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Variation for agronomic characteristics in Crambe hispanica , a wild relative of Crambe abyssinica

Identifieur interne : 00A758 ( Main/Merge ); précédent : 00A757; suivant : 00A759

Variation for agronomic characteristics in Crambe hispanica , a wild relative of Crambe abyssinica

Auteurs : J. H. Mulder [Pays-Bas] ; H. D. Mastebroek [Pays-Bas]

Source :

Euphytica [ 0014-2336 ] ; 1996-01-01.

RBID : ISTEX:8B4402AF8E333974AB8C02AFC479777A414395D2

Descripteurs français

Wicri :
- topic : Acide.

English descriptors

KwdEn :
- Abyssinica, Accession, Acid, Anthesis, Anthocyanin, Anthocyanin intensity, Basal, Botanical varieties, Chem, Chromosome, Chromosome number, Crambe, Crambe abyssinica, Crambe hispanica, Earliness, Erucic, Erucic acid, Erucic acid content, Fatty acid composition, Fatty acids, Gadoleic, Gadoleic acid, Glabrata, Hispanica, Hispanica glabrata, Lateral, Lessman, Linoleic, Linolenic, Linolenic acid, Mastebroek, Morphological characteristics, Negative correlation, Nervonic, Nervonic acid, Oleic, Oleic acid, Plant habit, Plant height, Primary branches, Pubescence, Seed characteristics, Seed hulls, Seed volume, Seed weight, Significant variation, Total content, Waxy layer.
Teeft :
- Abyssinica, Accession, Acid, Anthesis, Anthocyanin, Anthocyanin intensity, Basal, Botanical varieties, Chem, Chromosome, Chromosome number, Crambe, Crambe abyssinica, Crambe hispanica, Earliness, Erucic, Erucic acid, Erucic acid content, Fatty acid composition, Fatty acids, Gadoleic, Gadoleic acid, Glabrata, Hispanica, Hispanica glabrata, Lateral, Lessman, Linoleic, Linolenic, Linolenic acid, Mastebroek, Morphological characteristics, Negative correlation, Nervonic, Nervonic acid, Oleic, Oleic acid, Plant habit, Plant height, Primary branches, Pubescence, Seed characteristics, Seed hulls, Seed volume, Seed weight, Significant variation, Total content, Waxy layer.

Abstract

Summary: In order to assess the potential of Crambe hispanica, either in breeding programmes of C. abyssinica or as an oilseed crop in itself, 36 accessions of C. hispanica (29 of var. hispanica and 7 of var. glabrata) were grown in a greenhouse and evaluated for morphological characteristics, earliness, plant habit, seed characteristics and fatty acid composition. Four lines of C. abyssinica were included for reference. The 29 accessions of var. hispanica showed significant variation for all observed characteristics. Besides morphological characteristics, large variation was found for earliness, number of primary branches, seed yield, 1000 seed weight and volume, and linoleic, linolenic and erucic acid content. Morphological characteristics, earliness and plant habit did not show any high correlations with seed characteristics or fatty acid composition, except for seed hull (pericarp) mottling, which was related to a high oil and erucic acid content. The seven accessions of var. glabrata showed little variation. The large genetic variation in combination with promising figures for several characteristics, found in C. hispanica, may be useful in breeding programmes of the oilseed crop C. abyssinica, for which the available genetic variation is limited. Prospects of selection for high-erucic acid genotypes are discussed. Compared to C. abyssinica, both botanical varieties of C. hispanica are characterized by a cordate shape of the basal leaves, lack of seed retention and a lower DNA content. Plants of var. glabrata differed from var. hispanica in a sparsely hispid upper leaf surface and round stems and branches covered with a waxy layer. These clear differences and lack of success in intercrossing both varieties of C. hispanica strongly suggest that their taxonomic classification should be reconsidered.

Url:

https://api.istex.fr/document/8B4402AF8E333974AB8C02AFC479777A414395D2/fulltext/pdf

DOI: 10.1007/BF00034615

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ISTEX:8B4402AF8E333974AB8C02AFC479777A414395D2

Le document en format XML

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<term>Accession</term>
<term>Acid</term>
<term>Anthesis</term>
<term>Anthocyanin</term>
<term>Anthocyanin intensity</term>
<term>Basal</term>
<term>Botanical varieties</term>
<term>Chem</term>
<term>Chromosome</term>
<term>Chromosome number</term>
<term>Crambe</term>
<term>Crambe abyssinica</term>
<term>Crambe hispanica</term>
<term>Earliness</term>
<term>Erucic</term>
<term>Erucic acid</term>
<term>Erucic acid content</term>
<term>Fatty acid composition</term>
<term>Fatty acids</term>
<term>Gadoleic</term>
<term>Gadoleic acid</term>
<term>Glabrata</term>
<term>Hispanica</term>
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<term>Lateral</term>
<term>Lessman</term>
<term>Linoleic</term>
<term>Linolenic</term>
<term>Linolenic acid</term>
<term>Mastebroek</term>
<term>Morphological characteristics</term>
<term>Negative correlation</term>
<term>Nervonic</term>
<term>Nervonic acid</term>
<term>Oleic</term>
<term>Oleic acid</term>
<term>Plant habit</term>
<term>Plant height</term>
<term>Primary branches</term>
<term>Pubescence</term>
<term>Seed characteristics</term>
<term>Seed hulls</term>
<term>Seed volume</term>
<term>Seed weight</term>
<term>Significant variation</term>
<term>Total content</term>
<term>Waxy layer</term>
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<term>Erucic acid content</term>
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<term>Fatty acids</term>
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<term>Oleic acid</term>
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<term>Plant height</term>
<term>Primary branches</term>
<term>Pubescence</term>
<term>Seed characteristics</term>
<term>Seed hulls</term>
<term>Seed volume</term>
<term>Seed weight</term>
<term>Significant variation</term>
<term>Total content</term>
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<front><div type="abstract" xml:lang="en">Summary: In order to assess the potential of Crambe hispanica, either in breeding programmes of C. abyssinica or as an oilseed crop in itself, 36 accessions of C. hispanica (29 of var. hispanica and 7 of var. glabrata) were grown in a greenhouse and evaluated for morphological characteristics, earliness, plant habit, seed characteristics and fatty acid composition. Four lines of C. abyssinica were included for reference. The 29 accessions of var. hispanica showed significant variation for all observed characteristics. Besides morphological characteristics, large variation was found for earliness, number of primary branches, seed yield, 1000 seed weight and volume, and linoleic, linolenic and erucic acid content. Morphological characteristics, earliness and plant habit did not show any high correlations with seed characteristics or fatty acid composition, except for seed hull (pericarp) mottling, which was related to a high oil and erucic acid content. The seven accessions of var. glabrata showed little variation. The large genetic variation in combination with promising figures for several characteristics, found in C. hispanica, may be useful in breeding programmes of the oilseed crop C. abyssinica, for which the available genetic variation is limited. Prospects of selection for high-erucic acid genotypes are discussed. Compared to C. abyssinica, both botanical varieties of C. hispanica are characterized by a cordate shape of the basal leaves, lack of seed retention and a lower DNA content. Plants of var. glabrata differed from var. hispanica in a sparsely hispid upper leaf surface and round stems and branches covered with a waxy layer. These clear differences and lack of success in intercrossing both varieties of C. hispanica strongly suggest that their taxonomic classification should be reconsidered.</div>
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Variation for agronomic characteristics in Crambe hispanica , a wild relative of Crambe abyssinica

Variation for agronomic characteristics in Crambe hispanica , a wild relative of Crambe abyssinica

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri