Direct and apparent residual effects of prohexadione – calcium applied to young cropping sweet cherry trees

• Autorzy: Jacyna T. , Lipa T.

Warianty tytułu

PL

Działanie bezpośrednie i następcze proheksadionu wapia (Regalis) zastosowanego na młode owocujące drzewa czereśni

• Języki publikacji: EN

Abstrakty

EN

The same young cropping ‘Regina’ sweet cherry trees were foliar treated with prohexadione-calcium (Pro- Ca) in two consecutive years at a concentration of [ 125, 125 x 2, 250 ]-(A) and [ 250, 375, 500 ]-(B) mg ProCa l-1, respectively. The following year some trees from A-treatments were left untreated to observe carry-over effects (C). None of A-treatments influenced tree trunk, shoot extension and internode growth, whereas B-treatments reduced shoot extension and internode length, simultaneously increasing flower bud density, particularly by 500 mg ProCa l-1. There were no carry-over effects produced by C-trees, except some retardation in shoot extension. None of the treatments influenced the tree cropping level. Fruit diameter was reduced by A-treatments, but fruit shape (L/D ratio) and mass were reduced by treatments B, and such reduction was also exhibited by C-trees (residual effects).

PL

Słowa kluczowe

EN

bioregulator; residual effect; prohexadione-calcium; young plant; cropping; bird cherry tree; fruit quality; growth retardation; Regalis preparation

• Wydawca: -
• Czasopismo: Acta Agrobotanica
• Rocznik: 2010
• Tom: 63
• Numer: 1
• Opis fizyczny: p.87-92,ref.

Twórcy

autor

Jacyna T.

• Department of Pomology, University of Life Sciences in Lublin, Leszczynskiego 58, 20-086 Lublin, Poland

autor

Lipa T.

Bibliografia

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