Enhancing planting stock quality of Italian cypress (Cupressus sempervirens L.) by pre-cultivation in mini-plugs

Κωστοπούλου, Π.; Radoglou, K.; Dini-Papanastasi, O.; Spyroglou, G.

doi:10.1016/j.ecoleng.2010.04.004

Cited by 19 publications

(21 citation statements)

References 33 publications

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“…Root system development is of particular interest for cypress since field performance has been found to be more strongly correlated with root characteristics (Kostopoulou et al 2010). In addition, short-day treatment seems to enhance root growth of seedlings grown in dry conditions.…”

Section: Discussionmentioning

confidence: 99%

“…Some nurseries-mainly private ones-keep the containerized seedlings for another year at the nursery area and transplant them at the end of the second vegetative period. Recently, pre-cultivation of cypress seedlings in mini-plugs (plugs with volumes less than 18 cm 3 ) for a period of 5 weeks using a 14-h photoperiod has been found to improve seedling quality; therefore, the incorporation of the mini-plug technique into the species cultivation process shows promise for the future (Kostopoulou et al 2009(Kostopoulou et al , 2010. Consequently, this paper aims at (1) determining whether short-day treatment during seedling pre-cultivation in mini-plugs could further improve seedling characteristics and (2) developing a sound and reliable routine to produce cypress seedlings better adapted to Mediterranean conditions, ensuring in this way higher outplanting success.…”

Section: Introductionmentioning

confidence: 99%

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Performance and quality of Cupressus sempervirens L. mini-plug seedlings under reduced photoperiod

2010

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Short-day treatment has been used for some conifer species to improve planting stock quality. The aim of this paper was to study the effect of short-day treatment on performance and quality of young seedlings of Italian cypress (Cupressus sempervirens L.), a conifer species abundant in the Mediterranean area. Seeds of Italian cypress were sown in mini-plug cavities. After 5 weeks of growth, seedlings were subjected to four different photoperiods: (a) 14 h (control), (b) 8 h, (c) 6 h, and (d) 4 h for a period of 1-3 weeks, before they were transplanted to bigger size containers. Reducing photoperiod did not result in bud formation or shoot inhibition although it increased the number of lateral shoots. Seedlings subjected to 6-h photoperiod for 2 weeks during pre-cultivation in mini-plugs had improved root characteristics, giving them a higher potential for outplanting success, especially in Mediterranean areas.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Performance and quality of Cupressus sempervirens L. mini-plug seedlings under reduced photoperiod

2010

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“…We assumed that a depth of 9.5 cm would not hinder root growth according to data obtained from Kostopoulou et al . (). Pot positions were randomized twice a week.…”

Section: Methodsmentioning

confidence: 97%

“…This pot size is highly recommended for the first five weeks growth in order to improve survival and outplanting success of C. sempervirens seedlings (Kostopoulou et al . , ). After one month, seedlings were transplanted into larger pots (9 × 9 × 9.5 cm) with the same soil composition.…”

Section: Methodsmentioning

confidence: 99%

“…Variation in climatic conditions across the sampling range (Campbell & Sorensen 1978;Calamassi et al 1988;Kostopoulou et al 2010;Leites et al 2012), may also have contributed to the differences in seedling performance of natural and afforested types. Our afforested populations originated from remarkably stressful conditions in comparison to the natural population type.…”

Section: Performance Differences Between Natural and Afforested Populmentioning

confidence: 99%

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Performance of seedlings from natural and afforested populations ofCupressus sempervirensunder different temperature and moisture regimes

Al-Hawija

Lachmuth

Welk

et al. 2014

Plant Species Biology

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For successful afforestation programs seed quality is crucial, but seedlings are susceptible to climatic stress. Therefore, to improve afforestation success it is necessary to compare performance of seedlings from natural and cultivated populations under different climatic conditions. We investigated growth performance in seedlings of three natural and four afforested Syrian Cupressus sempervirens L. populations under different temperature and moisture regimes. A "warm" climate chamber approximately simulated current mean annual temperatures (day/night: 20/10°C) while a "hot" chamber simulated an average increase of 5°C (day/night: 25/15°C). Seedlings were irrigated twice (drier) or thrice (moist) weekly. Seedlings from natural provenances outperformed those from afforested stands in all growth variables in both chambers. In the warm chamber, root length and biomass were not affected by irrigation for both population types, but shoot height decreased for afforested seedlings under drier treatment while it slightly increased in natural seedlings. In the hot chamber, shoot height decreased but root length and biomass increased for population types under the drier treatment. Comparison between the two chambers showed that under the drier treatment shoot height and biomass decreased at higher temperatures, but root length and biomass were not significantly different. The same response to higher temperatures was observed under the moist treatment, but root biomass decreased too. Our results emphasize the necessity to protect the remaining natural forest of C. sempervirens in Syria and recommend systematic collection of seed material from natural stands for afforestation programs. This might also hold for ex situ cultivation of retrieving rare and endangered plant species.

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Molecular detection assay of the bud mite Trisetacus juniperinus on Cupressus sempervirens in nurseries of central Italy

Bouneb¹,

Lillo

Roversi³

et al. 2013

Exp Appl Acarol

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Trisetacus juniperinus (Nalepa) sensu Keifer (Acari: Eriophyoidea: Phytoptidae) causes irregular development of buds, shoot deformations and stunted growth of trees, resulting in a serious threat to nurseries and young stands of Cupressus sempervirens L. (Mediterranean cypress). Recently, some cypress clones selected for their resistance to the fungal canker agent Seiridium cardinale (Wag.) have shown high susceptibility to the mite. Considering its tiny body, its hidden lifestyle inside the buds and the probable occurrence of other species (the vagrant Epitrimerus cupressi (Keifer) is common on the Mediterranean cypress in Italy), detection and monitoring of T. juniperinus require taxonomic expertise and are often time-consuming and challenging before serious damage is discernible. In the present study, a rapid, cost-effective PCR-based method was developed and validated to detect T. juniperinus on cypresses. The cytochrome c oxidase subunit I gene was amplified with degenerate and specific primers, but the latter were the only ones able to discriminate between T. juniperinus and E. cupressi. PCR products distinguished the two species both in a pool of individuals in a mixed population of both species and in single individuals, indicating the sensitivity of the detection method. PCR-RFLP (restriction fragment length polymorphism) by means of XmnI and XbaI endonucleases separated the two species. Furthermore, a washing-sieving protocol was used to make mite collection from the tree sample faster and simpler; this procedure did not interfere with the molecular detection of the species. The possibility of the routine use of this assay to monitor quarantine eriophyoids infesting plant material is discussed.

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Enhancing planting stock quality of Italian cypress (Cupressus sempervirens L.) by pre-cultivation in mini-plugs

Cited by 19 publications

References 33 publications

Performance and quality of Cupressus sempervirens L. mini-plug seedlings under reduced photoperiod

Performance and quality of Cupressus sempervirens L. mini-plug seedlings under reduced photoperiod

Performance of seedlings from natural and afforested populations ofCupressus sempervirensunder different temperature and moisture regimes

Molecular detection assay of the bud mite Trisetacus juniperinus on Cupressus sempervirens in nurseries of central Italy

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