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Journal articles on the topic 'Pine seedlings quality'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Shoemaker, Kelsey, D. Paul Jackson, and Joshua Adams. "Testing the reliability of morphological patterns to identify Sonderegger pine in forest tree seedling nurseries." REFORESTA, no. 19 (July 4, 2025): 8–26. https://doi.org/10.21750/refor.19.02.123.

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Sonderegger pine (Pinus x sondereggeri H.H. Chapm.), the natural hybrid of longleaf (Pinus palustris Mill.) and loblolly pine (Pinus taeda L.), commonly occurs in longleaf pine seedlots grown in forest tree seedling nurseries in the southeastern United States. Because longleaf pine seedlings have a grass stage with minimal epicotyl development (< 1 cm), the initiation of stem growth (12 to 15 cm) in longleaf pine seedlots has been used to indicate that hybridization with loblolly pine (Pinus taeda L.) has occurred. Sonderegger pine seedlings are typically culled at the nursery due to observ

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2

Häggström, Bodil, Jörgen Hajek, Annika Nordin, and Jonas Öhlund. "Effects of Planting Position, Seedling Size, and Organic Nitrogen Fertilization on the Establishment of Scots Pine (Pinus sylvestris L.) and Norway Spruce (Picea abies (L.) Karst) Seedlings." Forests 15, no. 4 (2024): 703. http://dx.doi.org/10.3390/f15040703.

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The forest regeneration phase in Sweden commonly involves mechanical soil preparation followed by the planting of Scots pine (Pinus sylvestris L.) or Norway spruce (Picea abies (L.) Karst) seedlings. The prepared soil offers planting positions with different properties, including reduced damage by pine weevils (Hylobius abietis L.). Nitrogen fertilization can be applied at the time of planting to aid establishment of the seedlings. In this study, we compared the effects of different planting positions, organic nitrogen fertilization, and different seedling sizes on the early survival and growt

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3

Bilir, Nebi, and Durmuş Çetinkaya. "Morphological variation and quality in Anatolian black pine seedlings." Theoretical and Applied Forestry 2, no. 1 (2022): 19–21. http://dx.doi.org/10.53463/tafor.2022vol2iss1pp19-21.

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There are many biological and environmental factors in success of forest establishment including afforestation, industrial plantation, and other forestry practices such as nursery technique and provenance. Forest establishment is also getting importance for the Anatolian Black pine [Pinus nigra Arnold. subsp. pallasiana (Lamb.) Holmboe] because of its widely using in afforestation and higher unproductive forest area, and other practices (i.e., landscape planning). It is known that seedling morphology and quality play key role in biological and economical success in these practices. This study

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4

Cha, Kim, Choi, et al. "Pre-Plant Fumigation of Soils for Nematode Control Affects the Seedling Production and Morphological Properties of Pine and Larch Seedlings." Forests 10, no. 10 (2019): 843. http://dx.doi.org/10.3390/f10100843.

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Using a fumigation sterilizer (Dazomet) for nematode control, this study determined the effect of soil sterilization on the quantity and quality of the growth of Pinus densiflora Siebold & Zucc. and Larix kaempferi (Lamb.) Carrière seedlings in an open-field nursery at Jeongseon-gun, Kangwon-do, Republic of Korea. Most soil nematodes disappeared after fumigant sterilization. The organic matter content, cation exchange capacity, and Mg2+ content of the soil increased significantly, but the electrical conductivity (EC) decreased. The quantity of pine and larch seedlings was highly correlated

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5

Hubbel, Kyrstan, Amy Ross-Davis, Jeremiah Pinto, Owen Burney, and Anthony Davis. "Toward Sustainable Cultivation of Pinus occidentalis Swartz in Haiti: Effects of Alternative Growing Media and Containers on Seedling Growth and Foliar Chemistry." Forests 9, no. 7 (2018): 422. http://dx.doi.org/10.3390/f9070422.

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Haiti has suffered great losses from deforestation, with little forest cover remaining today. Current reforestation efforts focus on seedling quantity rather than quality. This study examined limitations to the production of high-quality seedlings of the endemic Hispaniolan pine (Pinus occidentalis Swartz). Recognizing the importance of applying sustainable development principles to pine forest restoration, the effects of growing media and container types on seedling growth were evaluated with the goal of developing a propagation protocol to produce high-quality seedlings using economically fe

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6

Chanway, C. P., and F. B. Holl. "Growth of Outplanted Lodgepole Pine Seedlings One Year After Inoculation with Plant Growth Promoting Rhizobacteria." Forest Science 40, no. 2 (1994): 238–46. http://dx.doi.org/10.1093/forestscience/40.2.238.

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Abstract Four-month-old lodgepole pine seedlings were inoculated with plant growth promoting rhizobacteria (Bacillus polymyxa strain L6-16R) and outplanted at one interior site (Gavin Lake) and two coastal sites (University of British Columbia South Campus and Totem Field) in British Columbia. The percentage of seedlings that incurred overwinter injury and that survived 13 months after outplanting were not influenced by bacterial inoculation. At Totem Field, where growth of control seedlings was greatest, inoculation had an inhibitory effect on seedling performance. At South Campus, where grow

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7

Colombo, Ronan Carlos, Vanessa Favetta, Deived Uilian de Carvalho, Maria Aparecida da Cruz, Sergio Ruffo Roberto, and Ricardo Tadeu de Faria. "Production of desert rose seedlings in different potting media." Ornamental Horticulture 23, no. 3 (2017): 250. http://dx.doi.org/10.14295/oh.v23i3.1039.

