搜索结果: 1-13 共查到“农学 Natural Enemies”相关记录13条 . 查询时间(0.093 秒)
Key scale insects (Hemiptera: Coccoidea) of high economic importance in a Mediterranean area: host plants, bio-ecological characteristics, natural enemies and pest management strategies – a review
Planococcus ficus Planococcus citri Saissetia oleae Parlatoria ziziphi grapevine citrus olive Integrated Pest Management Tunisia
2017/4/6
Key scale insects that have long been considered as having high economic importance in Tunisia and for which several research studies and pest management programs have been undertaken include the meal...
Attractiveness of flowering plants for natural enemies
flowers beneficial insects visiting biodiversity
2015/3/17
The set of 7 flowering plant species (Anethum graveolens, Calendula officinalis, Centaurea cyanus, Fagopyrum esculentum, Foeniculum vulgare, Tagetes patula and Vicia faba) was compared for their attra...
Contribution to knowledge of Hylesinus fraxini (Panzer, 1779) (Coleoptera: Scolytidae) natural enemies from Northern Moravia (Czech Republic)
Nakládal O. Turč áni M.
2015/3/6
Predation by natural enemies was studied as mortality factors of Hylesinus fraxini in 2006–2007. Predation by birds was not recorded and predation rate by insect reached 0.1%. Only one insect predator...
Influence of Intercropping with Spring Cereals on the Occurrence of Pea Aphids (Acyrthosiphon pisum Harris, 1776) and their Natural Enemies in Field Pea (Pisum sativum L.)
Acyrthosiphon pisum syrphid eggs syrphid larvae
2015/3/6
Occurrences of pea aphids and their natural enemies (syrphids, mummies caused by entomopathogenic fungi
Beauveria sp. and by the parasitic wasp Aphidius ervi) were compared in monocultures and mixtu...
Occurrence, development and natural enemies of cecidogenous generations of Pemphigus gairi Stroyan (Sternorrhyncha, Pemphigidae)
Pemphigus gairi Populus spp. occurrence development galls enemies Anthocoris minki importance
2015/2/2
The paper deals with the occurrence, development and natural enemies of the cecidogenous aphid Pemphigus gairi Stroyan (Pemphigidae). The aphid abundantly occurred on leaves of Populus nigra and P. ni...
Prey preference, interaction with selected natural enemies, and alternative nutritional sources of the mirid bug Dicyphus tamaninii Wagner
Aphis gossypii biological control Dicyphus tamaninii natural enemies prey preference
2010/10/29
The present study aimed to investigate the prey preference of the omnivorous bug Dicyphus tamaninii Wagner (Heteroptera: Miridae) among 5 different prey species, and its interaction with 3 different n...
NATURAL ENEMIES OF DIURAPHIS NOXIA (STERNORRHYNCHA: APHIDIDAE) IN SLOVAKIA
Aphidoletes aphidimyza barley Diaeretiella rapae dipteran predators
2010/12/8
A study from 2002 documented the occurrence of natural enemies (parasitoid wasps, predatory fl ies, entomopathogenic fungi) associated with colonies of the Russian wheat aphid, Diuraphis noxia (Kurdju...
Natural enemies on Mikania micrantha H.B.K. in Kerala
Biocontrol agents Mikania micrantha natural enemies
2009/2/20
Laboratory and field investigations were conducted to identify the natural enemies of Mikania micrantha H.B.K. and to evaluate their efficacy as biocontrol agents. During a survey on the distributio...
Investigations on Natural Enemies, Some Biological Characteristics and Population Fluctuations of Lepidosaphes ulmi（L.）（Homoptera, Coccidae）Harmful
Natural Enemies Some Biological Characteristics Population Fluctuations
2009/1/16
This study was carried out from 1991 to 1993, in Van province (Erciş, Edremit, Gevaş), which aimed to find out the population fluctations, some biological characteristics and natural enemie...
Density of Centaurea solstitialis L. and Its Natural Enemies Ceratapion spp. in Southern Turkey
Biological control weed Centaurea solstitialis Ceratapion spp
2009/1/13
Centaurea solstitialis L., yellow star thistle, is an annual weed that belongs to the family Asteraceae. In Turkey, this weed can be found in pasture areas, along roadsides, in cultivated areas and i...
Biodiversity and Dynamics of Planthoppers and Their Natural Enemies in Rice Fields with Different Nitrogen Regimes
Nilaparvata lugens nitrogen fertilizer biodiversity natural enemy rice field biological control
2009/1/7
A field experiment was conducted to study the effect of different nitrogen fertilizer rates i.e. 200, 100 and 0 kg N/ha in paddy fields at International Rice Research Institute, Manila, Philippines. B...
Diversity of Rice Leaf Folders and Their Natural Enemies
Rice Leaf folders Three species Biology Natural enemies
2010/11/10
Three species of rice leaf folders occur in Madurai district viz., Cnaphalocrocis medinalis
(Guenee), Marasmia patnalis (Bradley) and Marasmia ruralis (Walker) among which the former was
dominant. T...
Insect pests and their natural enemies on spring oilseed rape in Estonia : impact of cropping systems
spring oilseed rape pollen beetles Hymenoptera Carabidae,
2010/8/10
To investigate the impact of different cropping systems, the pests, their hymenopteran parasitoids and predatory ground beetles present in two spring rape crops in Estonia, in 2003, were compared. One...