Results 91 to 100 of about 2,567 (236)

O contributo do projecto INTERFRUTA II para o desenvolvimento da fruticultura na ilha Terceira, Açores [PDF]

open access: yes, 2007
13º Congresso da APDR (Associação Portuguesa para o Desenvolvimento Rural). Angra do Heroísmo, Julho de 2007.O Projecto Interfruta II é um projecto apoiado pelo programa Interreg III-B, desenvolvido nas Ilhas da Madeira, Tenerife (Canárias) e Terceira ...
Borges, Paulo A. V.   +11 more
core  

Differential response of grapevine cultivars to European red mite (Panonychus ulmi KOCH)- elaboration of a screening method [PDF]

open access: yes, 2015
Population development of the European red mite, Panonychus ulmi KOCH, was studied in the field on 16 Vitis vinifera cultivars and 5 interspecific crosses.
Rilling, G.
core   +2 more sources

Monitoring resistance of Cydia pomonella (L.) Spanish field populations to new chemical insecticides and the mechanisms involved [PDF]

open access: yes, 2017
BACKGROUND: A widespread resistance of Cydia pomonella to organophosphates was demonstrated in populations from the Spanish Ebro Valley area that showed high levels of enzymatic detoxification.
Avilla Hernández, Jesús   +2 more
core   +3 more sources

Studies on integrated control ofPanonychus ulmiin New Zealand apple orchards [PDF]

open access: yesNew Zealand Journal of Experimental Agriculture, 1973
Abstract Attempts were made to utilise a strain of Typhlodromus pyri Scheut. resistant to azinphos-methyl in an integrated programme to control Panonychus ulmi (Koch). Initial populations of P. ulmi were high, and T. pyri was not able to regulate the numbers of this pest. Populations of T.
openaire   +2 more sources

Understanding earwig phenology in top fruit orchards [PDF]

open access: yes, 2008
Earwigs, Forficula auricularia, are key generalist predators to a variety of orchard pests. However, numbers of earwigs have declined in both organic and IPM orchards in recent years. Both Integrated and Organic fruit growers have tried to re-establish
Gobin, B.   +3 more
core  

Resistance to acaricides by European red mite studied in Bartlett pear field plots

open access: yesCalifornia Agriculture, 1960
The incidence of resistance to certain acaricides by the European red mite—Panonychus ulmi (Koch)—has increased severely during the past few seasons. The acaricides were organic phosphate compounds and such specific acaricides as Ovex and other closely ...
H Madsen, P Westigard
doaj  

Managing spider mites in almonds with pesticide-resistant predators

open access: yesCalifornia Agriculture, 1984
Not available – first paragraph follows: During the past three years, we have investigated the use of pesticide-resistant strains of spider mite predator released into almond orchards as components of an integrated management program. This predatory mite,
M Hoy   +5 more
doaj  

Anystis baccarum: An Important Generalist Predatory Mite to be Considered in Apple Orchard Pest Management Strategies

open access: yesInsects, 2014
The increasing concern over the continued use of pesticides is pressurising apple growers to look for alternatives to chemical pest control. The re-discovery, and subsequent conservation, of the beneficial predatory mite, Anystis baccarum (Linnaeus ...
Andrew G. S. Cuthbertson   +2 more
doaj   +1 more source

Phytoseiidae-heimon (Acari: Gamasina) petopunkit omenaviljelmillä ja niiden merkitys tuholaisina esiintyvien punkkien integroidussa torjunnassa [PDF]

open access: yes, 1993
On apple tree leaves, the most abundant predatory phytoseiid species were Euseius finlandicus (Oudemans), comprising 39% of specimens found in surveys in 1985 and 1989, Phyloseius macropilis (Banks), 32%, and Paraseiulus soleiger (Ribaga), 18 ...
Tuovinen, Tuomo
core   +2 more sources

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