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Over the past decade the desert rose received fame in the flower market due to its striking and sculptural forms; however, the commercial production of these species is quite recent and little is known about its crop management, including substrates recommendation. The objectives of this study were to investigate the effect of different substrates on desert rose seed germination and production of its seedlings. Experiment I: freshly harvested seeds of desert rose were sown in different substrates e.g. sand, coconut fiber, semi-composted pine bark, sand + coconut fiber, semi-composted pine bark

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8

Wilhoit, J. H., L. J. Kutz, and W. A. Vandier. "Machine Vision System for Quality Control Assessment of Bareroot Pine Seedlings." Southern Journal of Applied Forestry 21, no. 2 (1997): 90–96. http://dx.doi.org/10.1093/sjaf/21.2.90.

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Abstract A PC-based multiple camera machine vision system for measuring bareroot pine seedlings has been developed for operational data collection in a forest nursery. The system was used for quality control sampling in a forest nursery for 2 lifting seasons. In tests conducted during the first lifting season measuring 100 loblolly pine (Pinus taeda L.) seedlings, there was only moderate correlation on a seedling-by-seedling basis between manual measurements made by nursery personnel and machine vision measurements of root collar diameter, shoot height, and tap root length. Overall machine vis

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Colombo, Ronan Carlos, Vanessa Favetta, Maria Aparecida da Cruz, Deived Uilian de Carvalho, Sergio Ruffo Roberto, and Ricardo Tadeu de Faria. "Acclimatization and growth of ornamental pineapple seedlings under organic substrates." Ornamental Horticulture 23, no. 3 (2017): 257. http://dx.doi.org/10.14295/oh.v23i3.1040.

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The in vitro propagation techniques are commonly used to produce ornamental pineapple seedlings in commercial scale, aiming to attend the growers with genetic and sanitary quality seedlings. However, the choice of the ideal substrate is essential for the acclimatization and growth stage of the seedlings propagated by this technique, since some substrates can increase the seedling mortality and/or limit the seedling growth due to its physical and chemical characteristics. Thus, the aim of this study was to evaluate the acclimatization of ornamental pineapple [Ananas comosus (L.) Merr. var. anan

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10

Sayer, Mary Anne Sword, Shi-Jean Susana Sung, and James D. Haywood. "Longleaf Pine Root System Development and Seedling Quality in Response to Copper Root Pruning and Cavity Size." Southern Journal of Applied Forestry 35, no. 1 (2011): 5–11. http://dx.doi.org/10.1093/sjaf/35.1.5.

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Abstract Cultural practices that modify root system structure in the plug of container-grown seedlings have the potential to improve root system function after planting. Our objective was to assess how copper root pruning affects the quality and root system development of longleaf pine seedlings grown in three cavity sizes in a greenhouse. Copper root pruning increased seedling size, the allocation of root system dry weight to the taproot, and the fraction of fibrous root mass allocated to secondary lateral roots compared with primary lateral roots. It decreased the allocation of root system d

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Mitchell, Robert J., Bruce R. Zutter, and David B. South. "Interaction Between Weed Control and Loblolly Pine,Pinus taeda, Seedling Quality." Weed Technology 2, no. 2 (1988): 191–95. http://dx.doi.org/10.1017/s0890037x00030396.

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Third-year heights, third-year root-collar diameters, and 3 yr volume growth of loblolly pine seedlings were examined in relation to a) root-collar diameter class at time of planting and b) herbaceous weed control. Treatments were a) no weed control and b) complete control for 2 yr. For both weed control treatments, means for third-year heights, groundline diameters, and volume growth were related positively to initial seedling diameter. The influence of initial seedling diameter on third-year diameters and heights did not differ among weed control treatments. However, the influence of initial

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12

Simpson, David G., and Alan Vyse. "Planting stock performance: Site and RGP effects." Forestry Chronicle 71, no. 6 (1995): 739–42. http://dx.doi.org/10.5558/tfc71739-6.

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Douglas-fir [Pseudotsuga menziesii var glauca (Beissn.) Franco], interior spruce [Picea glauca Moench (Voss), Picea engelmannii (Parry) and their naturally occurring hybrids] and lodge-pole pine (Pinus contorta Dougl.) seedlings were planted on several forest sites in south central British Columbia. At planting, root growth potential (number of newly elongated roots longer than 10 mm per seedling) was determined. Trees were assessed for survival and height for at least five years. Survival of Douglas-fir and growth of all three species was affected by planting site, probably reflecting moistur

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13

Kingery, J. L., and R. T. Graham. "The Effect of Cattle Grazing on Ponderosa Pine Regeneration." Forestry Chronicle 67, no. 3 (1991): 245–48. http://dx.doi.org/10.5558/tfc67245-3.

