Citations with the tag: GROWTH (Plants) -- Research

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  • Comparing vermicomposts and composts.
    Subler, Scott; Edwards, Clive; Metzger, James // BioCycle; Jul98, Vol. 39 Issue 7, p63 

    Compares beneficial aspects of earthworm castings and vermicomposts when used on household potted plants or in the gardens. Percentage of worm castings that produce improvement in plant growth; Differences in the optimum temperatures for each process and the types of microbial communities that...

  • Effects of pollen vector and plant geometry on floral sex ratio in monoecious plants.
    Bickel, Ann M.; Freeman, D. Carl // American Midland Naturalist; Oct93, Vol. 130 Issue 2, p239 

    Studies the effects of pollen vector and plant geometry on floral sex ratio in monoecious plants. Examination of size-related patterns of floral sex; Increase in plant size; Presentation of a heuristic model.

  • Bios-3: Siberian experiments in bioregenerative life support.
    Salisbury, Frank B.; Gitelson, Josef I. // BioScience; Oct97, Vol. 47 Issue 9, p575 

    Discusses attempts to purify air and grow food for space exploration in a sealed environment as of October 1997. What was demonstrated by the Bios-3 experiment in Krasnoyarsk, Siberia; Description of the Bios-3 experiment; The role of higher plants in Bios-3; The number of cataloged species...

  • Parâmetros genéticos para caracteres de crescimento em pequizeiro em estádio precoce.
    Oliveira Giordani, Samuel Cunha; Cunha Fernandes, José Sebastião; Titon, Miranda; Santana, Reynaldo Campos // Revista Ciência Agronômica; Jan2012, Vol. 43 Issue 1, p146 

    Genetic parameters estimated through statistical-genetic designs considering population and progeny effects are lacking for the pequi tree (Caryocar brasiliense Camb.). The aim of this study was to estimate genetic parameters and evaluate the efficiency of selection based on growth traits in the...

  • The physics of blooming: Watch it unfold.
    Trabesinger, Andreas // Nature Physics; May2011, Vol. 7 Issue 5, p372 

    The article focuses on the study of Haiyi Liang and L. Mahadevan on the physical process of blooming, wherein they observed that blooming, particularly in Lilium Casablanca, typically spans four and a half days in which pressure builds up inside the bud and three inner petals grow inside.

  • Research matters.. Hydrangea Endless Summer.
    Cockshull, Ken // Horticulture Week; 10/16/2009, p19 

    The article reports on the result of study which examines the production of the flower Hydrangea Endless Summer without receiving any chilling in Great Britain. The study reveals that the rooted cuttings of H. Endless Summer can be produced without chilling treatment before they can flower. It...

  • Statistical medium optimization for enhanced azadirachtin production in hairy root culture of Azadirachta indica.
    Srivastava, Smita; Srivastava, Ashok // In Vitro Cellular & Developmental Biology Plant; Feb2012, Vol. 48 Issue 1, p73 

    Azadirachtin, a well-known biopesticide, is a secondary metabolite extracted from the seeds of Azadirachta indica. In the present study, azadirachtin was produced in hairy roots of A. indica, generated by Agrobacterium rhizogenes-mediated transformation of leaf explants. Liquid cultures of A....

    da Silva, Rodrigo Ferreira; Saidelles, F�bio Luiz Fleig; da Silva, Alessandro Salles; Bolzan, Juan Silveira // Ci�ncia Florestal (01039954); 2011, Vol. 21 Issue 1, p111 

    Copper contamination has become common in areas of mining and grape culture in Rio Grande do Sul. The aim of this study was to evaluate the influence of the dose of copper on growth and seedling quality of acoita-cavalo and aroeira-vermelha. The experimental design was completely randomized in a...

  • Recycled Wastewater May Assist Plant Growth.
    da Silva, Rodrigo Ferreira; Saidelles, F�bio Luiz Fleig; da Silva, Alessandro Salles; Bolzan, Juan Silveira // Buildings; Mar2011, Vol. 105 Issue 3, p16 

    The article discusses a research study on recycled wastewater that could assist plant growth through the testing of salt tolerance of 10 common plant species including herbaceous perennials, floricultural crops and landscape woody shrubs.

