Inoculation of containerized Pinus halepensis (Miller) seedlings with basidiospores of Pisolithus arhizus (Pers) Rauschert, Rhizopogon roseolus (Corda) Th M Fr and Suillus collinitus (Fr) O Kuntze

Torres, Pilar Díez de Revenga; Honrubia, M.

doi:10.1051/forest:19940507

Cited by 19 publications

(21 citation statements)

References 7 publications

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“…Culture media were MMN for Suillus and Rhizopogon species and BAF for Lactarius species [37]. In all cases, mycelia were grown in 1-litre bottles with liquid medium previously sterilized and incubated at 23 ºC for 3 months.…”

Section: Experimental Designmentioning

confidence: 99%

“…Furthermore, the formation of mycorrhizas between Pinus halepensis and Amanita spissa, Lactarius deliciosus, Hebeloma edurum, Suillus luteus and Suillus variegates was described [38]. Besides, spore inoculum has been successfully tested with Pinus halepensis and Suillus collinitus, Rhizopogon roseolus and Pisolithus tinctorius in containers [39]. Several mycelial inocula have also been studied using Thelephora terrestris, Suillus collinitus, S. mediterranensis, Rhizopogon sp.…”

Section: Introductionmentioning

confidence: 99%

“…Suspensions were frozen at -15 ºC until inoculation. In relation to the number of basidiospores per seedling used, [39] noted that 10 4 -10 7 spores/seedling are sufficient to guarantee mycorrhization. In this study, 1.5 ´ 10 9 spores/seedling were used for P. tinctorius, 1.3 ´ 10 5 spores/seedling for R. roseolus, 1.41 0 4 spores/seedling for Suillus species and 0.7 ´ 10 5 spores/seedling for Lactarius species.…”

Section: Experimental Designmentioning

confidence: 99%

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Mycorrhization of Pinus halepensis Mill. and Pinus pinaster Aiton seedlings in two commercial nurseries

et al. 2003

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-Two Mediterranean pine species (Pinus halepensis and Pinus pinaster) and seven fungi species (Pisolithus tinctorius, Lactarius deliciosus, L. sanguifluus, Suillus mediterranensis, S. collinitus, S. bellinii, and Rhizopogon roseolus) were selected for a mycorrhization study in two nurseries of SE Spain. Two types of inoculum (spore suspension and mycelium inoculum) were used on 3 700 pine seedlings. The aim of the study was to ascertain the influence of two different substrata (composted pine bark and fertilized-peat-vermiculite) on the mycorrhization rate and pine seedlings height. The results pointed out significantly differences between both substrata. In general, the best results were obtained with fertilized-peat-vermiculite-substratum although both the mycorrhization rate and seedlings height varied according to fungi species and the inoculum type used. Pinus halepensis

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Section: Experimental Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Experimental Designmentioning

confidence: 99%

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Mycorrhization of Pinus halepensis Mill. and Pinus pinaster Aiton seedlings in two commercial nurseries

et al. 2003

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“…This ectomycorrhizal species improved the made up of several genets. Recent somatic ingrowth of Mediterranean pines in the greenhouse compatibility testing of mycelia isolated from P. (Torres & Honrubia, 1994), nursery (Mousam et al, sylvestris ectomycorrhizas and the overlying basidio-1988; Guehl et al, 1990) and experimental stands carps in a 5 m'area of a natural forest stand indicated (Motisain et al, 1994). Intraspecific differences that the isolates belonged to the same genet within this species were highlighted through the (Dahlberg & Stenl.d, 1994).…”

mentioning

confidence: 99%

Isozyme variation and somatic incompatibility in populations of the ectomycorrhizal fungus Suillus collinitus

1996

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S0MM.4RYIsozyme variation and somatic incompatibility were investigated in order to study intraspecific genetic variation and to identify genets in natural populations of the ectomycorrhizal fungus Suillus collinitus (Fr.) O. Kuntze, Forty-three isolates, obtained from basidiocarps collected in 11 forest sites under Pinus trees, were examined. Isozyme analysis indicated high intraspecific variation between isolates from the same location and from different locations. Phenetic analysis based on calculated dissimilarity values derived from isozyme banding patterns separated the isolates into two main groups (I and II) with 35 % dissimilarity. A specific and highly active acid phosphatase isoform (ACP-2) was detected in most group II isolates. Dikaryotic isolates displaying isozyme similarity coefficient of 100 % were found to be somatically compatible and were considered to originate from the same genet. The same genet was never found at more than two forest sites. This study showed a high correlation between the results of electrophoretic isozyme analysis and those of somatic incompatibility reactions. The results were discussed in terms of population biology.