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During the summer and fall of 1982, a study was established on the Nez Percé National Forest in central Idaho to assess the effects of cattle grazing on the performance of a new ponderosa pine (Pinus ponderosa Laws.) plantation. Three study sites were located in a Douglas-fir/ninebark (Pseudotsuga menziesii/Physocarpus malvaceus) habitat type. Results after six years showed that livestock use can influence tree seedling establishment. Mortality and damage to tree seedlings from cattle resulted primarily from trampling rather than from browsing. Five and one-half percent of the seedlings were d

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14

Rolbiecki, Roman, Cezary Podsiadło, Andrzej Klimek, and Stanisław Rolbiecki. "Comparison of response of Scots pine seedlings to micro-irrigation and organic fertilization on a post-arable land at zoo-melioration treatment applied under rainfall-thermal conditions of Bydgoszcz and Stargard Szczeciński." Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation 40, no. 1 (2008): 55–65. http://dx.doi.org/10.2478/v10060-008-0037-y.

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Comparison of response of Scots pine seedlings to micro-irrigation and organic fertilization on a post-arable land at zoo-melioration treatment applied under rainfall-thermal conditions of Bydgoszcz and Stargard Szczeciński Comparison of response of Scots pine seedlings to micro-irrigation and organic fertilization on a post-arable land at zoo-melioration treatment applied under rainfall-thermal conditions of Bydgoszcz and Stargard Szczeciński. The aim of the study was to determine the effect of microirrigation (microjet sprinkling and drip irrigation) and organic fertilization (compost prepar

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15

Romanchuk, L., and P. Didenko. "Bioecofunge-C preparation impact on growth and development of pine planting material (Pinus sylvestris L.)." Agrobìologìâ, no. 1(171) (June 24, 2022): 198–204. http://dx.doi.org/10.33245/2310-9270-2022-171-1-198-204.

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Pine plantations drying has been observed during the last decade. Mass drying occurs in the temperate climate zone forests. Scots pine has been signifcantly weakened in recent years, which may further result in a change in the type of forests in Zhytomyr Polissia. This article covers the issue of growing Scots pine seedlings treated with Bioecofunge-C. A study of the biological preparation effect on the germination and growth of Scots pine seedlings in the conditions of Zhytomyr Polissia was conducted. It was proved that the germination energy of Scots pine seeds was signifcantly higher in the

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16

Huang, He, Haibo Wu, Rosana López, Dongsheng Yin, Hailong Shen, and Peng Zhang. "Effects of Pre-Hardening and Autumn Fertilization on Biomass Allocation and Root Morphology of Pinus koraiensis Seedlings." Forests 14, no. 1 (2022): 59. http://dx.doi.org/10.3390/f14010059.

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The effects of pre-hardening fertilization and autumn fertilization on seedling growth have been studied separately, but studies on their combined effects are relatively scarce. We studied the effects of pre-hardening fertilization type and autumn fertilization level on biomass allocation and root morphology of container-grown seedlings of Korean pine (Pinus koraiensis Sieb. et Zucc.), a valuable evergreen conifer distributed from Changbai Mountain to the Xiaoxing’an Mountains in northeastern China. Three pre-hardening fertilization types (conventional fertilization, exponential fertilization,

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17

Kormanek, Mariusz, Stanisław Małek, and Sylwester Tabor. "Resistance to Pulling Seedlings Out of the Nursery Container." Forests 15, no. 12 (2024): 2157. https://doi.org/10.3390/f15122157.

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An important issue in container nurseries is the production of seedlings of appropriate quality. These seedlings must meet specific biometric parameters and possess traits that ensure their suitability for later use in forest cultivation. One such traitis the ease of pulling the seedling out of the container cell, characterized by the pulling resistance. This resistance depends on many factors, including theseedling parameters, substrate, and container. In this work, a prototype measuring station was used to record seedling pull-out resistance as a function of their vertical displacement. Test

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18

Li, Min, Haoyun Wang, Xizhou Zhao, Zhongke Lu, Xueguang Sun, and Guijie Ding. "Role of Suillus placidus in Improving the Drought Tolerance of Masson Pine (Pinus massoniana Lamb.) Seedlings." Forests 12, no. 3 (2021): 332. http://dx.doi.org/10.3390/f12030332.

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Masson pine is an important afforestation species in southern China, where seasonal drought is common. The present study focused on the effects of Suillus placidus, an ectomycorrhizal fungus, inoculation on the growth and physiological and biochemical performance of masson pine seedlings under four different watering treatments (well-watered, mild drought, moderate drought, and severe drought) to evaluate the symbiotic relationship between S. placidus and masson pine seedlings. Ectomycorrhizal-inoculated (ECM) and non-inoculated (NM) seedlings were grown in pots and maintained for 60 days usin

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Boyer, James N., David B. South, Carl Muller, Harry Vanderveer, Walter Chapman, and William Rayfield. "Speed of Germination Affects Diameter at Lifting of Nursery-Grown Loblolly Pine Seedlings." Southern Journal of Applied Forestry 9, no. 4 (1985): 243–47. http://dx.doi.org/10.1093/sjaf/9.4.243.

