Abstract
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1.
From 1948 to 1959 pollination and contamination trials of various cole crops (Brassica oleracea L.) were carried out.
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2.
On seed plots plants are largely pollinated with pollen from nearby plants.
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3.
The contamination which may occur at a certain distance can be considerably higher than formerly indicated by various investigators.
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4.
Trials of cauliflower have shown that a high degree of selfing naturally occurs in this crop.
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5.
A number of factors influencing interpollination are discussed.
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References
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Nieuwhof, M. Pollination and contamination of Brassica oleracea L. Euphytica 12, 17–26 (1963). https://doi.org/10.1007/BF00033588
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DOI: https://doi.org/10.1007/BF00033588