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“…Les différences observées entre les degrés de mycorhization des racines de Cèdre par les deux espèces fongiques seraient aussi attribuables à des différences dans les capacités infectieuses de ces espèces vis-à-vis des racines du Cèdre. Cette hypothèse a été illustrée dans diverses associations ectomycorhiziennes [6,8,36,37]. améliorée que lorsque l'inoculum est utilisé sous forme « solide ».…”

Section: Teneurs Des Racines En Mycélium Viableunclassified

Ectomycorhization de Cedrus atlantica en conditions contr�l�es : efficacit� de deux formes d'inoculum myc�lien

2002

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Résumé -L'effet de la forme de l'inoculum (obtenu sur tourbe-vermiculite ou par inclusion dans l'alginate) de Tricholoma tridentinum var. cedretorum et Hebeloma sinapizans sur la mycorhization de semis du Cèdre de l'Atlas, cultivés sur un substrat minéral, a été expérimenté en conditions contrôlées. L'utilisation de mycélium de T. tridentinum développé sur tourbe-vermiculite permet d'obtenir des degrés de mycorhization supérieurs à ceux enregistrés en employant du mycélium du même champignon inclus dans l'alginate, un an après l'inoculation. Le résultat inverse a été obtenu avec H. sinapizans. Les pourcentages d'apex mycorhizés et les teneurs en mycélium viable des racines des plants inoculés par T. tridentinum ont été supérieurs à ceux des plants inoculés avec H. sinapizans. L'obtention de mycorhizes à l'aide d'inocula mycéliens, a été réalisée sur le Cèdre de l'Atlas dans des conditions contrôlées et reproductibles. L'inoculation des semis par du mycélium d'H. sinapizans cultivé sur substrat solide a stimulé la biomasse de leurs parties aériennes et racinaires alors que l'inoculum de T. tridentinum, produit sur le même substrat, n'a permis d'augmenter significativement que la biomasse des racines. L'inoculation des plants par du mycélium d'H. sinapizans inclus dans l'alginate n'a été bénéfique que pour la biomasse de leurs parties aériennes. Cedrus atlantica / Tricholoma tridentinum var. cedretorum / mycorhization / inoculum mycélien / ergostérolAbstract -Ectomycorrhization of Cedrus atlantica seedlings under controlled conditions: Efficiency of two forms of mycelial inocula. The effect of two mycelial inocula (mycelia grown in peat-vermiculite saturated by a nutritive medium, or entrapped into alginate) of two ectomycorrhizal species (Tricholoma tridentinum var. cedretorum and Hebeloma sinapizans) was tested, under controlled conditions, on the mycorrhization of Cedar seedlings grown on mineral substrate. One year after inoculation, the percentage of infected root tips and root ergosterol contents were higher with cedars inoculated using T. tridentinum peat-vermiculite inoculum than using alginate one. The opposite results were obtained with H. sinapizans. The degrees of mycorrhization of the seedlings inoculated with T. tridentinum were higher than those of the seedlings inoculated with H. sinapizans. The mycorrhization of Cedrus atlantica seedlings using mycelial inocula was thus performed under controlled conditions which may be reproducible. The consequences of the inoculation of seedlings on their shoot and/or root biomass vary with the inoculum form and fungal species.Cedrus atlantica / Tricholoma tridentinum var. cedretorum / mycorrhization / mycelial inocula / ergosterol

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Inoculation of containerized Pinus halepensis (Miller) seedlings with basidiospores of Pisolithus arhizus (Pers) Rauschert, Rhizopogon roseolus (Corda) Th M Fr and Suillus collinitus (Fr) O Kuntze

Cited by 19 publications

References 7 publications

Mycorrhization of Pinus halepensis Mill. and Pinus pinaster Aiton seedlings in two commercial nurseries

Mycorrhization of Pinus halepensis Mill. and Pinus pinaster Aiton seedlings in two commercial nurseries

Isozyme variation and somatic incompatibility in populations of the ectomycorrhizal fungus Suillus collinitus

Ectomycorhization de Cedrus atlantica en conditions contr�l�es : efficacit� de deux formes d'inoculum myc�lien

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