Interspecific Hybridization between Coffea Arabica L. and Tetraploid C. Canephora P. Ex Fr. I. Fertility in F Hybrids and Backcrosses to C. Arabica

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1981
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The interspecific C. Arabica, x tetraploid C. canephora, F I hybrid showed a low but highly valuable fertility. An almost complete restoration to normal fertility was observed ID individual trees of BC1 and BC2 generations with C. arabica as recurrent parent. From a comparison of various tests of fertility it was found that pollen Viability is a satisfactory measure of fertility.
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Euphytica, 30, pp. 861-866
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