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The experiment was established in the spring of 2005 at the Experimental Ecological Orchard in Nowy Dwór-Parcela (central Poland). The aim was to assess tree growth vigour and yielding as well as fruit quality of the cultivar ‘Jojo’ grafted onto Myrobalan and ‘Wangenheim Prune’ seedlings. The trees were maintained in accordance with the principles of organic fruit-growing. The trees grafted onto Myrobalan...
The fruits of the old cultivars are valuable because of the taste and their culinary usefulness. The old cultivars of plants increase biodiversity in organic farms. Plum fruits are characterized by high healthy potential because they are rich in numerous biologically active compounds (polyphenols, especially phenolic acids, flavonoids and anthocyans), as well as vitamin C. In the presented work the...
Na naszych oczach dokonuje się rewolucyjna zmiana. Zmniejszające się konsekwentnie bogactwa naturalne, ryzyko ich niedoboru, a tym samym wzrastające ceny stworzyły potrzebę innowacyjnego podejścia do myślenia o wykorzystywaniu dostępnych surowców ? materiałów, a także energii. Zmiany te determinuje rosnąca świadomość ekologiczna społeczeństwa, w tym coraz większa wrażliwość na otoczenie, w którym...
In an experiment conducted in the years 2004-2013, the possibility of organic production of the fruit of four cultivars of the Japanese plum (Prunus salicina Lindl.) was evaluated at the Experimental Ecological Orchard in Nowy Dwór-Parcela (central Poland). The studied objects included trees of the cultivars ‘Najdiena’, ‘Shiro’, ‘Vanier’ and ‘Black Amber’ grafted onto Myrobalan seedlings. Under organic...
The rules of organic fruit production are a very strict. Only natural fertilizers and plant protection products are allowed. Fruit produced by organically way are characterized by a higher content of biologically active compounds in comparison with conventional one. The consumer prefer sweet cherry fruits due to their pleasant taste and the pro-healthy properties. Sweet cherry fruits are a very good...
The experiment assessed the possibility of organic production of fruit of three sour cherry cultivars. Among the cultivars under evaluation were two cultivars of Hungarian breeding: ‘Debreceni Bötermö’ and ‘Erdi Bötermö’, and one cultivar of Polish breeding - ‘Sokówka Nr 6’. Trees grafted onto Prunus mahaleb seedlings were planted in the spring of 2005 in the Experimental Ecological Orchard in Nowy...
The study presents the results of the research on dispensers used to lure cherry fruit flies in biological tests together with yellow sticky-coated visual traps. The field tests showed that yellow Rebell traps with the dispenser containing the food attractant based on the blend of ammonium acetate and ammonium carbonate as well as putrescine (added in a separate container) were the most suitable in...
In the years 2013-2014, the effectiveness of plant-derived preparations in controlling the rosy apple aphid Dysaphis plantaginea (Passerini) and the green apple aphid Aphis pomi (de Geer) was assessed in an organic apple orchard. Use was made of own in-house made preparations that included infusions of the field horsetail Equisetum arvense (L.), garlic Allium sativum (L.), seeds of white mustard Sinapis...
The experiment, conducted in 2004-2013, assessed the possibility of organic production of the fruit of three sweet cherry cultivars. The objects studied were trees of the cultivars: ‘Karesova’, ‘Burlat’ and ‘Summit’, grafted on Prunus avium seedlings. The experiment was established in the spring of 2004 in the Experimental Ecological Orchard in Nowy Dwór-Parcela (central Poland). The trees were grown...
In 2013-2014, a study was conducted to assess the effectiveness of plant extracts in controlling the black cherry aphid (Myzus cerasi F.) in an ecological orchard. The tested decoctions were prepared from the field horsetail (Equisetum arvense), white mustard (Sinapis alba), Indian mustard (Brassica juncea), garlic (Allium sativum) and the wood of Quassia amara. In addition, an extract from the seeds...
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