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Bibliographies thématiques / Seedling growth rate

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Littérature scientifique sur le sujet « Seedling growth rate »

Auteur : Grafiati

Publié le 2 juin 2025

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Seedling growth rate"

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KR, Reshmi Raj, Gopala Krishnan S, Arun Kumar MB, and VP Bansal. "Influence of differential root and shoot growth rate on seedling vigour index in rice." Oryza-An International Journal on Rice 59, no. 3 (2022): 323–29. http://dx.doi.org/10.35709/ory.2022.59.3.7.

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Early seedling vigour is an important trait in direct seeded rice which determines the growth and yield. It is a complex trait and is found to be associated with germination and seedling growth. The rice genotypes, BPT 5204 and PB 1850-27 were screened for early seedling vigour traits and the data was recorded on germination percentage, root length, shoot length, seedling length, seedling fresh weight and seedling dry weight. The seedling vigour index I and seedling vigour index II were calculated for both the genotypes. It was observed that seedling vigour index I and II was found higher in P

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Thompson, T. E., and L. J. Grauke. "Pecan Tree Growth and Precocity." Journal of the American Society for Horticultural Science 128, no. 1 (2003): 63–66. http://dx.doi.org/10.21273/jashs.128.1.0063.

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Precocity of pecan [Carya illinoinensis (Wangenh.) C. Koch] seedlings (year of first fruit production) was studied in relation to original seed measurements (nut weight, buoyancy, volume, and density) and in relation to growth index (GI) measurements of seedling trees for 4 years. A total of 2,071 pecan seedlings, representing nine controlled-cross families, were studied. Original seed measurements were not related to precocity of resultant seedling trees; but seed weight, buoyancy, and volume were significantly correlated with seedling growth rates. Nut density was negatively related to growt

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Thompson, T. E., and L. J. Grauke. "Pecan Tree Growth and Precocity." Journal of the American Society for Horticultural Science 128, no. 1 (2003): 63–66. https://doi.org/10.21273/jashs.128.1.63.

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Precocity of pecan [Carya illinoinensis (Wangenh.) C. Koch] seedlings (year of first fruit production) was studied in relation to original seed measurements (nut weight, buoyancy, volume, and density) and in relation to growth index (GI) measurements of seedling trees for 4 years. A total of 2,071 pecan seedlings, representing nine controlled-cross families, were studied. Original seed measurements were not related to precocity of resultant seedling trees; but seed weight, buoyancy, and volume were significantly correlated with seedling growth rates. Nut density was negatively related to growt

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Kim, Hyeonji, Heejae Jo, Gwang-Jung Kim, Hyung-Sub Kim, and Yowhan Son. "Effects of Spring Warming and Drought Events on the Autumn Growth of Larix kaempferi Seedlings." Water 14, no. 12 (2022): 1962. http://dx.doi.org/10.3390/w14121962.

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High temperatures and droughts following winter dormancy can negatively affect seedling growth and mortality. An open-field experiment was conducted to study the growth and mortality of Larix kaempferi seedlings in response to spring warming and drought treatments and to determine whether seedlings could regain their growth capability once the treatments were discontinued. In May 2020, 1-year-old seedlings were exposed to four treatments: control, warming-only, drought-only, and the combined warming and drought. Drought treatment reduced the seedling height and root collar diameter and increas

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Lin, Jiaqi, Dongling Li, Zhenghui Pan, Dou Feng, and Weiyan Xuan. "Effect of the Floating Seedling Technique on Banana Seedling Growth." HortScience 57, no. 3 (2022): 458–63. http://dx.doi.org/10.21273/hortsci16303-21.

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Floating seedling technology was used to propagate banana seedlings. The effects of different substrates, such as wood bran, vermiculite, and Murashige and Skoog (MS) nutrient solution, at different concentrations on the survival rate of banana floating seedlings and the growth of seedling stem, leaf, and root systems were compared. The results showed that banana seedlings treated with MS nutrient solution at one-half or one-third concentration or hydroponically with controlled slow-release fertilizer (0.5–0.6 g/plant) directly added to the wood bran substrate grew the fastest and had the larg

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Sayar, R., H. Bchini, M. Mosbahi, and H. Khemira. "Response of durum wheat (Triticum durum Desf.) growth to salt and drought stresses." Czech Journal of Genetics and Plant Breeding 46, No. 2 (2010): 54–63. http://dx.doi.org/10.17221/85/2009-cjgpb.