    Pezzutti, Ra�l Vicente; Caldato, Silvana Lucia // Ci�ncia Florestal (01039954); 2011, Vol. 21 Issue 2, p355 

    The aim of this research was to evaluate the survival and growth of Pinus taeda seedlings produced in containers and bare root with different collar diameters. Two trials were established in a poor drained area located in the Corrientes province, Argentina. The experimental design was randomized...

  • Indirect Measurement of Leaf Area Index in Sagebrush-Steppe Rangelands.
    Finzel, Julie A.; Seyfried, Mark S.; Weltz, Mark A.; Kiniry, James R.; Johnson, Mari-Vaughn V.; Launchbaugh, Karen L. // Rangeland Ecology & Management; Mar2012, Vol. 65 Issue 2, p208 

    Leaf area index (LAI) is defined as the one-sided area of leaves above a unit area of ground. It is a fundamental ecosystem parameter that is a required input of process-based plant growth and biogeochemical models. Direct measurement of LAI is the most accurate method, but is destructive,...

  • Effects of Pre-harvest Plant Growth Regulator Sprays on Fruit Quality of 'Deveci' Pear (Pyrus communis L.).
    CANLI, Fatih Ali; PEKTAS, Mustafa; KELEN, Mustafa // Journal of Applied Biological Sciences; Jan2009, Vol. 3 Issue 1, p75 

    This study was conducted to evaluate effects of the pre-harvest benzyladenine (BA) (50 ppm, 100 ppm and 150 ppm) and BA + Gibberallic acid (GA 4+7) (12,5 ppm, 25 ppm and 50 ppm of each) applications on fruit quality in 'Deveci' pear (Pyrus communis L.). The pear trees were sprayed with BA or BA...

  • Potencial productivo de tres especies de Brachiaria en monocultivo y asociadas con Arachis pintoi en Isla, Veracruz.
    Jiménez, Francisco Enrique Cab; Quiroz, Javier Francisco Enríquez; Pérez, Jorge Pérez; Garay, Alfonso Hernández; Haro, José Guadalupe Herrera; Jimenez, Eusebio Ortega; Carrillo, Adrián Raymundo Quero // Técnica Pecuaria en México; jul-sep2008, Vol. 46 Issue 3, p317 

    No abstract available.

  • Forage production in three Brachiaria species as a single crop or in association with Arachis pintoi in Isla, Veracruz.
    Jiménez, Francisco Enrique Cab; Quiroz, Javier Francisco Enríquez; Pérez, Jorge Pérez; Garay, Alfonso Hernández; Haro, José Guadalupe Herrera; Jimenez, Eusebio Ortega; Carrillo, Adrián Raymundo Quero // Técnica Pecuaria en México; jul-sep2008, Vol. 46 Issue 3, p317 

    Forage production was determined for the gramineae Brachiaria dictyoneura, B. brizantha (cv. Toledo) and B. ruziziensis x B. brizantha (cv. Mulato) as monocrops as well as in association with the legume Arachis pintoi. Experimental design was completely random blocks with four replications....

  • Multiple roles for membrane-associated protein trafficking and signaling in gravitropism.
    Strohm, Allison K.; Baldwin, Katherine L.; Masson, Patrick H. // Frontiers in Plant Science; Nov2012, Vol. 3, preceding p1 

    Gravitropism is a process that allows plant organs to guide their growth relative to the gravity vector. It requires them to sense changes in their orientation and generate a biochemical signal that they transmit to the tissues that drive organ curvature. Trafficking between the plasma membrane...

  • Factors Affecting Activity of PGR Media Applications.
    Barrett, Jim; Boldt, Jessica; Bartuska, Carolyn // GPN: Greenhouse Product News; Jul2009, Vol. 19 Issue 7, p38 

    The article presents information on the research related to media applications of plant growth regulators (PGRs). It is stated that paclobutrazol, uniconazole, ancymidol and flurprimidol are chemicals with important activity in media-active PGRs. The authors also mention that the binding of...