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Abstract Speed of germination affects seedling quantity and quality. This study investigated the effect of germination speed on loblolly pine (Pinus taeda) seedling diameter at lifting. Studies were installed at three forest nurseries in Alabama to test the effects of stratification treatments on speed of germination and of seedling emergence date on final seedling diameter. Results varied with the length of stratification employed. However, in all cases, seedlings which emerged earliest (first 40%) attained significantly larger diameters than seedlings from seeds which germinated later.¹

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Folk, R. S., V. R. Timmer, and J. B. Scarratt. "Evaluating peat as a growing medium for jack pine seedlings. 1. Conventional quality indices." Canadian Journal of Forest Research 22, no. 7 (1992): 945–49. http://dx.doi.org/10.1139/x92-126.

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Jack pine (Pinusbanksiana Lamb.) seedlings were grown in paperpots filled with 26 different horticultural peat moss substrates to evaluate conventional laboratory indices for characterizing container growing media. Seedling growth performance varied on the different substrates; dry weight differed 52% and height at harvest differed 37% between the best and poorest yielding peat. Precultural physical and chemical properties of the growing media varied widely, but correlated weakly with growth and nutrient composition of the seedlings, suggesting that conventional laboratory indices were not sen

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Данчева, А. В., С. В. Залесов, and Д. А. Половникова. "THE EFFECT OF THE SUBSTRATE ON THE BIOMETRIC PARAMETERS OF SEEDLINGS OF SCOTS PINE WITH A CLOSED ROOT SYSTEM." Леса России и хозяйство в них, no. 4(87) (December 8, 2023): 94–104. http://dx.doi.org/10.51318/fret.2023.87.4.010.

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Проанализирован опыт выращивания посадочного материала сосны обыкновенной (Pinus sylvestris L.) с закрытой корневой системой на базе Сибирской лесной опытной станции Тюмени. В результате проведенных исследований установлено, что биометрические показатели сеянцев сосны обыкновенной, такие как высота, диаметр у корневой шейки и диаметр зеленой (охвоенной) части, выращенных в торфяном субстрате, превышают аналогичные показатели сеянцев, выращенных на садовой почве, в 1,5–3,0 раза. Через 4 мес. после посева у 90 % сеянцев, выращенных на торфяном субстрате, высота стволика соответствует нормативным

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22

Won, Sang-Jae, Vantha Choub, Jun-Hyeok Kwon, Dong-Hyun Kim, and Young-Sang Ahn. "The Control of Fusarium Root Rot and Development of Coastal Pine (Pinus thunbergii Parl.) Seedlings in a Container Nursery by Use of Bacillus licheniformis MH48." Forests 10, no. 1 (2018): 6. http://dx.doi.org/10.3390/f10010006.

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This study investigated the control of Fusarium root rot and development of coastal pine (Pinus thunbergii) seedlings in a container nursery by using Bacillus licheniformis MH48. High-quality seedlings without infectious diseases cause vigorous growth. Fusarium root rot caused by Fusarium oxysporum is responsible for serious damage to coastal pine seedlings in nurseries. B. licheniformis MH48 produced enzymes that degraded the fungal cell walls, such as chitinase and β-1,3-glucanase. These lytic enzymes exhibited destructive activity toward F. oxysporum hyphae, which were found to play key rol

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Grafova, Elena, Olga Gavrilova, and Vladimir Syunev. "Assessment of the growth of forest seedlings in new substrates from wood waste and sewage sludge." BIO Web of Conferences 126 (2024): 01018. http://dx.doi.org/10.1051/bioconf/202412601018.

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The morphological parameters of Scots pine (Pinus sylvestris L.) seedlings grown in experimental substrates made from sewage sludge and pine shavings (substrate 1), and pine bark (substrate 2) were studied. The production time of the substrate varied: substrate 1 – 2 months, substrate 2 – 1.5 years. Seedlings of 2-year-old pine were selected for research. To analyze the parameters of seedlings, average values and square deviations were calculated, reliability was determined by Fisher and Student tests. To analyze the length of the root system, one-way analysis of variance was used in MS Excel.

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Wang, Li, Zhuo Huang, Handong Gao, and Chao Ni. "A method for continuously monitoring the quality of Masson pine seedlings." PLOS ONE 16, no. 3 (2021): e0234592. http://dx.doi.org/10.1371/journal.pone.0234592.

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Root growth potential (RGP) is a popular physiological indicator used to evaluate seedling vigor. However, the time scale used in the RGP test is the order of days, which leads to poor performance of the RGP method. We propose an optical interference method, called statistical interferometry, to measure minute root elongation at a sub-nanometer scale, which can decrease the time used in measuring RGP. The time scale of this method is also 104 times less than that of the RGP method. Because we can measure the length of root elongation continuously, we can compute the root elongation rate (RER),

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Carrillo-García, Cristina, Carmen Hernando, Carmen Díez, Mercedes Guijarro, and Javier Madrigal. "Severity, Logging and Microsite Influence Post-Fire Regeneration of Maritime Pine." Fire 7, no. 4 (2024): 125. http://dx.doi.org/10.3390/fire7040125.

