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CABI Book Chapter

The genetic diversity of cacao and its utilization.

Book cover for The genetic diversity of cacao and its utilization.

Description

The cacao (Theobroma cacao) plant is an important Neo-Tropical species whose natural habitat is the Amazon basin. Over the last 30 years there has been a considerable geographical expansion in the availability of cacao genetic resources. As a result the plant has a rich genetic diversity that exists at two levels: that of the primitive populations in the area of original distribution of the specie...

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Chapter 7 (Page no: 279)

The genetics of the diversity.

This chapter describes the genetic factors to be considered in cocoa diversity evaluation, including: colour (fruits, hypocotyls, leaves, flowers and cotyledons); fruit shape; fruit husk characters; leaf characters; ovule number; plan height; and seed size. The compatibility and reproduction of the genotypes, as well as mutations and inhibitors of the anthocyanin genes are discussed.

Other chapters from this book

Chapter: 1 (Page no: 1) The background to the subject: concepts and a brief history. Author(s): Bartley, B. G. D.
Chapter: 2 (Page no: 14) The terminology specific to cacao. Author(s): Bartley, B. G. D.
Chapter: 3 (Page no: 25) The indicators of variability. Author(s): Bartley, B. G. D.
Chapter: 4 (Page no: 44) The manifestation of the diversity and its conservation. Author(s): Bartley, B. G. D.
Chapter: 5 (Page no: 68) The foundations of the diversity. Author(s): Bartley, B. G. D.
Chapter: 6 (Page no: 197) The cultivated populations as secondary depositories of the diversity. Author(s): Bartley, B. G. D.
Chapter: 8 (Page no: 298) The relationships among populations. Author(s): Bartley, B. G. D.
Chapter: 9 (Page no: 309) The utilization of the genetic resources. Author(s): Bartley, B. G. D.
Chapter: 10 (Page no: 323) Epilogue. Author(s): Bartley, B. G. D.