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Two durum wheat (Triticum durum Desf.) cultivars were tested for salt and drought tolerance at germination, seedling emergence and early seedling growth in NaCl and PEG-8000 solutions of different osmotic potentials (&ndash;0.2, &ndash;0.4, &ndash;0.6 and &ndash;0.8 MPa). Daily and final germination and emergence percentage, as well as germination and seedling emergence rate, seedling growth, fresh and dry weight were recorded under controlled conditions. Results showed that germination and emergence rates were delayed by both solutions in both cultivars, but Omrabia showed hig

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Zhao, Wen Ju, Li Rong Wang, Hong Ji, Jian Shu Song, and Yan Wei Fan. "Impacts of Plant Additive on the Seedling Bricks’ Physical Properties." Advanced Materials Research 518-523 (May 2012): 5401–5. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.5401.

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Homemade seedling bricks, which mixed and suppressed with the plant additive, clay, compost, slow-release fertilizer, can create a good living environment for plant growth, guide the development and growth of plant roots, achieve integration of bricks and seedlings to plant, and the seedlings transplant without time limit. We tested the molding density, shatter resistance, seepage rate and other physical properties of seedling bricks without plant additive, adding 5% and 10% of wheat straw, wheat shells and corn leaves, and the results show that adding plant additive can improve the physical p

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Conner, Patrick. "Effect of Nitrogen Fertigation on First-year Pecan Seedling Growth." HortTechnology 17, no. 4 (2007): 491–95. http://dx.doi.org/10.21273/horttech.17.4.491.

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Pecan (Carya illinoinensis) seedling rootstocks require several years of growth in the nursery before they are large enough to graft. In this experiment, first-year pecan seedlings were fertigated with varying amounts of calcium nitrate in an attempt to stimulate growth rates. Pecan seedlings were fertigated every 2 weeks from May through October for a total of 10 applications. Total amounts of nitrogen (N) applied by fertigation were 0, 4, 10, 20, and 40 g of N per seedling. Leaf samples were taken after the fourth and tenth fertigations, and leaf elemental concentration was affected by ferti

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Moore, James A., Zhaofei Fan, and Bahman Shafii. "Effect of Root-Plug Incorporated Controlled-Release Fertilizer on Two-Year Growth and Survival of Planted Ponderosa Pine Seedlings." Western Journal of Applied Forestry 17, no. 4 (2002): 216–19. http://dx.doi.org/10.1093/wjaf/17.4.216.

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Abstract Three controlled-release fertilizers (fast release [FR], moderate release [MR], and slow release [SR]) were incorporated in the root plug at rates of 0.8, 1.6, or 3.2 g/seedling at the time of sowing as supplements to nursery supplied soluble fertilizer. Effects on seedling growth, survival, and foliar nutrient status of the “160/90” container ponderosa pine (Pinus ponderosa) were evaluated after outplanting. At the end of the second growing season, fertilized seedlings had significantly greater diameter and height than unfertilized seedlings. The 3.2 g of MR or SR fertilizer treatmen

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Conner, Patrick. "(130) Effects of Nitrogen Fertigation on First-year Pecan Seedling Growth." HortScience 41, no. 4 (2006): 1062D—1062. http://dx.doi.org/10.21273/hortsci.41.4.1062d.

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Pecan seedling rootstocks require several years of growth in the nursery before they are large enough to graft. In this experiment, first-year pecan seedlings were fertigated with varying amounts of calcium nitrate to stimulate growth rates. Pecan seedlings were fertigated every 2 weeks from May through October for a total of 10 applications. Total amounts of nitrogen (N) applied by fertigation were 0, 4, 10, 20, and 40 g of N per seedling. Leaf samples were taken after the fourth and 10th fertigation, and leaf elemental concentration was affected by fertigation rates. Seedling height and cali

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Thèses sur le sujet "Seedling growth rate"

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Kuo, Eva Grotkopp. "Genome size evolution, seedling relative growth rate, and invasiveness in pines (Pinus) /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2003. http://uclibs.org/PID/11984.

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Carter, Paul Quinton. "Effects of defoliation, debudding, and shoot pruning on growth, foliar carbohydrate level, and net photosynthetic rate in balsam fir, Abies balsamea, seedlings." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ35482.pdf.

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Barbado, Norma. "Produção de mudas de Schinus terebinthifolius RADDI provenientes de sementes coletadas em diferentes locais e submetidas a níveis de luminosidade." Universidade Estadual do Oeste do Paraná, 2014. http://tede.unioeste.br:8080/tede/handle/tede/1466.