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We investigated the influence of fire severity, logging of burnt wood, local ecological factors and their interaction on the natural regeneration, survival and growth of maritime pine (Pinus pinaster Ait.), following a fire that took place in 2005. During the period 2006–2020, a sample of 1900 seedlings were monitored, in which three post-fire treatments were applied: (1) Early logging (before seedling emergence); (2) Delayed logging (after emergence); and (3) No management. Multivariate semi-parametric and non-parametric techniques were used to model seedling survival, estimated density and g

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Köster, Egle, Jukka Pumpanen, Marjo Palviainen, Xuan Zhou, and Kajar Köster. "Effect of biochar amendment on the properties of growing media and growth of containerized Norway spruce, Scots pine, and silver birch seedlings." Canadian Journal of Forest Research 51, no. 1 (2021): 31–40. http://dx.doi.org/10.1139/cjfr-2019-0399.

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Common practices and several studies have demonstrated the positive effect of biochar amendment on climate change mitigation, soil properties, and plant growth. We performed a greenhouse experiment to assess the potential of wood biochar to improve the properties of the growing media and the growth of seedlings in boreal tree species. We added willow biochar (0%, 5%, 10%, and 20%) to raw peat and measured the growth of Norway spruce (Picea abies (L.) H. Karst.), Scots pine (Pinus sylvestris L.), and silver birch (Betula pendula Roth) seedlings. In addition, the co-effect of biochar amendment w

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Yun, Ju-Yeol, Hyun-Seop Kim, Jae-Hyun Moon, et al. "Antifungal and Plant-Growth Promotion Effects of Bacillus velezensis When Applied to Coastal to Pine (Pinus thunbergii Parl.) Seedlings." Forests 15, no. 1 (2023): 62. http://dx.doi.org/10.3390/f15010062.

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Fungal diseases such as root rot and leaf blight cause substantial losses in coastal pine (Pinus thunbergii Parl.) seedling production, which hinders afforestation/forest restoration programs. We isolated and identified Fusarium oxysporum and Alternaria alternata as the causal agents of root rot and needle blight diseases and investigated the biocontrol efficacy against the fungal pathogens and growth promotion of coastal pine seedlings using Bacillus velezensis CE 100. The bacterium produced the hydrolytic enzymes chitinase, β-1,3-glucanase, and protease enzymes, and the crude enzyme fraction

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Dumroese, R. Kasten, and David L. Wenny. "Sowing Sized Seed of Western White Pine in a Containerized Nursery." Western Journal of Applied Forestry 2, no. 4 (1987): 128–30. http://dx.doi.org/10.1093/wjaf/2.4.128.

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Abstract Sorting seed by size has been reported as a potential method to improve seedling uniformity and increase crop yields. Seeds of rust-resistant western white pine (Pinus monticola Dougl. ex D. Don), harvested in 1983 at the Moscow, Idaho, White Pine Breeding Arboretum, were separated by screens into diameter classes. Seedlings from each size class were grown in containers in greenhouses. Differences in seed diameter were associated with differences in germination capacity and germination energy (P < 0. 01). Seed diameter was unrelated to final height and stem diameter of seedlings (p

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Mariusz, Kormanek, Małek Stanisław, Banach Jacek, and Durło Grzegorz. "Effect of Changing Substrate Density and Water Application Method on Substrate Physical Properties and Container-Grown Seedling Growth." Forests 14, no. 7 (2023): 1490. http://dx.doi.org/10.3390/f14071490.

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The quality of container-grown seedlings is influenced by the air and water properties of the substrate. These properties are closely tied to the amount and frequency of water supplied through sprinkler systems in nurseries, as well as the density of the substrate in the container cells. Throughout the entire growing season, this study examined how various parameters of Scots pine, Norway spruce, European beech, and pedunculate oak seedlings cultivated in HIKO V120SS and V265 containers were affected by two factors. Firstly, the study analyzed the impact of increased substrate density when fil

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Hardiwinoto, Suryo, Nur Adin Eko Saputro, Handojo Hadi Nurjanto, and Widiyatno Widiyatno. "Media Kompos Serbuk Gergaji Kayu Sengon dan Pupuk Lepas Lambat untuk Meningkatkan Pertumbuhan Semai Pinus merkusii di KPH Banyumas Timur." Jurnal Ilmu Kehutanan 4, no. 2 (2013): 111. http://dx.doi.org/10.22146/jik.1567.

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Effects of Composted Sawdust of Falcata Media and Slow Release Fertilizer to Promote Pinus merkusii Seedling growth in Banyumas Timur FMUPhysical and chemical properties of the potting media, especially porosity and nutrient availability, are required to produce good quality seedlings of pine (Pinus merkusii Jungh et de Vries). Composted sawdust of sengon (Paraserianthes falcataria) wood is a potential material to be used for growing media of pine seedlings. However, since this material contains low nutrients, addition of a slow release fertilizer is required to meet the nutrient demand of see

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Novikov, Arthur, Sergey Sokolov, Michael Drapalyuk, Vladimir Zelikov, and Vladan Ivetić. "Performance of Scots Pine Seedlings from Seeds Graded by Colour." Forests 10, no. 12 (2019): 1064. http://dx.doi.org/10.3390/f10121064.

