Air and root medium temperature and the rooting of chrysanthemum and rose cuttings

• Autorzy: Borowski E. , Hagen P. , Moe R.

Warianty tytułu

PL

Wpływ temperatury środowiska korzeni i powietrza na ukorzenianie się sadzonek chryzantem i róż

• Języki publikacji: EN

Abstrakty

EN

Cuttings of the chrysanthemum cultivar 'Horim' and rose cultivar 'Garnette' were rooted at 21°C, 24°C, 27°C root temperature in a factorial combination with 15°C, 18°C and 21°C air temperature. In each of the air and root temperatures, rose cuttings from different positions of the flower shoot were rooted. The effects of air and root temperatures and their interactions on root formation of chrysanthemum and rose cuttings were studied. Increasing the air temperature from 15°C to 21°C accelerated rooting and distinctly increased the number of roots per cutting on both plants. Higher root temperatures (24°C, 27°C) had a favorable influence on the rate of the rooting process but did not enhance the number of formed roots. Increasing both temperatures significantly increased the growth of the roots and their fresh and dry weight. An adverse effect of the root temperature was noticed on the breaking and growth of rose buds. Increasing the temperature from 21°C to 27°C strongly decreased the percentage of breaking buds and their growth, The results are discussed from the point of view of the influence air temperature on the contents of growth substances in the cuttings.

PL

W pracy określono wpływ zróżnicowanych temperatur środowiska korzeni i powietrza na ukorzenianie się sadzonek chryzantem odmiany 'Horim' i róż odmiany 'Garnette'. Sadzonki obu roślin ukorzeniano w wodzie o temperaturze 21°C, 24°C i 27°C (±0.5°C), przy temperaturze powietrza 15°C, 18°C i 21°C (±1°C). W wyniku przeprowadzonych badań stwierdzono, że wzrost temperatury powietrza w zakresie od 15°C do 21°C wpłynął na przyspieszenie procesu ukorzeniania i istotne zwiększenie liczby korzeni formowanych na sadzonkach obu gatunków roślin. Wyższa temperatura wody (24°C, 27°C) wywierała korzystny wpływ na tempo procesu ukorzeniania, natomiast nie miała wpływu na średnią liczbę korzeni formowanych na sadzonkach chryzantem i róż. Wzrost zarówno temperatury wody jak i powietrza powodował istotne zwiększenie tempa wzrostu wydłużeniowego korzeni, a tym samym podwyższenie ich świeżej i suchej masy. Odwrotny był wpływ temperatury wody na rozwój pąków śpiących na sadzonkach róż. Wzrost temperatury w zakresie od 21°C do 27°C miał wpływ na zmniejszenie liczby wybitych pąków śpiących.

• Wydawca: -
• Czasopismo: Acta Agrobotanica
• Rocznik: 1987
• Tom: 40
• Numer: 1-2
• Opis fizyczny: p.28-39,fig.,ref.

Twórcy

autor

Borowski E.

• Institute of Natural Principles of Plant Production, Agricultural Academy, Akademicka 15, 20-934 Lublin, Poland

autor

Hagen P.

• Department of Floriculture and Greenhouse Crops, Agricultural University of Norway, N-1422 Ass, Netherland

autor

Moe R.

• Department of Floriculture and Greenhouse Crops, Agricultural University of Norway, N-1422 Ass, Netherland

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