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Made available in DSpace on 2017-07-10T17:40:52Z (GMT). No. of bitstreams: 1 Norma_Barbado.pdf: 2070778 bytes, checksum: ed667fd80db82f8ed6cdf85c71dfa73e (MD5) Previous issue date: 2014-08-27<br>The collection site of seeds and the environment where seedlings develop can be limiting factors for the development of forest plants. Therefore, this study aimed to evaluate the germination and seedling growth of the pink pepper tree (Schinus terebinthifolius RADDI), grown from seeds from four locations with different altitudes (São Francisco do Sul - SC, Foz do Iguaçu - PR, Maringá PR and Guara

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Erfmeier, Alexandra. "Ursachen des Invasionserfolges von Rhododendron ponticum L. auf den Britischen Inseln Einfluss von Habitat und Genotyp /." Doctoral thesis, [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=975033476.

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Huang, Jing-Ping, and 黃仁彬. "Effects of Nitrogen Application Rate and Soil Water Content on Seedling Growth and Biomass Yield of Switchgrass." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/h99x4s.

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碩士<br>明道大學<br>材料暨系統工程研究所<br>95<br>Switchgrass (Panicum virgatum L.) is a C4 perennial grass grown naturally in most of the central and eastern United States. A stand of switchgrass can grow vigorously over 10 years, resist drought, and survive with low fertilizer inputs. Thus, the U.S. Department of Energy has identified switchgrass as the most promising species for development into herbaceous biomass fuel crop. Switchgrass is also cultivated for the purpose of soil reclamation and habitat development of grassland birds. Switchgrass is as a multi-purpose crop with ecological function, soil con

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Chapitres de livres sur le sujet "Seedling growth rate"

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Basu, Sudipta, and Steven P. C. Groot. "Seed Vigour and Invigoration." In Seed Science and Technology. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-5888-5_4.

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AbstractSeed vigour is an important aspect of seed quality. It is a quantitative trait which is responsible for overall seed performance in terms of rate and uniformity of seed germination, seedling growth, emergence ability under unfavourable environments and post storage performance. Seed vigour is controlled by genetic factors, initial seed quality, production environments, harvesting and storage conditions. Seed vigour tests provide a more sensitive index of seed performance per se than the germination test. Efforts have been focused on developing novel or improving existing methods of vig

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Geras'kin, Stanislav, Roman Churyukin, Polina Volkova, and Sofiya Bitarishvili. "Using ionizing radiation for improving the development and yield of agricultural crops." In Mutation breeding, genetic diversity and crop adaptation to climate change. CABI, 2021. http://dx.doi.org/10.1079/9781789249095.0043.

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Abstract The response of barley seedlings was studied after gamma irradiation of seeds with doses in the range of 2-50 Gy. It was shown that stimulation of plant growth occurred in the dose range of 16-20 Gy. The influences of the dose rate, the quality of seeds and their moisture on the manifestation of radiation effects were investigated. We studied, under controlled conditions, the activities of metabolic and antioxidant enzymes and observed an increase in their activity in the range of doses that cause stimulation of seedling growth. We showed that changes in the balance among different cl

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Lula, Mikolaj, Kjersti Holt Hanssen, Martin Goude, et al. "Regeneration." In Managing Forest Ecosystems. Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-70484-0_3.

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Abstract In the context of continuous cover forestry (CCF), natural regeneration is the preferred form of regeneration, but it is a long-lasting and complex process. Shelter density has a large effect on the regeneration process and results. The selection system, particularly suited for shade-tolerant species like Norway spruce, relies on continuous regeneration and ingrowth into larger size classes. Regeneration and ingrowth rates vary significantly among stands, influenced by site and historical factors, with no clear relationship to current stand conditions. In the group system, edge trees

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Kärkkäinen, Katri, Sonja T. Kujala, Rosario Garcia-Gil, et al. "Genetic Effects." In Managing Forest Ecosystems. Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-70484-0_7.

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Abstract Genetic effects of continuous cover forestry (CCF) are not well known. We need more research, especially on the genetics of spruce-dominated CCF sites. Levels of relatedness are of interest, as are estimates of safe limits for the intensity and duration of CCF practices that secure genetic potential for good growth and quality. With even-aged forestry, genetically improved regeneration material can be used to mitigate climate change-related risks through breeding and deployment recommendations. In CCF, currently based on natural regeneration, we assume that enough seedlings establish,

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Nakaji, Tatsuro, and Takeshi Izuta. "Effects of Ozone and/or Excess Soil Nitrogen on Growth, Needle Gas Exchange Rates and Rubisco Contents of Pinus densiflora Seedlings." In Acid rain 2000. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-007-0810-5_9.

