   +6 more
doaj   +1 more source

New Structures, Spectrometric Quantification, and Inhibitory Properties of Cardenolides from Asclepias curassavica Seeds

open access: yesMolecules, 2022
Cardiac glycosides are a large class of secondary metabolites found in plants. In the genus Asclepias, cardenolides in milkweed plants have an established role in plant–herbivore and predator–prey interactions, based on their ability to inhibit the ...
Paola Rubiano-Buitrago   +3 more
doaj   +1 more source

Targeted Mop up and Robust Response Tools Can Achieve and Maintain Possum Freedom on the Mainland

open access: yesAnimals, 2022
Unfenced sites on mainland New Zealand have long been considered impossible to defend from reinvasion by possums, and are thus unsuitable for eradication.
Briar Cook, Nick Mulgan
doaj   +1 more source

THE IMPLEMENTATION PROSPECTS OF AMBLYSEIUS SP. AS BIOLOGICAL CONTROL AGENT [PDF]

open access: yesRussian Journal of Agricultural and Socio-Economic Sciences, 2020
Amblyseius sp. was found as a natural enemy of spider mites. Amblyseius can adjust to live together with other mite predators in the development of spider mites. When conditions are favorable for the proper flow between source plants and protected plants,
Handoko, Latifah E.
doaj   +1 more source

NATURAL ENEMIES ASSOCIATED WITH MEALY PLUM APHID HYALOPTERUS PRUNI (Geoff.), (HOMOPTERA: APHIDIDAE) INFESTED APRICOT TREES, AT QALUBIA GOVERNORATE [PDF]

open access: yesArab Universities Journal of Agricultural Sciences, 2005
The present work was carried out to study the population dynamics of the mealy plum aphid Hyalopterus pruni (Geoff.) and related parasitoids and predators on apricot trees, during the two successive seasons, 2003 and 2004, at Qalubia Gover-norate.
H Abul-Fadl   +2 more
doaj   +1 more source

Inferring Life History Characteristics of the Oceanic Whitetip Shark Carcharhinus longimanus From Vertebral Bomb Radiocarbon

open access: yesFrontiers in Marine Science, 2020
Oceanic whitetip sharks Carcharhinus longimanus are a cosmopolitan epipelagic species that was once prolific throughout the tropics and subtropics but was recently listed as Critically Endangered by the International Union for the Conservation of Nature ...
Michelle S. Passerotti   +2 more
doaj   +1 more source

Reciprocal intraguild predation and predator coexistence [PDF]

open access: yesEcology and Evolution, 2018
AbstractIntraguild predation is a mix of competition and predation and occurs when one species feeds on another species that uses similar resources. Theory predicts that intraguild predation hampers coexistence of species involved, but it is common in nature.
Renata Vieira Marques   +7 more
openaire   +4 more sources

Behavioral and Morphological Traits of Nellore Cattle That Can Influence Calf Survival and Performance from Birth to Weaning

open access: yesRuminants, 2023
This study aimed to identify behavioral and morphological traits of Nellore cattle that can influence calves’ survival and pre-weaning performance. It was performed in two units of a large-scale cow–calf operation farm located in the Central-West region ...
Mateus José Rodrigues Paranhos da Costa   +3 more
doaj   +1 more source

THE POTENTIAL OF THREE LARVAL PREDATORS AGAINST FALL ARMYWORM SPODOPTERA FRUGIPERDA (LEPIDPTERA: NOCTUIDAE) UNDER THE LABORATORY CONDITION [PDF]

open access: yesActa Scientifica Malaysia, 2021
Most cereal crops are often damaged by lepidopterous insects. Of recent, fall armyworm, S. frugiperda (J.E. Smith) has resulted into yield and economic loss in many African and Asian countries.
Moses Otuba, Jumrae Cho
doaj   +1 more source

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