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Potato virus Y (PVY) is one of the most destructive viruses infecting potato in Egypt and worldwide. Recent research has shown that a necrotic PVY-NTN strain is infecting potato in Upper Egypt. Chemical control is not effective to control this viral pathogen. An alternative to control PVY infecting potato is using a mild PVY strain to elicit systemic cross protection in potato plants against infection...
This paper presents calculations based on results of a field experiment, in which selected potato cultivars grown for industrial processing received different fertilization. The data originated from trials on three potato cultivars: Adam, Pasja Pomorska and Ślęza, at set up at the Research Station in Bałcyny, owned by the University of Warmia and Mazury in Olsztyn, and completed in 2008-2010. The...
W latach 2011-2013 w Instytucie Hodowli i Aklimatyzacji Roślin – Państwowym Instytucie Badawczym, Oddział Jadwisin, przeprowadzono doświadczenie polowe, którego celem było opracowanie agrotechniki nowych odmian zapewniającej wysoki plon handlowy ziemniaków „młodych”, zbieranych we wczesnym terminie zbioru – po 75 dniach od sadzenia i ziemniaków zbieranych po uzyskaniu przez bulwy dojrzałości pełnej,...
In the article, the results of long-term research (2006–2010) on biological substantiation and the improved potato protection system against Colorado beetle in Belarus are presented. The system is based on age and the phenotypic structure of the phytophage population definition, and their resistance monitoring to pyrethroids by frequency of phenomorph №3 occurrence. The system includes a pre-planting...
In 2009-2010 the effect of multiple plant spraying with biotechnical preparations (Biochikol 020 PC - chitosanbased agent, Grevit 200 SL - extract of grapefruit, Prev-AM 060 SL - orange oil) on protection against Phytophthora infestans of both potato canopy and tubers (cultivar 'Vineta N') was investigated. Acrobat MZ 69 WG (9% dimethomorph + 60% mancozeb) was used as a standard agent. In the first...
An exact micro-plot experiment was conducted to determine the effect of fungicides (treatments: Sandofan Manco 64 WP, Penncozeb 80 WP, Tanos 50 WG; Tanos 50 WG applied three times; Tanos 50 WG, Penncozeb 80 WP, Tanos 50 WG) on the severity of late blight and early blight in three potato cultivars and on the composition of fugal communities colonizing potato leaves. The tested fungicides significantly...
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