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Izuta, Takeshi, Taeko Yamaoka, Tatsuro Nakaji, et al. "Growth, Net Photosynthetic Rate, Nutrient Status and Secondary Xylem Anatomical Characteristics of Fagus crenata Seedlings Grown in Brown Forest Soil Acidified with H2SO4 Solution." In Acid rain 2000. Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-007-0810-5_15.

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Santeramo, F. G., T. Balezentis, and M. Tappi. "Weather and Yield Index-Based Insurance Schemes in the EU Agriculture: A Focus on the Agri-CAT Fund." In Springer Actuarial. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-80574-5_3.

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Abstract Agriculture is the most vulnerable sector to climate change, e.g., temperatures or rainfall may significantly affect the crop yields, also leading the proliferation of pathogens and hence pests and diseases [1]. The total economic losses from weather- and climate-related have caused damages reaching nearly 487 billion of euros in EEA member countries since 1980, and just 3% of all events are responsible for 60% of economic losses [2]. Extreme weather events such as heavy precipitation, flood, drought, frost, heat, and strong wind are more and more frequent, intense, long-lasting, and

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M. Andrew, Samora, Siwa A. Kombo, and Shabani A.O. Chamshama. "Germination and Seedling Growth of Entandrophragma bussei Harms ex Engl. from Wild Populations." In Vegetation Index and Dynamics. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.97489.

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Entandrophragma bussei Harms ex Engl. (wooden banana) is an important indigenous multipurpose tree species endemic to Tanzania. The species has a long history of human use but recent increased utilization pressure, deforestation and high mortality rate of seedlings threaten the survival of natural populations in the wilderness. Therefore, to facilitate domestication, two experimental studies were conducted to evaluate variations in seed germination and seedling growth of three wild populations at the Directorate of Tree Seed Production Laboratories in Morogoro, Tanzania. Germination percentage

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Mondal, Sananda, and Bandana Bose. "Seed Priming: An Interlinking Technology between Seeds, Seed Germination and Seedling Establishment." In Plant Reproductive Ecology - Recent Advances. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.100804.

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Biologically seed is a small embryonic plant along with either endosperm or cotyledons, enclosed with in an outer protecting covering called seed coat. During the time of seed development large metabolic conversions take place, including proper partitioning of photo-assimilates and the formation of complex polymeric forms of carbohydrate, protein and fats for storing as seed reserves. In developing phase of seeds, every detail information stored in the embryonic plant are genetically and sometimes epigenetically also predetermined and influenced by various environmental/external factors alread

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Taiz, Lincoln, Ian Max Møller, Angus Murphy, and Eduardo Zeiger. "Seed Dormancy, Germination, and Seedling Establishment." In Plant Physiology and Development. Oxford University Press, 2023. http://dx.doi.org/10.1093/hesc/9780197614204.003.0021.

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This chapter describes the structure and composition of various types of seeds and the processes of seed germination and seedling establishment. It talks about the production of the first photosynthetic leaves and minimal root system. It also examines the period of seed maturation between embryogenesis and germination that culminates in quiescence, a non-germinating state characterized by a reduced metabolic rate, after which the seed is released from the parent plant. The chapter considers the processes involved in the ongoing growth of the plant, which include photomorphogenesis, the develop

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Actes de conférences sur le sujet "Seedling growth rate"

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Belsare, P. P., and S. K. Shah. "Evaluation of seedling growth rate using image processing." In 2013 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC). IEEE, 2013. http://dx.doi.org/10.1109/iccic.2013.6724248.

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Howarth, M. Scott, and Phillip C. Stanwood. "Measurement of seedling growth rate by machine vision." In Applications in Optical Science and Engineering, edited by James A. DeShazer and George E. Meyer. SPIE, 1993. http://dx.doi.org/10.1117/12.144027.

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DUMINS, Karlis, Toms STALS, and Dagnija LAZDINA. "FOREST REGENERATION QUALITY ASSESSMENT BY ASTA SYSTEM." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.178.

