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Sexual behaviour of Armillaria heimii and A. mellea isolates from Africa

Identifieur interne : 00CE39 ( Main/Exploration ); précédent : 00CE38; suivant : 00CE40

Sexual behaviour of Armillaria heimii and A. mellea isolates from Africa

Auteurs : S. Abomo-Ndongo [France] ; C. Mohammed [Australie] ; J. Guillaumin [France]

Source :

RBID : ISTEX:656C6BA8E43AAF854DDB7ECB3F581796F0ACB6D6

Descripteurs français

English descriptors

Abstract

Thirty isolates of Armillaria heimii from western, eastern and southern Africa were cultured for fruit body production in the laboratory. Most isolates fruited easily. Investigation of single‐spore progenies revealed that all the isolates do not have the same sexual behaviour: some are heterothallic and unifactorial while others are homothallic. Two African isolates belonging to the species Armillaria mellea also appeared homothallic. Unifactorial heterothallism has not previously been described in Armillaria, species. Homothallic behaviour has been reported only in a rare European species Armillaria ectypa and in the Japanese subspecies Armillaria mellea ssp. nipponica.

Url:
DOI: 10.1111/j.1439-0329.1997.tb00864.x


Affiliations:


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Le document en format XML

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<term>African armillaria</term>
<term>Armillaria</term>
<term>Armillaria mellea</term>
<term>Armillaria species</term>
<term>Armillariella</term>
<term>Armillariella mellea</term>
<term>Basidiome</term>
<term>Basidiomes</term>
<term>Basidiospore</term>
<term>Basidium</term>
<term>Bifactorial</term>
<term>Compatible mating</term>
<term>Compatible matings</term>
<term>Contact zone</term>
<term>Cottony</term>
<term>Crustose</term>
<term>Crustose morphology</term>
<term>Diploid</term>
<term>Eastern africa</term>
<term>Fruited</term>
<term>Fruiting</term>
<term>Gabon</term>
<term>Guillaumin</term>
<term>Haploid</term>
<term>Haploid nuclei</term>
<term>Heimii</term>
<term>Heterothallic</term>
<term>Hintikka</term>
<term>Homothallic</term>
<term>Homothallic behaviour</term>
<term>Hyphal</term>
<term>Incompatibility</term>
<term>Incompatible</term>
<term>Incompatible pairings</term>
<term>Kenya</term>
<term>Korhonen</term>
<term>Life cycle</term>
<term>Mellea</term>
<term>Mobammed</term>
<term>Morphology</term>
<term>Mycelium</term>
<term>Mycol</term>
<term>Nuclear development</term>
<term>Nuclear migration</term>
<term>Ostoyae</term>
<term>Pairing</term>
<term>Pinus</term>
<term>Primary mycelium</term>
<term>Same basidiome</term>
<term>Secondary mycelium</term>
<term>Sexual bebaviour</term>
<term>Sexual behaviour</term>
<term>Single crustose</term>
<term>Single spore</term>
<term>Southern africa</term>
<term>Spore</term>
<term>Spore cultures</term>
<term>Subculture</term>
<term>Temperate armillaria species</term>
<term>Temperate species</term>
<term>Thallus</term>
<term>Unifactorial</term>
<term>Unifactorial heterothallism</term>
<term>Uninucleate</term>
<term>West indies</term>
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<term>African armillaria</term>
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<term>Crustose morphology</term>
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<term>Guillaumin</term>
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<term>Homothallic behaviour</term>
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<term>Pairing</term>
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<term>Primary mycelium</term>
<term>Same basidiome</term>
<term>Secondary mycelium</term>
<term>Sexual bebaviour</term>
<term>Sexual behaviour</term>
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<term>Single spore</term>
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<div type="abstract" xml:lang="en">Thirty isolates of Armillaria heimii from western, eastern and southern Africa were cultured for fruit body production in the laboratory. Most isolates fruited easily. Investigation of single‐spore progenies revealed that all the isolates do not have the same sexual behaviour: some are heterothallic and unifactorial while others are homothallic. Two African isolates belonging to the species Armillaria mellea also appeared homothallic. Unifactorial heterothallism has not previously been described in Armillaria, species. Homothallic behaviour has been reported only in a rare European species Armillaria ectypa and in the Japanese subspecies Armillaria mellea ssp. nipponica.</div>
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