Results 51 to 60 of about 330,865 (239)

Effects of different tea plantation management systems on arthropod assemblages and network structure

open access: yesEcosphere, 2021
Tea plantations are intensive monocultures and vulnerable to various pests due to a low diversity of natural enemies. In ancient tea plantations, the trees have grown for hundreds of years in mixed stands with many native trees, resulting in a landscape ...
Yuanyuan Meng   +6 more
doaj   +1 more source

Silica and Selenium Nanoparticles Attract or Repel Scale Insects by Altering Physicochemical Leaf Traits

open access: yesPlants
Although nanoparticles have gained attention as efficient alternatives to conventional agricultural chemicals, there is limited knowledge regarding their effects on herbivorous insect behavior and plant physicochemistry. Here, we investigated the effects
Siyi Gao, Midori Tuda
doaj   +1 more source

Review of the Palaearctic species of Apsilocera Bouček, 1956 (Chalcidoidea, Pteromalidae), with descriptions of the eight new species [PDF]

open access: yesZooKeys
Palaearctic species of the genus Apsilocera Bouček, 1956 are reviewed. Twelve Palaearctic species are recognized based on females, of which eight new species are described: Apsilocera bradburyi Tselikh, Lee & Ku, sp. nov.
Ekaterina V. Tselikh   +4 more
doaj   +3 more sources

A primary survey of aphid species on almond and peach, and natural enemies of Brachycaudus amygdalinus in As-Sweida, Southern Syria [PDF]

open access: yes, 2008
Syria is one of the biggest almond producer country in the world. Few arthropdes that live on almond are consider as pests. Aphids are one of the major pests their.
Almatni, W., Khalil, N.
core  

The Response of Natural Enemies to Selective Insecticides Applied to Soybean [PDF]

open access: yes, 2012
Natural enemies of the invasive pest Aphis glycines Matsumura can prevent its establishment and population growth. However, current A. glycines management practices include the application of broad-spectrum insecticides that affect pests and natural ...
O'Neal, Matthew   +2 more
core   +3 more sources

Effect of Insecticides and Plutella xylostella (Lepidoptera: Plutellidae) Genotype on a Predator and Parasitoid and Implications for the Evolution of Insecticide Resistance [PDF]

open access: yes, 2017
In the laboratory and in cages in the greenhouse, we evaluated the toxicity of two insecticides (lambda-cyhalothrin and spinosad) on the parasitoid, Diadegma insulare (Cresson), and the predator, Coleomegilla maculate (DeGeer), both natural enemies of ...
Chen, Mao   +6 more
core  

Bistability induced by generalist natural enemies can reverse pest invasions [PDF]

open access: yes, 2016
Reaction-diffusion analytical modeling of predator-prey systems has shown that specialist natural enemies can slow, stop and even reverse pest invasions, assuming that the prey population displays a strong Allee effect in its growth.
Barles, Guy   +3 more
core   +2 more sources

Konceptuell modell  Övervakningsmetoder för naturliga fiender i relation till skadegörarförekomst, biologi och metodernas styrkor och svagheter [PDF]

open access: yes, 2017
A poster showing the relationship between major pests, key natural enemies and monitoring methods for natural enemies over a growing season.
Joakim, Pålsson   +3 more
core  

Biological control of pests in protected cultivation: implementation in Latin America and successes in Europe [PDF]

open access: yes
The area with greenhouse crops is estimated to be around 40,000 hectares in Latin America, of which approximately 60% is occupied with ornamentals. Several pests are responsible for losses in yield or quality of greenhouse crops production and pest ...
Bueno, V.H.P., Lenteren, J.C., van
core   +1 more source

Home - About - Disclaimer - Privacy