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In Latvia one third of the total forest area is regenerated by planting tree seedlings and therefore it is important to choose the appropriate soil preparation method and the right type of regeneration material for each forest type. Usually the success of afforestation is evaluated by how high is the average seedling survival rate and growth parameters like height, annual increment, diameter at breast height while the location of the seedling is disregarded. This may be of great importance since in such stands the environmental conditions typically are not entirely homogenous. Micro topography

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Jovovic, Mirjana, Verica Prodanovic, Aleksandra Govedarica-Lucic, and Zoranka Malesevic. "EFFECT OF APPLAYING OF HUMIC ACID ON SEEDLING GROWTH OF TOMATO." In XXVII savetovanje o biotehnologiji. University of Kragujevac, Faculty of Agronomy, 2022. http://dx.doi.org/10.46793/sbt27.039j.

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This study was undertaken to determine the effects of humic acid on the growth seedling of two tomato cultivars CeylandoF1 and RallyF1, under greenhouse conditions. Treatment with „Humistar“ was started in the two-leaf stage of the plant. One level of humic acid of 20 ml l-1 was applied to the seedling growing media and each seedling of the species was treated every ten days until transplanting directly into the soil in greenhouse.The higest growth rate: leaf (weight), stem (diameter and weight) and root (weight and lenght) growth were optained in cultivar RallyF1 as compared to the control an

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Kreis, Kevin F., and Sangjin Ryu. "Automated Mini-Channel Platform for Studying Plant Root Environments." In ASME 2021 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/fedsm2021-65493.

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Abstract Plants are crucial to our lives because they provide us with building materials, oxygen, and food. A season’s crop yield can be significantly affected by local environmental factors. In particular, improving fundamental understanding of plant root interactions with their local soil environment, or rhizosphere, will help improve crop yield. Studying such interactions is challenging because roots are underground, making it difficult to observe interactions and to manipulate the local soil environment. The goal of this study was to develop an automated mini-channel platform to investigat

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Abass Hussein, Haifaa. "Studying the effect of some natural materials on the germination and growth of chickpea plant (cricer arietinum L.)." In X INTERNATIONAL CONGRESS OF PURE AND APPLIED TECHNOLOGICAL SCIENCES. Rimar Academy, 2023. http://dx.doi.org/10.47832/minarcongress10-4.

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A laboratory experiment was carried out in one of the laboratories of the horticulture department, college of agriculture, Al-qadisiya university, during the spring season of the year 2023, with the aim using environmentally friendly natural materials instead of chemical fertilizers and studying their effect as fertilizer for chickpea plant (cricer arietinum L). Acomplete randomized design (CRD) was used with three replications and one factors, as the treatments included (T1 control distilled water, T2 banana peels fertilizer, T3 eggs shell fertilizer and T4 mixture of two fertilizers. Results

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Рыбаков, К. В., В. Г. Краснов, and М. И. Смышляева. "SURVIVAL ABILITY AND GROWTH OF EXPERIMENTAL ENGLISH OAK (QUERCUS ROBUR L.) COMPOSED OF SEEDLINGS WITH CLOSED ROOT SYSTEM GROWN IN DIFFERENT NUTRITIOUS SUBSTRATES." In Лесные экосистемы в условиях изменения климата: биологическая продуктивность и дистанционный мониторинг. Crossref, 2019. http://dx.doi.org/10.25686/2683.2019.5.58819.

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В статье представлен опыт создания опытных культур дуба черешчатого с использованием сеянцев с закрытой корневой системой (ЗКС), выращенных на различных питательных субстратах на территории питомника лесных и декоративных древесных растений Азяково Ботанического сада-института Поволжского государственного технологического университета. Цель исследования выявить оптимальный вид субстрата при выращивании сеянцев дуба черешчатого с закрытой корневой системой для последующего эффективного создания лесных культур, соответствующего по экономическим и качественным требованиям производимых сеянцев дан

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Abouelezz, Ahmed Helmy Hassan, and Talaat Ahmed. "The Efficacy of Two Household Cleaning and Disinfecting Agents on Lentil (Lens culinaris Medik) and Faba bean (Vicia faba) Seed Germination." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2021. http://dx.doi.org/10.29117/quarfe.2021.0023.

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A germination test of Vicia faba and Lens culinaris seeds under the effect of bleach and vinegar was conducted for seven days, and the observations were recorded daily. The completely randomized design (CRD) was used to examine the germination with three replicates at the lab conditions. Six germination parameters were measured, including germination percentage (GP), germination index (GI), mean germination time (MGT), mean germination rate (MGR), vigour index (VI), plus the fresh weight (FW) and dry weight (DW) of Vicia faba and Lens culinaris seeds. As a legume crop seeds model, the efficacy

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Temel, Fatih. "Assisted Migration of Pinus brutia in Türkiye: A Potential Tool for Sustaining Growth in the Face of Climate Change." In 3rd International Congress on Engineering and Life Science. Prensip Publishing, 2023. http://dx.doi.org/10.61326/icelis.2023.34.

