Results 1 to 10 of about 188,605 (185)
Determination of economic injury level of Sitobion avenae (Hom.: Aphididae) on wheat of Chameran variety in Ahwaz [PDF]
نامه انجمن حشرهشناسی ایران, 2015 The drought phenomenon in recent years has increased the oat aphid (Sitobion avenae Fab.) population in khuzestan wheat fields. Considering the existence of different natural enemies of this pest in cereal fields, the best control method would be based ...
Y. Khajehzadeh, M. Hasanimoghaddam
doaj +2 more sources
Predatory mites double the economic injury level of Frankliniella occidentalis in strawberry. [PDF]
Biocontrol (Dordr), 2016 The western flower thrips Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) causes bronzing to strawberry fruit. Management of insecticide-resistant strains relies on the integration of predators with carefully timed use of the few insecticides available.
Sampson C, Kirk WD.
europepmc +4 more sources
Plant Protection Science, 2001 The traditional model of Economic Injury Level (EIL) does not allow to directly incorporate aspects of damage to quality and safety of a product (Dq) into the decision-making process to control a pest (pathogen, weed, arthropod, vertebrate).
Václav Stejskal
doaj +2 more sources
Varroa destructor economic injury levels and pathogens associated with colony losses in Western Canada [PDF]
Frontiers in Bee ScienceIntroductionThe honey bee parasitic mite, Varroa destructor, is considered the main factor associated with winter colony losses. To control this mite, beekeepers must implement Integrated Pest Management (IPM) strategies.
Nuria Morfin +6 more
doaj +2 more sources
Revista Facultad Nacional de Agronomía Medellín, 2020 Mango is a tropical fruit with great production and market worldwide. In Colombia, it is an important crop with high export potential. There are many arthropods affecting mango production, such as thrips that feed on leaves, flowers, and small fruits ...
Paola Vanessa Sierra-Baquero +3 more
doaj +3 more sources
ECONOMIC INJURY LEVEL OF CITRUS BLACK-FLY IN COMMERCIAL ‘PERA-RIO’ ORANGE AREA [PDF]
Revista Brasileira de Fruticultura, 2017 Citrus black-fly (Aleurocanthus woglumi) has become an important pest in many citrus-producing regions in Brazil, causing direct and indirect damage to plants.
BRUNO GONÇALVES LIMA +4 more
doaj +2 more sources
Economic Injury Level of Myzus persicae (Homoptera: Aphididae) at Chinese Cabbage [PDF]
Korean journal of applied entomology, 2008 This study was conducted to estimate the economic injury level (EIL) and economic threshold (ET) of the green peach aphid, Myzus persicae, on Chinese cabbage (Brassica campestris var). The changes of biomass of Chinese cabbage and M. persicae density were investigated after introduction of M.
Heung-Yong Jeon +4 more
openaire +2 more sources
Economic Injury Level of Canjiqueira in Native Pastures in Pantanal of Nhecolândia [PDF]
Planta Daninha, 2019 : Pantanal plain has large extensions of land formed by many types of landscapes suitable to extensive livestock system. Open grasslands and lowlands are formed by forage such as grasses and forbs widely consumed by cattle.
C. BERSELI +4 more
doaj +2 more sources
Determination of economic injury level of Lipaphis erysimi (Hemiptera: Aphididae) on canola var. Hayola 401 in Khuzestan [PDF]
نامه انجمن حشرهشناسی ایران, 2009 Canola, an oil seed with high contents of oil, is a major farming in Khuzestan province, where there is an increase over its cultivation year by year. One of the canola key pests is mustard aphid (Lipaphis erysimi Kalt.) in this province.
Y. Khajehzadeh +3 more
doaj +1 more source
Population densities and economic injury levels of grape leafhopper
California Agriculture, 1969 WHEN THE GRAPE integrated control project was started in 1961, the grape leafhopper, Erythroneura elegantula Osborn, was believed to be the primary pest of vineyards in the San Joaquin Valley. Also, it was believed that chemical treatments to control this insect were responsible for the increase of secondary pests such as spider mites. The basic aim of
F Jensen, D Flaherty, L Chiarappa
openaire +2 more sources