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Genes for developmental fruit coloration of acorn squash
Year:
1997
Source of publication :
Journal of Heredity
Authors :
Paris, Harry
;
.
Volume :
88
Co-Authors:
Paris, H.S., Department of Vegetable Crops, Agricultural Research Organization, Newe Ya'ar Research Center, P.O. Haifa, 31-900, Israel
Facilitators :
From page:
52
To page:
56
(
Total pages:
5
)
Abstract:
Table Queen, an old cultivar of the acorn group of Cucurbita pepo, has fruits that are light green when young that become dark green by intermediate age and remain dark green through maturity. In order to determine the genetic basis of its developmental fruit color, Table Queen was crossed with three accessions of known genotype, Vegetable Spaghetti (d/d l-1/l-1 l-2/l-2), Fordhook Zucchini (D/D L-1/L-1 L-2/L-2), and 85k-9-107-2 (d/d l-1/l-1 L-2/L- 2). The progenies were observed and scored for fruit coloration at three developmental stages: young [2-5 days past anthesis (dpa)], intermediate (15- 18 dpa), and mature (40-44 dpa). The results indicate that Table Queen possesses genotype D/D l-1/l-1 L-2/L-2. All of the accessions crossed with Table Queen carry two recessive genes, herein designated mature orange-1 (mo- 1) and mature orange-2 (mo-2). The combination of these two recessive genes results in complete loss of green fruit color prior to maturity, except in L- 1/-L-2/ - plants. Table Queen fruits retain their green color through maturity because this cultivar carries the dominant alleles Mo-1 and Mo-2, either of which acting alone results in green color retention. Genes D and mo-2 are linked, approximately 15 map units apart.
Note:
Related Files :
article
color
fruit
genotype
inheritance
nonhuman
priority journal
recessive gene
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More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
28629
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:40
Scientific Publication
Genes for developmental fruit coloration of acorn squash
88
Paris, H.S., Department of Vegetable Crops, Agricultural Research Organization, Newe Ya'ar Research Center, P.O. Haifa, 31-900, Israel
Genes for developmental fruit coloration of acorn squash
Table Queen, an old cultivar of the acorn group of Cucurbita pepo, has fruits that are light green when young that become dark green by intermediate age and remain dark green through maturity. In order to determine the genetic basis of its developmental fruit color, Table Queen was crossed with three accessions of known genotype, Vegetable Spaghetti (d/d l-1/l-1 l-2/l-2), Fordhook Zucchini (D/D L-1/L-1 L-2/L-2), and 85k-9-107-2 (d/d l-1/l-1 L-2/L- 2). The progenies were observed and scored for fruit coloration at three developmental stages: young [2-5 days past anthesis (dpa)], intermediate (15- 18 dpa), and mature (40-44 dpa). The results indicate that Table Queen possesses genotype D/D l-1/l-1 L-2/L-2. All of the accessions crossed with Table Queen carry two recessive genes, herein designated mature orange-1 (mo- 1) and mature orange-2 (mo-2). The combination of these two recessive genes results in complete loss of green fruit color prior to maturity, except in L- 1/-L-2/ - plants. Table Queen fruits retain their green color through maturity because this cultivar carries the dominant alleles Mo-1 and Mo-2, either of which acting alone results in green color retention. Genes D and mo-2 are linked, approximately 15 map units apart.
Scientific Publication
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