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Forest tree populations deal with climate change either by increasing frequency of alleles contributing to adaptation to new conditions through natural selection or by migrating to places where they can establish and survive. In order for either mechanism to work, changes in allele frequencies or rate of migration should be able to keep up with the rate of climatic changes. For most forest tree populations, however, rate of climate change is faster than their genetic adaptation or migration rates. One potential solution to this problem is human assisted migration of forest tree species and inv

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Serdyuk О.А., О. А., V. S. Trubina V.S., and L. A. Gorlova L.A. "Comparative assessment of biometric parameters of seedlings of winter and spring forms of rapeseed and brown mustard." In Растениеводство и луговодство. Тимирязевская сельскохозяйственная академия, 2020. http://dx.doi.org/10.26897/978-5-9675-1762-4-2020-34.

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The aim of the study is to carry out a comparative assessment of biometric parameters and a preliminary analysis of the size and rate of initial growth of roots and stems of seedlings of the most common varieties of winter and spring forms of rape (Brassica napus L.) and brown mustard (Brassica juncea L.). The research was carried out at VNIIMK in 2019-2020. in the laboratory. The objects of the study were rape varieties Sarmat (winter) and Tavrion (spring), brown mustard Juna (winter) and Nika (spring). It was found that the length of the stem and root of seedlings of the spring form of rapes

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Rapports d'organisations sur le sujet "Seedling growth rate"

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Israel, Alvaro, and John Merrill. Production of Seed Stocks for Sustainable Tank Cultivation of the Red Edible Seaweed Porphyra. United States Department of Agriculture, 2006. http://dx.doi.org/10.32747/2006.7696527.bard.

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Porphyra species (commonly known as ‘nori’ or ‘purple laver’) are edible red seaweeds rich in proteins, vitamins and other highly valued biogenic compounds. For years Porphyra has been cultured using seeded nets extended in the open sea, and its biomass consumed primarily in the Far East. While demands for international markets have increased steadily at an average of 20% per year, supplies are on the verge and not expected to meet future demands. Alternatively, land-based cultivation of seaweed has become attractive in the mariculture industry since (1) important growth parameters can be cont

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Seginer, Ido, Daniel H. Willits, Michael Raviv, and Mary M. Peet. Transpirational Cooling of Greenhouse Crops. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7573072.bard.

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Background Transplanting vegetable seedlings to final spacing in the greenhouse is common practice. At the time of transplanting, the transpiring leaf area is a small fraction of the ground area and its cooling effect is rather limited. A preliminary modeling study suggested that if water supply from root to canopy is not limiting, a sparse crop could maintain about the same canopy temperature as a mature crop, at the expense of a considerably higher transpiration flux per leaf (and root) area. The objectives of this project were (1) to test the predictions of the model, (2) to select suitable

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Eshel, Amram, Jonathan P. Lynch, and Kathleen M. Brown. Physiological Regulation of Root System Architecture: The Role of Ethylene and Phosphorus. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7585195.bard.

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Specific Objectives and Related Results: 1) Determine the effect of phosphorus availability on ethylene production by roots. Test the hypothesis that phosphorus availability regulates ethylene production Clear differences were found between the two plants that were studied. In beans ethylene production is affected by P nutrition, tissue type, and stage of development. There are genotypic differences in the rate of ethylene production by various root types and in the differential in ethylene production when P treatments are compared. The acceleration in ethylene production with P deficiency inc

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Fromm, Hillel, Paul Michael Hasegawa, and Aaron Fait. Calcium-regulated Transcription Factors Mediating Carbon Metabolism in Response to Drought. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7699847.bard.

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Original objectives: The long-term goal of the proposed research is to elucidate the transcription factors, genes and metabolic networks involved in carbon metabolism and partitioning in response to water deficit. The proposed research focuses on the GTLcalcium/calmodulinbindingTFs and the gene and metabolic networks modulated by these TFs in Arabidopsis thaliana. The specific objectives are as follows. Objective-1 (USA): Physiological analyses of GTL1 loss- and gain-of-function plants under water sufficient and drought stress conditions Objective 2 (USA / Israel-TAU): Characterizion of GTL ta

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