Favourable water and aeration conditions for growth media used in containerized tree seedling production: A review

Heiskanen, Juha

doi:10.1080/02827589309382782

Cited by 52 publications

(62 citation statements)

References 73 publications

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“…These effects were increased markedly when plants were cultivated in 100% WS medium (data not shown). Changing the proportion of media components affects physical, chemical, and physico-chemical properties of the growth medium such as water and aeration conditions (Heiskanen 1993) or the extent of sorption, immobilisation or leaching of N Pokorny et al 1977;Bugbee 1999). However, in our trial it was not possible to identify which growing media property that changed with the increase of WS proportion in the growth medium affected flower size and further research is needed.…”

Section: Discussioncontrasting

confidence: 46%

Use of willow (Salixsp.) sawdust as a potting medium for calendula (Calendula officinalis) and marigold (Tagetes erecta) plant production

Gariglio¹,

Buyatti

Bouzo

et al. 2004

New Zealand Journal of Crop and Horticultural Science

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Growth of 'Fiesta Gitana' calendula (Calendula officinalis) in growth medium prepared from 75% (vol.) composted willow (Salix sp.) sawdust (WS), with or without additional nitrogen (N) (4% w/w) during composting, and 25% (vol.) perlite was examined. Total plant dry matter, dry matter partition to flowers, and plant height at 77 days after planting were similar in media containing composted WS to values in achieved in a sphagnum peat:perlite (75:25, vol.) control medium. Relative to these media, non-composted WS:perlite (75:25, vol.) resulted in average reductions of total dry matter (57%), dry matter partition to flowers (50%), plant height (43%), flower diameter (73%), and flower buds per plant (82%). In a further study, increasing the proportion of N-enriched composted WS in perlite from 25% to 75% did not affect total dry matter, plant height, or flower number per plant of 'Fiesta Gitana' calendula or 'Perfection Gold' marigold (Tagetes erecta) compared to values achieved in the sphagnum peat:perlite (75:25, vol.) control medium. Since flower diameter decreased in both species when the N-enriched composted WS exceeded 50%, we suggest that this "waste" product can substitute for all the sphagnum peat, but should not exceed 50% volume in a perlite mixture.

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Section: Discussioncontrasting

confidence: 46%

Use of willow (Salixsp.) sawdust as a potting medium for calendula (Calendula officinalis) and marigold (Tagetes erecta) plant production

Gariglio¹,

Buyatti

Bouzo

et al. 2004

New Zealand Journal of Crop and Horticultural Science

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“…For this reason, many conifers tend to show chlorosis symptoms when grown in alkali soils, and different authors recommend a pH of 5-6 for their production [36]. The quality of a substrate for conifer production is directly related with its water retention capacity and the porosity [18], and usually a mixture of equal parts of sphagnum peat and vermiculite is recommended as potting substrate for the production of mycorrhizal seedlings [4]. The vermiculite ameliorates the aeration properties of the substrate and it has certain cation-exchange capacity which means higher availability of nutrients like Mg and K for the plant [18].…”

Section: Diameter (Mm)mentioning

confidence: 99%

“…The quality of a substrate for conifer production is directly related with its water retention capacity and the porosity [18], and usually a mixture of equal parts of sphagnum peat and vermiculite is recommended as potting substrate for the production of mycorrhizal seedlings [4]. The vermiculite ameliorates the aeration properties of the substrate and it has certain cation-exchange capacity which means higher availability of nutrients like Mg and K for the plant [18]. In the peat/composted pine bark substrate, the mixture of two organic components gives a high C:N relation and this could be the cause for the immobilisation of certain nutrients [4].…”

Section: Diameter (Mm)mentioning

confidence: 99%

“…Main factors affecting seedling mycorrhization in nursery are the fertilisation and irrigation regimes and the characteristics of the potting substrate [4,10]. Aeration, pH and cation-exchange capacity are important aspects to be considered prior to the election of substrates for seedling production [18]. Composting of residual materials such pine bark is a common recycling practise for obtaining low-cost substrates suitable to produce ornamental and forest seedlings in nurseries [17,33].…”

Section: Introductionmentioning

confidence: 99%

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Effects of ectomycorrhizal inoculation and the type of substrate on mycorrhization, growth and nutrition of containerised Pinus pinea L. seedlings produced in a commercial nursery

Rincón

Parladé²,

Pera³

2005

Ann. For. Sci.

