The effect of Asahi SL and Polyversum WP preparations on the chemical composition of strawberry fruits

• Autorzy: Wysocki K. , Banaszkiewicz T. , Kopytowski J.

Warianty tytułu

EN

Wplyw preparatów Asahi SL i Polyversum WP na skład chemiczny owoców truskawki

• Języki publikacji: EN

Abstrakty

EN

Within a three-year cycle of studies, experiments were conducted with Polyversum WP biofungicide and Asahi SL biostimulant used as crop protection products of strawberry fruits of Kent and Senga Sengana varieties. A comparative combination was made of the following fungicides: thiram, iprodione, pyrimethanil and fenhexamid, that were applied accordingly to the strawberry protection program. All protective treatments had no significant effect on dry matter content of the fruits of both strawberry varieties and on the marketable yield in the case of Kent var. fruits. The use of combination of Asahi SL and Polyversum WP preparations resulted in increased contents of vitamin C and total sugars in fruits of Kent var. In the case of Senga Segana var., this treatment had a beneficial effect only on vitamin C content in one year of the study and on the increase in the marketable yield when coupled with synthetic fungicides. The applied crop protection products caused also sporadic changes in the contents of extract, organic acids, polyphenols, anthocyanins and antioxidative capacity of fruits of both strawberry varieties.

PL

W ciągu trzyletniego cyklu badań przeprowadzono doświadczenia z zastosowaniem biofungicydu Polyversum WP oraz biostymulatora Asahi SL w ochronie truskawki odmiany Kent i Senga Sengana. Kombinację porównawczą stanowiły fungicydy tiuram, iprodion, pirymetanil i fenheksamid stosowane zgodnie z programem ochrony truskawek. Wszystkie zabiegi ochronne nie miały istotnego wpływu na zawartość suchej masy w owocach obu badanych odmian truskawki oraz na wysokość plonu handlowego w odmianie Kent. W kombinacji z łącznym zastosowaniem preparatu Asahi SL i Polyversum WP obserwowano zwiększenie zawartości witaminy C i cukrów ogółem w owocach odmiany Kent. W przypadku odmiany Senga Segana widoczny był jedynie korzystny wpływ tego zabiegu na zawartość witaminy C w jednym roku badań oraz wzrost wysokości plonu handlowego w kombinacji z użyciem syntetycznych fungicydów. Stosowane środki ochrony roślin były również przyczyną sporadycznych zmian w zawartości ekstraktu, kwasów organicznych, polifenoli, antocyjanów i zdolności przeciwutleniającej owoców obu badanych odmian truskawek.

Słowa kluczowe

EN

crop protection; biostimulant; biofungicide; pesticide; Asahi SL preparation; Polyversum WP preparation; chemical composition; strawberry fruit

• Wydawca: -
• Czasopismo: Polish Journal of Natural Sciences
• Rocznik: 2017
• Tom: 32
• Numer: 3
• Opis fizyczny: p.439-450,ref.

Twórcy

autor

Wysocki K.

• Department of Horticulture, University of Warmia and Mazury in Olsztyn, Prawochenskiego 21, 10-957 Olsztyn, Poland,

autor

Banaszkiewicz T.

• Department of Phytopathology, Entomology and Molecular Diagnostics, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland

autor

Kopytowski J.

• Department of Horticulture, University of Warmia and Mazury in Olsztyn, Prawochenskiego 21, 10-957 Olsztyn, Poland

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