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Research Highlights: One of the ways to improve the quality of a seedlot used in the forest nursery is the grading of seed by colour. Background and Objectives: The study is intended for forest’s engineers and owners because it offers an alternative solution for forest seeds improvement before sowing. The success of forest establishment program mainly depends on the quality of Forest Reproductive Material. At this time usual practices during the seed processing is seed grading on size. This causes a lot of controversy about the possible reduction of genetic diversity through directional select

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Kabanova, Svetlana Anatolyevna, Valery Anatolyevich Bortsov, and Matvey Anatolyevich Danchenko. "Adaptation of foreign technologies of intensive cultivation of scots pine planting material in Kazakhstan." RUDN Journal of Agronomy and Animal Industries 15, no. 1 (2020): 40–50. http://dx.doi.org/10.22363/2312-797x-2020-15-1-40-50.

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The purpose of the research was the adaptation of foreign technologies for intensive and accelerated cultivation of Scots pine planting material in Kazakhstan. Objects of research were annual seedlings of scots pine in forest nurseries of Pavlodar, Akmola, and North Kazakhstan regions. The experiments were established in 4 directions: application of dry growth regulators to soil, pre-sowing seed treatment with growth regulators, soaking seeds in stimulants and fungicide, pre-sowing watering of the soil with growth regulators. It was established that seed quality decreased significantly compare

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Zhu, Yan, Shan Li, Caiyun Wang, R. Kasten Dumroese, Guolei Li, and Qingmei Li. "The effects of fall fertilization on the growth of Chinese pine and Prince Rupprecht’s larch seedlings." Journal of Forestry Research 31, no. 6 (2019): 2163–69. http://dx.doi.org/10.1007/s11676-019-01054-0.

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Abstract Nutrient loading in the fall is a practical way to improve seedling quality and has been proven to increase nutrient accumulation, translocation and utilization. Few studies have reported on the variation in free amino acids as a result of fall fertilization, especially for different seasonal needle habits (evergreen, deciduous). Therefore, a balanced two-factor factorial design with one fall fertilization treatment (10 mg N/seedling) and Chinese pine (Pinus tabulaeformis Carr.) and Prince Rupprecht’s larch (Larix principis-rupprechtii Mayr.) seedlings was used to examine growth respo

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Morris, D. M., G. B. MacDonald, and K. M. McClain. "Evaluation of morphological attributes as response variables to perennial competition for 4-year-old black spruce and jack pine seedlings." Canadian Journal of Forest Research 20, no. 11 (1990): 1696–703. http://dx.doi.org/10.1139/x90-226.

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The sensitivity of seedling morphological attributes to changing competition levels was evaluated on 4-year-old black spruce (Piceamariana (Mill.) B.S.P.) and jack pine (Pinusbanksiana Lamb.) seedlings to determine the most appropriate response variables to be used in the assessment of early plantation performance. A total of 720 seedlings (360 per species) were sampled between 1987 and 1989, covering a range of stock types, soil textures, and competition levels. A competition index, derived from hemispherical photographs, provided an estimate of incident radiation received by each sampled see

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Ritchie, Gary A., John R. Roden, and Nick Kleyn. "Physiological quality of lodgepole pine and interior spruce seedlings: effects of lift date and duration of freezer storage." Canadian Journal of Forest Research 15, no. 4 (1985): 636–45. http://dx.doi.org/10.1139/x85-104.

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Owing to frozen ground, nurseries in interior Oregon, Washington, and British Columbia are often unable to lift bare-root seedlings during midwinter when they are in peak physiological condition. Therefore, seedlings are normally lifted in the fall and planted either immediately or after overwinter storage, or lifted in the spring and planted either immediately or after brief storage. The objective of this study was to ascertain which of the above strategies produced planting stock with the highest physiological quality. The species evaluated were lodgepole pine (Pinuscontorta Dougl.) and inte

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Hung, Ling-Ling L., and Randy Molina. "Use of the ectomycorrhizal fungus Laccarialaccata in forestry. III. Effects of commercially produced inoculum on container-grown Douglas-fir and ponderosa pine seedlings." Canadian Journal of Forest Research 16, no. 4 (1986): 802–6. http://dx.doi.org/10.1139/x86-142.

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Inoculation of container-grown Douglas-fir and ponderosa pine seedlings with vegetative inoculum of Laccarialaccata (Scop.:Fr.) Berk. & Br., prepared by Sylvan Spawn Laboratory, yielded ectomycorrhizae in a research greenhouse experiment; however, in two container nurseries, ectomycorrhizae were observed only on inoculated Douglas-fir seedlings. Successfully colonized seedlings had more short roots than did the controls. The percentage of L. laccata ectomycorrhizae increased with increasing inoculation rates. Inoculation rate for best seedling growth and ectomycorrhiza formation differed b

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Frampton, L. John, and James F. Hodges. "Nursery Rooting of Cuttings from Seedlings of Slash and Loblolly Pine." Southern Journal of Applied Forestry 13, no. 3 (1989): 127–32. http://dx.doi.org/10.1093/sjaf/13.3.127.

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Abstract Methods used to root slash (Pinus elliottii var. elliottii Englem.) and loblolly (Pinus taeda L.) pine cuttings from 1-0 seedlings in outdoor nursery beds are described. The species, the date of setting (February or March) and the type of shoot collected (succulent, top-pruned or bud-set)influenced rooting success. A February rather than March setting date is recommended. The succulent shoot type rooted best for slash pine while nonsucculent shoot types rooted best for loblolly pine. When considering all types of shoots set in February, slash and loblolly pine cuttings rootedat 77 and

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Shiver, Barry D., Bruce E. Borders, Henry H. Page, and Steven M. Raper. "Effect of Some Seedling Morphology and Planting Quality Variables on Seedling Survival in the Georgia Piedmont." Southern Journal of Applied Forestry 14, no. 3 (1990): 109–14. http://dx.doi.org/10.1093/sjaf/14.3.109.

