Results 41 to 50 of about 911 (161)

Satellite DNA as a target for TaqMan real-time PCR detection of the pinewood nematode, Bursaphelenchus xylophilus [PDF]

open access: yes, 2007
The pinewood nematode (PWN), Bursaphelenchus xylophilus , is a major pathogen of conifers, which impacts on forest health, natural ecosystem stability and international trade. As a consequence, it has been listed as a quarantine organism in Europe.
BOONHAM, NEIL   +9 more
core   +1 more source

ASPECTS REGARDING THE PHYTOSANITARY SITUATION OF AN UNTENDED APPLE ORCHARD [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2016
Romania, an European country in which pomiculture is of a main significance, especially from an economic point of view, is well represented by a diversity of species, amongst which the apple (Malus domestica) plays a significant role when it comes to ...
Maria TĂNASE
doaj  

Effect of Rapid or slow release nitrogen supply and cover crop/weed management on crop yield, pest incidence and fruit quality in intensive organic apple production [PDF]

open access: yes, 2007
Apple is the commercially most important top fruit crop grown in the European Union. In spring 2001 one-year-old trees of the apple variety ‘Ingrid Marie’ were established in an organic production system with 3.0 m between the tree rows.
Lindhard Pedersen, H.
core  

Further Limitations of Synthetic Fungicide Use and Expansion of Organic Agriculture in Europe Will Increase the Environmental and Health Risks of Chemical Crop Protection Caused by Copper‐Containing Fungicides

open access: yesEnvironmental Toxicology and Chemistry, Volume 43, Issue 1, Page 19-30, January 2024.
Abstract Copper‐containing fungicides have been used in agriculture since 1885. The divalent copper ion is a nonbiodegradable multisite inhibitor that has a strictly protective, nonsystemic effect on plants. Copper‐containing plant protection products currently approved in Germany contain copper oxychloride, copper hydroxide, and tribasic copper ...
Quentin C. Burandt   +2 more
wiley   +1 more source

Comparacion de dos aislados de Nectria galligena Bres. en relacion a su patogenicidad en ramillas de manzano cv. Red Chief y Granny Smith [PDF]

open access: yes, 2002
Resumen (Spanish, English)42 p.Dos aislados de Nectria galligena Bres., provenientes de San Clemente, VII Región, y Temuco, IX Región, fueron comparados en su habilidad para producir lesiones cancrosas en ramillas de manzano de las variedades Red Chief y
Bravo Clavijo, Victor Alejandro   +2 more
core  

Fruktträdskräfta [PDF]

open access: yes, 2010
För att träden ska kunna infekteras av fruktträdskräfta i någon större omfattning måste följande fem faktorer sammanfalla; - En relativt mottaglig äppelsort. - Inkörsport i träden t.ex. via sår. - Tillräckligt med sporer tillgängliga. - Regna under minst
Rämert, Birgitta   +2 more
core  

Hot Water Dipping in Northern Germany- on farm results after four years of scientific work [PDF]

open access: yes, 2006
In general, organic grown apples (Malus x domestica Borkh.) are not treated with chemical fungicides to pre-vent storage decay and these fruits may suffer up to 30% decay during storage.
Benduhn, Bastian   +4 more
core  

Грибные и бактериальные микроорганизмы - возбудители раковых болезней плодовых культур [PDF]

open access: yes, 2011
В статье приведены данные, полученные в результате обследований плодовых насаждений в республике и дальнейших лабораторных и полевых опытов. Описаны симптомы, поражения, вредоносность возбудителей раковых болезней бактериального происхождения ...
Григорцевич, Любовь Николаевна
core  

UK and EU policy for approval of pesticides suitable for organic systems: Implications for Wales [PDF]

open access: yes, 2004
This study was commissioned by the Welsh Assembly Government (WAG) to review the pesticide approval system in the UK and Europe as far as it affects the use of substances and techniques for crop protection by organic producers in Wales. WAG considers it
Bradshaw, N J   +4 more
core  

Low nitrogen manuring increased yield in high-density organic apple production [PDF]

open access: yes, 2005
Yield, fruit quality and infections of diseases are determined by many production factors in the orchard. Water and nutrition supply, the choice of rootstock, planting density and control of diseases and pest are ...
Lindhard Pedersen, Hanne
core  

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