Results 71 to 80 of about 330,865 (239)

Comparison of the relationship among three major pests and multiple natural enemies in tea garden

open access: yes浙江大学学报. 农业与生命科学版, 2010
To determine the major natural enemies of pests, the tea pests and their natural enemies were investigated systematically, and the survey data of the pests and natural enemies were further studied using grey correlation analysis, ecological niche ...
DANG Feng-hua   +4 more
doaj   +1 more source

A model-based approach to assess the effectiveness of pest biocontrol by natural enemies

open access: yes, 2016
Main goal: The aim of this note is to propose a modeling approach for assessing the effectiveness of pest biocontrol by natural enemies in diversified agricultural landscapes including several pesticide-based management strategies.
Ciss, Mamadou   +6 more
core  

Effects of Insecticides on Pest Populations and Their Natural Enemies in Soybean Field [PDF]

open access: yes, 1987
In the 5-time field experiments and broad demonstrations, effects of volume and application formulae of several pesticides on the population densities of major inset pests and natural enemies in the soybean field were determined. Results from the Ducan’s
Gao, Xiaohua   +4 more
core  

Peran insektisida botani ekstrak biji mimba untuk konservasi musuh alami dalam pengelolaan serangga hama kapas.

open access: yesJurnal Entomologi Indonesia, 2016
Natural Enemies Conservation: The Role of Neem-seed Extracts for Natural Enemies Conservation Used of Cotton Insect Pest Control. Insects associated with cotton plant are numerous, as the plant bears extrafloral nectar.
Dwi Adi Sunarto, nurindah nurindah
doaj   +1 more source

Toxicity of G-P Compound Bioinsecticide to Aphids and Their Natural Enemies in Soybean Fields [PDF]

open access: yes, 1997
The results of both laboratory and field tests on the toxicity of GP compound bioinsecticide to aphids and their natural enemies in soybean fields were reported in this paper.
Dai, Mei Xue, Zu, Ai Min
core  

New record of the genus Toxares Haliday (Hymenoptera: Braconidae: Aphidiinae) from Korea

open access: yesJournal of Asia-Pacific Biodiversity, 2017
The genus Toxares (Braconidae: Aphidiinae) is reported for the first time in Korea. Toxares deltiger (Haliday, 1833) is found as new to Korea. It has a wide host range causing it to be useful as a natural enemy for 31 aphid species within Aphididae ...
Subin Choi, Deok-Seo Ku, Hyojoong Kim
doaj   +1 more source

Wildflower strips to reduce lepidopteran pests in cabbage crops [PDF]

open access: yes, 2006
Vegetable production systems are highly intensive and the periodic cultivations lead to un-favourable conditions for natural enemies. Using non-crops it is possible to create ecological infra-structure offering suitable food for natural enemies, and ...
Lichtenhahn, Martin   +3 more
core  

Impact of Reduced-Risk Insecticides on Soybean Aphid and Associated Natural Enemies [PDF]

open access: yes, 2009
Insect predators in North America suppress Aphis glycinesMatsumura (Hemiptera: Aphididae) populations; however, insecticides are required when populations reach economically damaging levels. Currently, insecticides used to manage A.
Johnson, Kevin   +3 more
core   +3 more sources

Transfer and biological effects of cadmium along a tomato – thrip – predatory bug food chain

open access: yesEcotoxicology and Environmental Safety
The heavy metal, cadmium (Cd) is an increasingly serious issue in agricultural ecosystems, mediating bottom-up effects on plants, herbivores and natural enemies. We measured how Cd modifies interactions between tomato Solanum lycopersicum, western flower
Zhengyang Zhu   +6 more
doaj   +1 more source

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