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Variation for morphological traits within and among Cucurbita pepo genotypes
Year:
2010
Source of publication :
Acta Horticulturae
Authors :
Paris, Harry
;
.
Volume :
871
Co-Authors:
Lebeda, A., Faculty of Science, Department of Botany, Palacký University in Olomouc, Šlechtitelů 11, 783 71 Olomouc - Holice, Czech Republic
Křístková, E., Faculty of Science, Department of Botany, Palacký University in Olomouc, Šlechtitelů 11, 783 71 Olomouc - Holice, Czech Republic
Paris, H.S., Agricultural Research Organization, Newe Yáar Research Center, P.O. Box 1021, 30095 Ramat Yishay, Israel
Facilitators :
From page:
211
To page:
218
(
Total pages:
8
)
Abstract:
A set of 48 genotypes of Cucurbita pepo L., representing fruit-shape morphotypes (cultivar-groups) zucchini, cocozelle, pumpkin, vegetable marrow, crookneck, straightneck, acorn, scallop, gourd, and wild C. pepo subsp. fraterna and C. pepo subsp. texana, was observed in field trials in Olomouc (the Czech Republic) during 2006, 2007 and 2008. The goal was to characterize morphological variation among and within genotypes. Each genotype was represented by 10 plants. From a total of 53 foliar, fruit, and seed characteristics that were assessed, 10 are discussed herein: growth habit, presence or absence of silver mottling of laminae, days to anthesis of the first pistillate flower, anther and stigma color, fruit length-to-width ratio, fruit weight, bitterness and uniformity, and seed length-to-width ratio. All representatives of gourds and acorn squash, and most pumpkins and vegetable marrows, had vine plants while all other squash, which have flat or distinctly elongated fruits, had bush plants. Bush cultivars tended to produce pistillate flowers sooner than did vine cultivars. Silver mottling was present on leaf laminae of most subsp. pepo cultivars but was absent from subsp. texana and subsp. fraterna. Fruits of subsp. pepo cultivars tended to be larger than those of subsp. texana. Two pumpkins exhibited considerable variation for fruit shape.
Note:
Related Files :
Citrullus colocynthis
Crookneck
Cucurbita
Cucurbita pepo
Cucurbita pepo var. melopepo
Pumpkin
Scallop
Show More
Related Content
More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
Conference paper
;
.
Language:
English
Editors' remarks:
ID:
28995
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:43
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Scientific Publication
Variation for morphological traits within and among Cucurbita pepo genotypes
871
Lebeda, A., Faculty of Science, Department of Botany, Palacký University in Olomouc, Šlechtitelů 11, 783 71 Olomouc - Holice, Czech Republic
Křístková, E., Faculty of Science, Department of Botany, Palacký University in Olomouc, Šlechtitelů 11, 783 71 Olomouc - Holice, Czech Republic
Paris, H.S., Agricultural Research Organization, Newe Yáar Research Center, P.O. Box 1021, 30095 Ramat Yishay, Israel
Variation for morphological traits within and among Cucurbita pepo genotypes
A set of 48 genotypes of Cucurbita pepo L., representing fruit-shape morphotypes (cultivar-groups) zucchini, cocozelle, pumpkin, vegetable marrow, crookneck, straightneck, acorn, scallop, gourd, and wild C. pepo subsp. fraterna and C. pepo subsp. texana, was observed in field trials in Olomouc (the Czech Republic) during 2006, 2007 and 2008. The goal was to characterize morphological variation among and within genotypes. Each genotype was represented by 10 plants. From a total of 53 foliar, fruit, and seed characteristics that were assessed, 10 are discussed herein: growth habit, presence or absence of silver mottling of laminae, days to anthesis of the first pistillate flower, anther and stigma color, fruit length-to-width ratio, fruit weight, bitterness and uniformity, and seed length-to-width ratio. All representatives of gourds and acorn squash, and most pumpkins and vegetable marrows, had vine plants while all other squash, which have flat or distinctly elongated fruits, had bush plants. Bush cultivars tended to produce pistillate flowers sooner than did vine cultivars. Silver mottling was present on leaf laminae of most subsp. pepo cultivars but was absent from subsp. texana and subsp. fraterna. Fruits of subsp. pepo cultivars tended to be larger than those of subsp. texana. Two pumpkins exhibited considerable variation for fruit shape.
Scientific Publication
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