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Abstract A seedling survival study for site-prepared loblolly pine (Pinus taeda L.) plantations, consisting of 43 locations, was established during two planting seasons in 1986-87 in the Georgia Piedmont. Seedlings with top lengths less than 15 cm and with root collar diameters less than 2.5 mm survived significantly worse than larger seedlings, but such small seedlings comprised less than 2% of seedlings bagged and planted in the study. Culling in the field to eliminate such a small percentage of seedlings in addition to culling already done at the nursery is probably not worth the expense fr

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Landhäusser, Simon M., Erin T. Wiley, Kevin A. Solarik, Shaun P. Kulbaba, and Alexander E. Goeppel. "The Importance of Initial Seedling Characteristics in Controlling Allocation to Growth and Reserves under Different Soil Moisture Conditions." Forests 14, no. 4 (2023): 796. http://dx.doi.org/10.3390/f14040796.

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After disturbance, forest regeneration and resiliency depend on the ability of seedlings to respond, survive, and grow under a variety of stress conditions, including drought. Despite recent efforts to improve our fundamental knowledge surrounding plant response mechanisms to stress and their application in seedling quality research, initial seedling characteristics are often ignored when exploring seedling responses to stress in field plantings or ecophysiological studies. Here, we explore how initial differences in size, biomass allocation, and non-structural carbohydrate (NSC) storage affec

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Januszek, Kazimierz, Hanna Stępniewska, Ewa Błońska, et al. "lmpact of aluminium sulphate fertiliser on selected soil properties and the efficiency and quality of pine seedlings in the forest ground tree nursery." Forest Research Papers 75, no. 2 (2014): 127–38. http://dx.doi.org/10.2478/frp-2014-0012.

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Abstract The alkalisation of soil is a common phenomenon in forest ground nurseries. Liming, inadequate fertilisation and the use of hard water for irrigation are the main reasons for this alkalisation. The aim of this study was to investigate the effect of fertilisation with aluminium sulphate on soil pH, the activity of selected soil enzymes, efficiency as well as the growth parameters of pine seedlings. The study was conducted in a forest nursery, on a plot with soil pH 6.4 in water and 5.9 in 1M KCl. Such a pH is not conducive to the production of conifer seedlings, particularly pines. Two

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Nawrot-Chorabik, Katarzyna, Małgorzata Osmenda, Krzysztof Słowiński, Dariusz Latowski, Sylwester Tabor, and Stephen Woodward. "Stratification, Scarification and Application of Phytohormones Promote Dormancy Breaking and Germination of Pelleted Scots Pine (Pinus sylvestris L.) Seeds." Forests 12, no. 5 (2021): 621. http://dx.doi.org/10.3390/f12050621.

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Seed quality is an important issue in forestry as it is an essential parameter in the production of high quality planting material. Many factors may hinder the harvesting of high quality seeds, including an insufficient number of sunny days, external conditions in temperate climate zones, and fungal pathogens affecting development of seedlings. We undertook to develop a procedure maximizing seed protection and promoting the optimum physiological development of seedlings by examination of the impact of seed pelleting (a general seed protection method) on germination rates and seedling developme

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Zhou, Minyi, Terry L. Sharik, Martin F. Jurgensen, Dana L. Richter, Margaret R. Gale, and Thomas D. Drummer. "Regeneration of Northern Red Oak in Relation to Ectomycorrhizae in Oak and Pine Stands after Overstory and Understory Manipulations." Northern Journal of Applied Forestry 15, no. 4 (1998): 182–90. http://dx.doi.org/10.1093/njaf/15.4.182.

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Abstract Growth of northern red oak (Quercus rubra L.) seedlings in relation to colonization by indigenous ectomycorrhizal (ECM) fungi was studied in oak and pine stands in northern Lower Michigan that were subjected to overstory and understory manipulations. Two stand types (oak and pine), three blocks of each stand type, four canopy cover treatments (clearcut, 25% cover (50% cover in the first year), 75% cover and uncut), and two understory treatments (shrub removal and untreated control) were involved in the experiment. Northern red oak acorns from a common seed source were sown in May 1991

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Nazarov, Aleksey, Sergey Chetverikov, Darya Chetverikova, et al. "Microbial Preparations Combined with Humic Substances Improve the Quality of Tree Planting Material Needed for Reforestation to Increase Carbon Sequestration." Sustainability 15, no. 9 (2023): 7709. http://dx.doi.org/10.3390/su15097709.

