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LEAF ISOZYMES AS GENETIC MARKERS IN DATE PALMS
Author(s) -
Torres Andrew M.,
Tisserat Brent
Publication year - 1980
Publication title -
american journal of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.218
H-Index - 151
eISSN - 1537-2197
pISSN - 0002-9122
DOI - 10.1002/j.1537-2197.1980.tb07637.x
Subject(s) - biology , palm , isozyme , phoenix dactylifera , glucose 6 phosphate isomerase , botany , esterase , allele , gene , genetics , enzyme , biochemistry , physics , quantum mechanics
The date palm ( Phoenix dactylifera L.) is a long‐lived, dioecious, arborescent monocotyledon which must be propagated vegetatively by offshoots to maintain clones. An extensive breeding program begun in 1948 at Indio, California, to obtain superior lines has resulted in the production of several seedling populations of known parents. These were used to study the genetic control of isozymes of alcohol dehydrogenase, esterase, glutamate oxaloacetate transaminase, phosphoglucose isomerase and phosphoglucose mutase from leaf tissue. The five enzyme systems are specified by seven polymorphic genes with 14 alleles. Additional polymorphism was found in two other species of Phoenix . Twenty‐six female and 20 male date palm cvs. were genotyped to provide, insofar as is known, the first single‐gene markers for the date palm and perhaps for any arborescent monocotyledon.