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16 results on '"Bielenin, Anna"'

4. Status of integrated strawberry production practices within Europe in relation to IOBC standards:Integrierte Erdbeerproduktion in Europa, Stand der Umsetzung der IOBC-Rahmenrichtlinien für die Integrierte Beerenobstproduktion

Author

Steffek, Robert, Bylemans, Dany, Nikolova, Ginka, Carlen, Christiph, Faby, Rudolf, Daugaard, Holger, Tirado, Leandro, Plommier, Jean-Jacques, Tuovinen, Tuomo, Nyerges, Klara, Manici, Luisa, MacNaeidhe, Fionnain, Trandem, Nina, Wander, Johan, Evenhuis, Bert, Labanowska, Barbara, Bielenin, Anna, Svensson, Birgitta, Fitzgerald, Jean, and Blümel, Sylvia

Published
2003

10. Evaluation of selective media and bait methods for estimating <em> Phytophthora cactorum</em> in apple orchard soils.

Author

Harris, D.C. and Bielenin, Anna

Subjects
*PHYTOPHTHORA cactorum, *SOILS, *APPLE diseases & pests, *PLANT diseases, *ORCHARDS
Abstract

Soil plating, with a specially devised selective medium, gave estimates of Phytophthora cactorum in an East Malling Research Station apple orchard soil up to three times those obtained by dilution and baiting with apple seedlings or cotyledons and using the most probable number analysis. When the same techniques were applied to a range of soils from apple orchards in south-east England with a history of P. cactorum disease the plating method failed in most instances, mainly because Phytium spp. rapidly swamped the plates. The dilution/baiting method was applicable to all soils though there was a tendency to underestimate because of anomalous results at lower soil dilutions. Oospores were the only propagules which could be confirmed as sources of P. cactorum colonies on soil isolation plates. [ABSTRACT FROM AUTHOR]

Published
1986
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11. Wpływ jesiennego opryskiwania mocznikiem na mrozoodporność jabłoni [Autumn urea application and cold hardiness of apple trees]

Author

Meszka, Beata, Bielenin, Anna, Meszka, Beata, and Bielenin, Anna

Abstract

Effect of autumn urea application on cold hardiness of apple trees was investigated at Experimental Orchard in Dąbrowice on four apple cultivars ('Szampioii'. 'Jonagold', 'Elstar' and 'Spartan') of different sensitivity to low temperature injuries. During three-years experiment (2000–2002) no changes in frost resistance of apple trees after urea treatment in the end of October (during leaves fall) were noted. After the earlier application of urea, at middle of October. significantly more damages of annual shoots of cv. 'Jonagold' occurred only in the season 2001. These damages did not influence later growth of apple trees. Spring observations indicated that for all apple's cultivars setting of buds was better on treated with urea than on untreated ones. Electrolyte leakage determinations confirmed the field results that urea did not cause decrease in low temperature resistance of apple trees.

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