  • Rapid In Vitro Multiple Shoot Induction and Plant Regeneration of Gerbera jamesonii L. from Shoot Tip Explants.
    Krishna, R. Balamurali; Reddy, Sujitha R. // IUP Journal of Biotechnology; Dec2009, Vol. 3 Issue 4, p45 

    A high frequency multiple shoot induction and plant regeneration protocol was developed for Gerbera jamesonii from shoot tip explants. The maximum number of adventitious shoots (10-12) per shoot tip explants was initiated after 2-3 subcultures on MS medium supplemented with kinetin (2.3 mg/L)....

  • Post-translational control of tetrapyrrole biosynthesis in plants, algae, and cyanobacteria.
    Czarnecki, Olaf; Grimm, Bernhard // Journal of Experimental Botany; Apr2012, Vol. 63 Issue 4, p1675 

    The tetrapyrrole biosynthetic pathway provides the vital cofactors and pigments for photoautotrophic growth (chlorophyll), several essential redox reactions in electron transport chains (haem), N- and S-assimilation (sirohaem), and photomorphogenic processes (phytochromobilin). While the...

  • Science into practice sweet peppers: reducing stress with shading.
    Czarnecki, Olaf; Grimm, Bernhard // Horticulture Week; 9/4/2009, p27 

    The article investigates whether thermal screens develop plant growth and quality of fruit in Great Britain in 2009. The study shows that thermal screen lessens the life of commercial sweet pepper and has been computed that shading required to increase yield by 0.23kilogram/square metre to break...

  • Effect of Inorganic and Organic Based Fertilizers on Growth Performance of Tea and Cost Implications in Kusuku, Nigeria.
    Ipinmoroti, Rotimi Rufus; Iremiren, Gerald Oaikhena; Olubamiwa, Olayiwola; Fademi, Akanbi Olutayo; Aigbekaen, Emmanuel Ogieriakhi // Journal of Life Sciences; Jul2011, Vol. 5 Issue 7, p536 

    A plot of 24 m × 10 m under fallow management after several years of cultivation to maize (Zea mays) was planted to tea (Camellia sinensis) cuttings at 1.0 m × 0.6 m and treated with or without fertilizer. The tea cuttings were applied NPK 25:5:5 (reference fertilizer), cocoa husk,...

  • Screening of plant growth-promoting traits in arsenic-resistant bacteria isolated from the rhizosphere of soybean plants from Argentinean agricultural soil.
    Wevar Oller, Ana; Talano, Melina; Agostini, Elizabeth // Plant & Soil; Aug2013, Vol. 369 Issue 1/2, p93 

    Aims: The purpose of this study was to investigate plant-growth promoting traits in native and arsenic (As) highly-resistant bacterial strains isolated from the rhizosphere of soybean ( Glycine max) plants grown in an Argentinean agricultural field. Methods: Determination of MICs (Minimum...

  • Intra-annual oxygen isotope variations in central Indian teak cellulose: possibility of improved resolution for past monsoon reconstruction.
    Managave, S. R.; Sheshshayee, M. S.; Borgaonkar, H. P.; Ramesh, R. // Current Science (00113891); 4/10/2010, Vol. 98 Issue 7, p930 

    A clear seasonal cycle has been detected in the intraannual oxygen isotope variations (δ18O) of cellulose from several annual growth rings of teak trees that grew in central India. This persistent cycle is marked by higher δ18O values at the ring boundaries and lower δ18O values at...

  • Pre-growth mortality of Abies cilicica trees and mortality models performance.
    Carus, Serdar // Journal of Environmental Biology; May2010, Vol. 31 Issue 3, p363 

    In this study, we compared tree-growth rates (basal area increment) from recently dead and living Taurus fir (Abies cilicica Carr.) trees in the Kovada lake Forest of Isparta, Turkey. For each dead tree, tree-growth rates were analyzed for the presence of pre-death growth depressions in the...

  • Persistence of the Slow Growing Conifer Pilgerodendron uviferum in Old-Growth and Fire-Disturbed Southern Bog Forests.
    Bannister, Jan; Donoso, Pablo; Bauhus, Jürgen // Ecosystems; Nov2012, Vol. 15 Issue 7, p1158 

    In spite of the extensive area of bogs in the southern cone of South America, there have been very few studies on structure and dynamics of conifer bog forests in this region. Previously, it has been assumed that in the absence of intensive disturbance, the dominant conifer Pilgerodendron...

