Results 241 to 250 of about 21,139 (297)
Agricultural and Forest Entomology, EarlyView.We compared soybean plants from untreated and treated seeds across 4 sites and 3 years in Maryland. Neonicotinoid seed treatments (NST) provided little reduction in insect stippling damage and no reduction in chewing damage. NST did not result in increased plant biomass or bean yield. Abstract The use of neonicotinoid insecticides in seed treatments in
Kelsey J. McGurrin +4 more
wiley +1 more source
A mathematical study of a crop-pest–natural enemy model with Z-type control
Mathematics and Computers in Simulation, 2021 In this paper, we apply the Z-type control method to a crop-pest–natural enemy model. We consider the indirect Z-controller in the natural enemy population and investigate the mathematical properties of the model.
Dibyendu Sekhar Mandal +2 more
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Adaptive Release of Natural Enemies in a Pest-Natural Enemy System with Pesticide Resistance
Bulletin of Mathematical Biology, 2013 Integrated pest management options such as combining chemical and biological control are optimal for combating pesticide resistance, but pose questions if a pest is to be controlled to extinction. These questions include (i) what is the relationship between the evolution of pesticide resistance and the number of natural enemies released?
Liang, Juhua +3 more
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Agriculture, Ecosystems and Environment, 2014 International audienceSemi-natural habitats (SNH) play key roles for arthropod natural enemy communities in agricultural landscapes. Positive relationship between landscape complexity and biological pest control is now well known and is assumed to mainly
Jean-Pierre Sarthou, Adrien Rusch
exaly +2 more sources
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Environmental Ethics, 2000
Abstract For many who live in modern cities, nature is a haven, a refuge from an urban jungle. The frustrations of the city make it easy to feel nostalgia for a simple life that never was: days spent hiking in the Grand Canyon, nights spent curled up by the fireplace after a hot shower and something nice from the refrigerator.
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Abstract For many who live in modern cities, nature is a haven, a refuge from an urban jungle. The frustrations of the city make it easy to feel nostalgia for a simple life that never was: days spent hiking in the Grand Canyon, nights spent curled up by the fireplace after a hot shower and something nice from the refrigerator.
openaire +1 more source
Natural Enemies--Metaphor or Misconception?
Science, 2003When two northern snakeheads, a carnivorous Asian fish, were discovered with their progeny in a Maryland pond in 2002, the state produced an "unwanted" poster, and biologists publicly declared the fish to be an imminent danger to East Coast aquatic ecosystems.
Chew, M., Laubichler, M.
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2009
Abstract Bumblebees are attacked in various stages of their life cycle by a diverse range of predators, parasites and parasitoids. The importance of these organisms is perhaps best illustrated by the vigour of bumblebees when they are freed from their natural enemies.
Dave Goulson, Mark J F Brown
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Abstract Bumblebees are attacked in various stages of their life cycle by a diverse range of predators, parasites and parasitoids. The importance of these organisms is perhaps best illustrated by the vigour of bumblebees when they are freed from their natural enemies.
Dave Goulson, Mark J F Brown
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The Enemy of Natureand the Nature of the Enemy
Capitalism Nature Socialism, 2002Walt Contreras Sheasby, Derek Wall
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PLANT CHEMISTRY AND NATURAL ENEMY FITNESS: Effects on Herbivore and Natural Enemy Interactions
Annual Review of Entomology, 2006▪ Abstract Tremendous strides have been made regarding our understanding of how host plant chemistry influences the interactions between herbivores and their natural enemies. While most work has focused on plant chemistry effects on host location and acceptance by natural enemies, an increasing number of studies examine negative effects.
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