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Zašto bumbari |
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Bumble bees have been bred in controlled conditions since 1987 in Belgium and since 1988 in Holland.
They in 1988 had been used on 3% of tomato crops, which grew up, 95% in 1991 and 100% in 1992 In the year 2004 even a million of bumblebee colonies were used all over the world and the calculations are that in 2007. 1 500 000 bumble bee colonies will be used.
Bumblebees are more effective than any other pollinator or method of pollinating:
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Their bodies make the buzz effect – vibrations of 400Hz that are important for fertilization in tomato flower.
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They fly faster from flower to flower.
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They fly under all kinds of weather conditions.
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They are available during the whole year.
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They are not threatened by parasites.
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Only a bumble bee can pollinate with enough certainty and quality.
 
 
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Why bumblebees 