    Bannister, Jan; Donoso, Pablo; Bauhus, Jürgen // Corn & Soybean Digest; Aug2012, Vol. 72 Issue 6, pEB18 

    The article discusses a portion of the Kitchen Sink study which compared the effects of different seeding rates throughout the six state study area and across the broad spectrum of varieties and maturities planted. All the seeding rates on two varieties were tested by researchers in each...

  • Juvenile-mature genetic correlations in Pinus radiata D. Don. under different nutrient × water regimes in Spain.
    Codesido, V.; Zas, R.; Fernández-López, J. // European Journal of Forest Research; Mar2012, Vol. 131 Issue 2, p297 

    Individual and family heritabilities and juvenile-mature genetic correlations were estimated for growth and biomass traits recorded in treatment with optimal and limiting water and/or nutrient availability to study how the different growth environments affected genetic parameter estimates....

  • Growth Analysis of Dry Bean (Phaseolus vulgaris L.) in Different Weed Interference Situations.
    GHAMARI, Hossein; AHMADVAND, Goudarz // Notulae Scientia Biologicae; 2013, Vol. 5 Issue 3, p394 

    In production agriculture, weed plants play an important role in yield reduction. Analysis of crop growth can reveal underlying processes of yield loss under weed interference conditions. Therefore, an experiment was conducted in 2011 in order to assess the effect of weed competition on...

  • On the 100th anniversary of Professor Jonas Dagys.
    Merkys, Alfonsas // Biologija; 2007, Issue 2, p1 

    No abstract available.

  • Plant growth in Arabidopsis is assisted by compost soil-derived microbial communities.
    Carvalhais, Lilia C.; Muzzi, Frederico; Tan, Chin-Hong; Hsien-Choo, Jin; Schenk, Peer M. // Frontiers in Plant Science; Jul2013, Vol. 4, p1 

    Plants in natural and agricultural environments are continuously exposed to a plethora of diverse microorganisms resulting in microbial colonization of roots and the rhizosphere. This process is believed to be accompanied by an intricate network of ongoing simultaneous interactions. In this...

  • Comparison of image analysis and direct measurement of UPOV taxonomic characteristics for variety discrimination as determined over five growing seasons, using industrial chicory as a model crop.
    Lootens, P.; Chaves, B.; Baert, J.; Pannecoucque, J.; Waes, J.; Roldán-Ruiz, I. // Euphytica; Feb2013, Vol. 189 Issue 3, p329 

    Tests for distinctness, uniformity and stability (DUS) are an essential component of variety registration and granting plant breeders' rights. This study, performed on industrial chicory ( Cichorium intybus L.), included (1) an evaluation of the discriminating power of the UPOV characteristics...

  • Genetics of early growth vigour in lentil ( Lens culinaris Medik.).
    KUMAR, JITENDRA; SRIVASTVA, EKATA; SINGH, MRATUNJAY // Journal of Genetics; Aug2013, Vol. 92 Issue 2, p323 

    The article presents a study related to the determination of inheritance of early growth vigour in lentil. It states that analysis of early growth vigour as a qualitative trait revealed the dominance of slow early growth vigour on rapid early growth. As per the study, quantitative trait loci...

    Sarwar, Ghulam; Abbas, Ghulam; Asghar, M. J. // Journal of Agricultural Research; Sep2010, Vol. 48 Issue 3, p279 

    Forty two selected true breeding lines of F5 generation of different cross combinations were planted at Nuclear Institute for Agriculture and Biology, Faisalabad, Pakistan. during 2008-09. Data pertaining to different morphological traits were recorded and genetic parameters, correlation...

  • Monitoring of biophysical parameters of cashew plants in Cambodia using ALOS/PALSAR data.
    Avtar, Ram; Takeuchi, Wataru; Sawada, Haruo // Environmental Monitoring & Assessment; Feb2013, Vol. 185 Issue 2, p2023 

    An accurate estimation of a plant's age is required for the prediction of yield and management practices. This study demonstrates the relationship between backscattering properties ( σ°) of Phased Array type L-band Synthetic Aperture Radar (PALSAR) dual polarimetric data with cashew...

