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VCRB :: Contents of Volume 59/2003 :: Detailed information


USE OF BUMBLE BEES FOR POLLINATION OF CHERRY TOMATO 
PRODUCED IN UNHEATED POLYETHYLENE TUNNEL


Marian ORŁOWSKI, Monika GRZESZCZUK
Agricultural University of Szczecin Janosika 8, 71-424 Szczecin, Poland


Summary

The effect of natural pollination using bumble bees (Bombus terrestris L.) on cherry tomato (Lycopersicon esculentum var. cerasiforme Alef.) yield and quality was investigated in Agricultural University in Szczecin during 1997-1999. Use of bumble bees for pollination ensured that, on average, 90.8% of developed flowers produced fruits. For all tested cultivars introduction of bumble bees resulted in significant increase of total yield (on average by 0.75 kg·m-2) compared to selfpollination. Use of bumble bee for flowers pollination increased fresh weight and diameter of fruits, fruit pericarp thickness as well as weight and number of seeds in a fruit. In contrast, pollination method did not affect dry matter, total and reducing sugars, or vitamin C content in tomato fruits. Also, total acidity and fruit colour were not influenced.


keywords:bumble bees, cherry tomato, pollination, yield, fruit quality, nutritive value

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