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Restoring forests in areas where they once stood is an important step towards increasing carbon sequestration. However, reforestation requires an increase in current levels of seedling production in the tree nurseries. The purpose of this work was to study the effectiveness of preparations based on bacteria and humic substances (HSs) to stimulate the growth of tree seedlings in a nursery. Two selected strains of Pseudomonas and humic substances were used to treat pine and poplar plants. The treatment of seedlings was carried out during their transplantation and after it, and the effects of tre

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Fedir, Brovko, Yukhnovskyi Vasyl, Brovko Dmytro, Brovko Оlha, Minder Victoria, and Urliuk Yurii. "Prospects of cultivation of Jack pine (Pinus banksiana Lamb.) on sandy soils of natural–technogenic origin in Kyiv Polissia." FOLIA FORESTALIA POLONICA, SERIES A – FORESTRY 64, no. 2 (2022): 90–99. https://doi.org/10.2478/ffp-2022-0009.

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The aim of the research was to identify the influence of environmental factors inherent in the alluvial and displaced sands of the study region on the growth of the Jack pine and the prospects for its cultivation. We found that the success of growth of Jack pine seedlings on sandy soils depends on a set of factors, which include the presence or absence, in the rhizosphere of sand, of humus impurities and genetic horizons of zonal soils, silty or loamy layers, soil density and composition of pine stands formed in the cultivation. On alluvial sands, sparse forests of Jack pine and Scots pine wit

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45

Andreeva, Elena, Svetlana Stetsenko, Gennadiy Terekhov, and Dmitry Basistov. "THE AGROTECHNICAL MEASURES INFLUENCE TO THE GROWTH AND STATE OF THE 1-YEAR-OLD PINE SEEDLINGS ROOT SYSTEM IN FOREST NURSERY BY SOIL CONTAMINATION WITH PESTICIDES." Forestry Engineering Journal 12, no. 3 (2022): 16–25. http://dx.doi.org/10.34220/issn.2222-7962/2022.3/2.

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The growth and mycorrhization of the 1-year-old pine seedlings root system were considered when they were grown in a forest nursery after carrying out various agrotechnical measures: sowing pine after green manure and bare fallow, and also introducing forest litter into the soil. The best growth and the root system development were observed in seedlings grown after bare fallow and bare fallow with the introduction of forest litter in conditions of poor soils (low supply of nutrients). Seedlings grown in all variants after bare fallow had the best growth rates than seedl

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Driessche, R. van den. "Changes in drought resistance and root growth capacity of container seedlings in response to nursery drought, nitrogen, and potassium treatments." Canadian Journal of Forest Research 22, no. 5 (1992): 740–49. http://dx.doi.org/10.1139/x92-100.

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Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco), lodgepole pine (Pinuscontorta Dougl.), and white spruce (Piceaglauca (Moench) Voss) seedlings, each represented by two seed lots, were grown in Styroblock containers in a greenhouse and plastic shelter house from February 1989 to January 1990. The seedlings were exposed to two nitrogen (N) treatments and three potassium (K) treatments arranged factorially within three drought treatments. After winter storage, seedlings from a complete set of treatments were planted into hygric, mesic, and xeric sand beds during 12–14 March. Increasing nursery

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Wagner, Michael R., and Paul D. Evans. "Defoliation increases nutritional quality and allelochemics of pine seedlings." Oecologia 67, no. 2 (1985): 235–37. http://dx.doi.org/10.1007/bf00384291.

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Feret, Peter P., Richard E. Kreh, and Carolyn Mulligan. "Effects of Air Drying on Survival, Height, and Root Growth Potential of Loblolly Pine Seedlings." Southern Journal of Applied Forestry 9, no. 2 (1985): 125–28. http://dx.doi.org/10.1093/sjaf/9.2.125.

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Abstract Loblolly pine (Pinus taeda) seedlings were dried by exposure to ambient conditions and their subsequent quality evaluated for both field performance and root-growth potential. Seedling survival after one growing season was diminished 6.9% and first-year height growth 17% for each 10 minutes of exposure out-doors. Root-growth potential was significantly diminished by air drying with the half-life of a seedling ranging from 15 to 35 minutes depending on ambient conditions. A strong relationship between field performance and root-growth potential was shown. Results support earlier resear

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Carlson, W. C. "Root System Considerations in the Quality of Loblolly Pine Seedlings." Southern Journal of Applied Forestry 10, no. 2 (1986): 87–92. http://dx.doi.org/10.1093/sjaf/10.2.87.

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Abstract A series of studies was carried out to determine quantitative relationships between root system quality parameters and ability to take up water, and expand the root system into adjacent soil. Root system size, described by displacement of water (i.e., root volume), determines the potential for water uptake prior to new root growth. Seedlings of comparatively high root volume also have superior root growth potential (RGP). After new root growth, the potential for water uptake is proportional to the number of new roots produced. The beginning of rapid root growth after planting is depen

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South, David B., Tom E. Starkey, and Al Lyons. "Why Healthy Pine Seedlings Die after They Leave the Nursery." Forests 14, no. 3 (2023): 645. http://dx.doi.org/10.3390/f14030645.

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Artificial regeneration is successful when high-performing seedlings are transported with care to the planting site, stored for a short period in an environment without desiccation or fungal growth, and planted in a deep hole, so roots are in contact with moist soil. One of the requirements for success is the ability to avoid common planting mistakes. Due, in part, to the use of container stock plus an increase in rainfall, the average first-year survival of pine seedlings (89%) in the southern United States is about 15% greater now than 45 years ago. However, when survival is less than 50% si

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