  • Response of Six Begonia Species to Fertilizer Concentration and Substrate pH.
    Ka Yeon Jeong; Pasian, Claudio C.; McMahon, Margaret; Tay, David // Open Horticulture Journal; 2010, Vol. 3, p36 

    Begonia albopicta, B. cucullata var. cucullata, B. echinosepala var. elongatifolia, B. holtonis, B. foliosa var. miniata and B. 'Fuchsifoliosa' are conserved at the Ornamental Plant Germplasm Center (OPGC), in Columbus Ohio as a source of germplasm for breeders and researchers. No cultural...

  • Endophytic and rhizospheric enterobacteria isolated from sugar cane have different potentials for producing plant growth-promoting substances.
    Santi Ferrara, Felipe; Oliveira, Zilda; Gonzales, Hebert; Floh, Eny; Barbosa, Heloiza // Plant & Soil; Apr2012, Vol. 353 Issue 1/2, p409 

    Background and aims: Endophytic and rhizospheric environments differ in many respects, leading to the presence of different bacterial communities at each site. However, microorganisms such as enterobacteria can be found both within plants and in the surrounding soil. Bacteria must present...

  • Effects of removal of young leaves and kinetin on inflorescence development and bract enlargement of Bougainvillea glabra var. "Elizabeth Angus".
    Moneruzzaman, K. M.; Hossain, A. B. M. S.; Normaniza, O.; Saifuddin, M.; Sani, W.; Nasrulhaq-Boyce, A. // Australian Journal of Crop Science; 2010, Vol. 4 Issue 7, p467 

    A study was carried out to investigate the effects of the removal of young leaves and different concentrations of kinetin on inflorescence and bract quality development in Bougainvillea glabra var. "Elizabeth Angus". Selected horticultural parameters were monitored at three day intervals during...

  • Detection of black-foot and Petri disease pathogens in soils of grapevine nurseries and vineyards using bait plants.
    Agustí-Brisach, Carlos; Gramaje, David; García-Jiménez, José; Armengol, Josep // Plant & Soil; Mar2013, Vol. 364 Issue 1/2, p5 

    Background and aims: Little information is currently available regarding the number of species of black-foot and Petri disease pathogens present in soil and their capacity to infect grapevine roots and reach the xylem vessels. Methods: Seedlings of grapevine rootstock 41-B, and cvs. Bobal and...

    Indriyani, Ni Luh Putu; Hadiati, Sri; Soemargono, A. // Journal of Agricultural & Biological Science; Feb2011, Vol. 6 Issue 2, p43 

    The aim of this research was to ascertain the influence of media on pineapple seedling growth. The research was conducted at the Aripan Experimental Field of Indonesian Tropical Fruit Research Institute from November 2006 until August 2007. This research was arranged in a Randomized Complete...

  • Growth and Foliar Yield Responses of Waterleaf (Talinum triangulare Jacq) to Complementary Application of Organic and Inorganic Fertilizers in a Ultisol.
    Ndaeyo, N. U.; Ikeh, A. O.; Nkeme, K. K.; Akpan, E. A.; Udoh, E. I. // American Journal of Experimental Agriculture; Apr-Jun2013, Vol. 3 Issue 2, p324 

    Aims: Growth and foliar yield responses of waterleaf (Talinum triangulare Jacq) to complementary application of organic and inorganic fertilizers were studied in a Ultisol. Study Design: The experiment was laid out in a randomized complete block design with three replicates. Place and Duration...

  • The Effect of Light and Water Supply on Growth, Net CO2 Assimilation Rate and Mineral Content of Salak (Salacca zalacca (Gaertn.) Voss) Seedlings.
    Lestari, Reni; Ebert, Georg; Huyskens-Keil, Susanne // International Journal of Biology; Jul2011, Vol. 3 Issue 3, p94 

    The study was carried out in a greenhouse of at the Institute for Horticultural Sciences of the Humboldt Universität zu Berlin. Seven-months-old seedlings of salak cultivars “pondoh” from Indonesia were used for the study. At this age, plants are usually transferred from the...

  • Climbing capacity of the invasive vine Mikania micrantha Kunth on vertical artificial poles.
    Hu, Liang; Li, Mingguang // Biological Invasions; Feb2014, Vol. 16 Issue 2, p295 

    Climbing capacity of invasive climbers is an important parameter to evaluate in the species invasive potential and processes in forests. However, this feature has not attracted the attention of invasion biologists. In the present study, we assessed the climbing traits and capacity of Mikania...