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-Spore inocula of Melanogaster ambiguus (Vittad.) Tul. & C. Tul., Pisolithus tinctorius (Pers.) Coker & Couch, Rhizopogon luteolus Fr., Rhizopogon roseolus (Corda) Th. M. Fr. and Scleroderma verrucosum (Bull.) Pers., and two substrates (a mixture of peat-vermiculite and a mixture of peat-composted pine bark) were evaluated for producing mycorrhizal Pinus pinea L. seedlings in a commercial nursery in NE Spain. Inocula of all fungi were effective to obtain containerised mycorrhizal P. pinea seedlings although seedling mycorrhization rates were reduced in the peat/pine-bark mixture. Neither inoculation nor the type of substrate modified the first-year growth of seedlings. Rhizopogon spp. increased the levels of N and P and, in general inoculation reduced the concentration of Mn in needles. Symptoms of chlorosis were detected in all seedlings growing in the peat/pine-bark mixture, probably due to nutritional deficiencies caused by the substrate high pH. Among the fungi tested, R. roseolus is proposed as the best candidate for its application in nursery inoculation programmes destined to produced containerised mycorrhizal P. pinea. , et deux substrats (un mélange de tourbe-vermiculite et un mélange de tourbe-écorce compostée de pin) ont été évalués pour produire des jeunes plants mycorhizés de Pinus pinea L. dans une pépinière commerciale au Nord-Est de l'Espagne. Les inoculums de tous les champignons ont été efficaces pour obtenir des semis mycorhizés de pin pignon en conteneur, bien que les taux de mycorhization ont diminué dans le substrat vermiculite-écorce de pin. Ni l'inoculation ni le type de substrat n'ont modifié la croissance en première année des jeunes plants. Les espèces de Rhizopogon ont augmenté les niveaux d'azote et de phosphore dans les aiguilles des plants et, en général, l'inoculation a réduit la teneur en manganèse de ces feuilles. Des symptômes de chlorose ont été détectés dans tous les plants croissant dans le substrat vermiculiteécorce de pin, probablement en raison des carences nutritionnelles provoquées par le pH élevé du substrat. Parmi les champignons étudiés, on propose R. roseolus comme le meilleur candidat pour son application dans des programmes d'inoculation en pépinière destinés à produire des plants de pin pignon mycorhizés en conteneur.Pinus pinea / substrat / mycorhization / champignons ectomycorhiziens / production des semis en pépinière

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“…Adequate substrate aeration is critically important for plants grown in pots (HEISKANEN, 1993). Thus, pot substrates are saturated to pot capacity when air space is at least 10% of total substrate volume (BUGBEE;FRINK, 1986).…”

Section: Dry Weight and Root Lengthmentioning

confidence: 99%

Alternative substrates for growth and production of potted chrysanthemum (cv. Funny)

et al. 2011

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ABSTRACT. The identification of alternative substrates that are suitable for the production of potted plants is very important. To this end, we studied the influence of different substrates on the growth and production of potted chrysanthemum (Dendranthema grandiflora Tzvelev cv. Funny). A completely randomized design with four treatments and twelve replicates was used. Each treatment consisted of the following substrates: i) carbonized rice husks; ii) commercial substrate; iii) mixture of vermiculite and carbonized rice husks in a 1:1 proportion; and iv) mixture of vermiculite and washed sand in a 1:1 proportion. Satisfactory results were obtained with alternative substrates, indicating that rice husks can be used as a sole or partial substrate for potted chrysanthemum cultivation, creating a possible new use for this regional agro-industry waste product. Using rice husk as a substrate promoted bud diameters 6% larger than the commercial substrate usually used in Brazil.Keywords: Dendranthema grandiflora Tzvelev, rice husk, growing media.RESUMO. Substratos alternativos para o crescimento e produção do crisântemo (cv. Funny) em vaso. A indicação de substratos alternativos, que sejam viáveis para a produção de plantas em vaso é de grande relevância. Neste sentido, estudou-se a influência de diferentes substratos no crescimento e produção do crisântemo. (Dendranthema grandiflora Tzvelev cv. Funny). Foi adotado o delineamento inteiramente casualizado com quatro tratamentos e 12 repetições. Cada tratamento consistiu dos seguintes substratos: i) casca de arroz carbonizada; ii) substrato comercial; iii) mistura de vermiculita e casca de arroz carbonizada na proporção 1:1; e iv) mistura de areia lavada e vermiculita na proporção 1:1. Resultados satisfatórios foram obtidos com os substratos alternativos estudados, demonstrando que a casca de arroz carbonizada pode ser usada no cultivo do crisântemo de vaso como substrato ou parte desse, tornando possível o reuso desse rejeito agroindustrial. A casca de arroz carbonizada como substrato promoveu diâmetro do botão 6% maior em relação ao substrato comercial, geralmente, usado no Brasil.Palavras-chave: Dendranthema grandiflora Tzvelev, casca de arroz, substratos.

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Favourable water and aeration conditions for growth media used in containerized tree seedling production: A review

Cited by 52 publications

References 73 publications

Use of willow (Salixsp.) sawdust as a potting medium for calendula (Calendula officinalis) and marigold (Tagetes erecta) plant production

Use of willow (Salixsp.) sawdust as a potting medium for calendula (Calendula officinalis) and marigold (Tagetes erecta) plant production

Effects of ectomycorrhizal inoculation and the type of substrate on mycorrhization, growth and nutrition of containerised Pinus pinea L. seedlings produced in a commercial nursery

Alternative substrates for growth and production of potted chrysanthemum (cv. Funny)

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