  • Both the mevalonate and the non-mevalonate pathways are involved in ginsenoside biosynthesis.
    Zhao, Shoujing; Wang, Le; Liu, Li; Liang, Yanlong; Sun, Yao; Wu, Jianjun // Plant Cell Reports;  

    Key Message: When one of them was inhibited, the two pathways could compensate with each other to guarantee normal growth. Moreover, the sterol biosynthesis inhibitor miconazole could enhance ginsenoside level. Abstract: Ginsenosides, a kind of triterpenoid saponins derived from isopentenyl...

  • Influence of Experience on Browsing Sagebrush by Cattle and Its Impacts on Plant Community Structure.
    Petersen, Charles A.; Villalba, Juan J.; Provenza, Frederick D. // Rangeland Ecology & Management; Jan2014, Vol. 67 Issue 1, p78 

    Mechanical and chemical methods used historically to rejuvenate sagebrush-steppe landscapes are cost prohibitive. A low-cost alternative is to fashion systems of management in which locally adapted animals use sagebrush as fall and winter forage to reduce feeding costs and to enhance the growth...

  • Effect of Plant Growth Regulator and Foliar Fertilizer on Preventing Premature Aging of Foxtail Millet Hybrid.
    XIA Xue-yan; CHENG Ru-hong; CHEN Yuan; SHI Zhi-gang; ZHANG Ting; LIU En-kui; XIANG Jin-ying; PANG Su-fen // Journal of Agricultural Science & Technology (1008-0864); 2014, Vol. 16 Issue 1, p104 

    To solve the problem of premature aging of hybrid millet blades in filling stage, this paper started with plant growth regulator and foliar fertilizer, took self-bred hybrid 66359 as test material, and studied the influence of preventing premature aging of different plant growth regulators and...

  • Uh, Houston: this spud's for you.
    Spotts, Peter N. // Christian Science Monitor; 9/28/95, Vol. 87 Issue 213, p3 

    Contemplates on experiments to be conducted by National Aeronautics and Space Administration scientists for culture of potatoes and other groceries amidst microgravity conditions in space, en board space shuttle Columbia. Reasons for the need of such experiments; Chapters of the proposed tests;...


    To determine the structure and floristic composition of the oak forest of the Sierra de Zapalinam�, we established sixty six plots of 500 m�. Density and basal area were measured for adult trees and density and cover in shrubs. Saplings were considered in concentric areas of 50 m�...

  • Controlling Height with Temperature Drops.
    Runkle, Erik // GPN: Greenhouse Product News; Apr2009, Vol. 19 Issue 4, p50 

    The article discusses the findings of the researchers at Michigan State University that, in many plants, stem extension is influenced by the way temperature is delivered in each one day period. A cooler day than night is commonly referred to as a negative DIF or difference. The opposite is true...

  • Bright Ideas in the works.
    Runkle, Erik; Warner, Ryan // GPN: Greenhouse Product News; Feb2010, Vol. 20 Issue 2, p26 

    The article presents information on a floriculture research on lighting and plant growth regulators to improve crop quality of containerized greenhouse crops. The research, which was conducted at the Michigan State University in East Lansing, Michigan, helped determine the effects of daily light...

  • The Greening of Earth's Arid and Semi-Arid Lands.
    Runkle, Erik; Warner, Ryan // CO2 Science; 5/25/2011, Vol. 14 Issue 21, p7 

    The article discusses studies which investigated the transformation of the Earth's arid and semi-arid lands. Two studies, conducted by S. B. Idso, demonstrated the influence of increased carbon dioxide (CO2) on plant growth and water use efficiency. Meanwhile, Yang and colleagues conducted a...

  • CO enrichment increases element concentrations in grass mixtures by changing species abundances.
    Polley, H.; Fay, Philip; Jin, Virginia; Combs, Gerald // Plant Ecology; Jun2011, Vol. 212 Issue 6, p945 

    mospheric carbon dioxide (CO) enrichment may increase plant growth more than the uptake of chemical elements from soil. Increased CO also may alter element levels in biomass from multi-species vegetation by changing plant species abundances. We measured concentrations of ten elements in...

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