The aurora borealis -- The hay-mow -- The taproot -- The bird in the church -- The fearful funeral -- The brillant star -- The one talent sanctified -- The danger of delay -- The dying regret of ...
0000 - Gale Group | Sabin
Jeffrey E. Habben, Jeffrey J. Volenec,
... pattern of starch degradation followed by reaccumulation in taproots. Characterization of changes in anatomical distribution of starch grains in taproots will aid our understanding of biochemical and physiological mechanisms involved in starch metabolism in taproots of this species. Our objectives were to determine ... on starch grain distribution and size variation in taproots of two alfalfa lines selected for contrasting concentrations of taproot starch. In addition, we used electron microscopy to ...
Tópico(s): Botanical Research and Applications
1990 - Oxford University Press | PLANT PHYSIOLOGY
Ernest Newman, H. E. Cooper, H. M. Abrahams, A. T. Johnson, Angus Davidson, Henry Longhurst, Hubert Winterbotham, Laurence Faraday, Roland H. Tudor (Lecturer), I. G. W., M. Laval, A. R. Powys (Secretary), L. R., G. W. B., G. N. Ortsel, Yarborough, E. G. Winstanley, A. A. Part, Dr. C. A. Alingtom, Ralph Straus, Mr. Llyod George, "Scrutator", George Easton Colonel, J. B. Firth, J. M. Bulloch, (Mrne.) Jane Meyerheim (Officer), E. V. Lucas, James Agate, Frank Rutter, E. L., Denis B. Brown, W. Kent, Muriel Beckwith, Ernest Beels, Sydney W. Carroll, Hultonian, B. H. Musslewhite, Dilys Ward, J. J. Raftery, Thames, D. R. Gent, Chas. W. Morrison, R. Jack Stone, Hilda Cooke, Richard Cromwell, Dr. C. A. Alington, E. H. Blakeney, "Atticus", "Mankato", B. M., "Fairway", Lord Chamberlain, Ernest A. Ebblewhite, Edward A. Bunyard, Desmond MacCARTHY, C. P. Hawkes Lieut-Colonel, C. H. P. Lamond, Edward Shanks, George W. Bishop, W. MAcLEAN Homan, R. A. C. Wellesley, Gilbert Thomas, Andre L. Simon, H. F., Rowland H. Hill, G. L. Rogers, Pandora, L. Minchella (Secretary, Anglo-italian Club), Richard Gillbard, Leonard C. Wood President, Lord Carson, R. J. Barrett Financial Editor, Peter Bousfield, D. Montgomerie, W. H. Parr,
... Supported by History Exchange Telegraph Co.: Victory for Taproot Official Scratchings Multiple Classified Advertising Items Multiple Display ...
1935 - Gale Group | Sunday Times HA GDA
Jeffrey J. Volenec, Patricia J. Boyce, Kerry L. Hendershot,
... in starch degradation in alfalfa (Medicago sativa L.) taproots during winter hardening and subsequent spring regrowth. Taproots from field-grown plants were sampled at intervals ... fall, winter, and early spring. In experiment 1, taproots were separated into bark and wood tissues. Concentrations ... but followed trends in soluble protein concentration of taproots. This was especially evident in spring when both ... low starch line had higher specific activity of taproot amylases. This line depleted its taproot starch by ...
Tópico(s): Plant Micronutrient Interactions and Effects
1991 - Oxford University Press | PLANT PHYSIOLOGY
Jeffrey E. Habben, Jeffrey J. Volenec,
... objective was to determine whether starch degradation in taproots of alfalfa (Medicago sativa L.) after defoliation was ... and isoform complement of endo- and exo-amylases. Taproots of genetically comparable diploid (2x) and tetraploid (4x) ... defoliation and at approx. 4-d intervals thereafter. Taproot tissues were analysed for starch concentrations and activities ... amylase isoforms. Starch degradation was most rapid in taproots of Hi-Phy, slowest in taproots of the 2x population, with the 4x population ... of endo- and exo-amylase were observed in taproots of all populations. Taproots of Hi-Phy contained ...
Tópico(s): Phytase and its Applications
1991 - Oxford University Press | Annals of Botany
The growth and branching of the taproot of young oak trees were studied on seedlings grown in root observation boxes over a period of 30–45 d. The development ... were made on another set of 18 plants. Taproot growth was typically indeterminate and linear, with growth ... growth of shoots and roots were not synchronized. Taproots branched in two ways: acropetal branches emerged from 4–8-d-old taproot tissues, and late branches emerged from older tissues ( ... in our experiment). The latter appeared especially when taproot growth slowed down or stopped. New primordia were ...
Tópico(s): Plant nutrient uptake and metabolism
1994 - Oxford University Press | Journal of Experimental Botany
Suzanne M. Cunningham, Jeffrey J. Volenec,
... sativa L.) accumulates C and N reserves in taproots and utilizes these reserves for shoot growth in ... after defoliation. Three proteins are very abundant in taproots and undergo a cyclic pattern of utilization during ... characterize these putative vegetative storage proteins from alfalfa taproots. The proteins were purified using organic-solvent and ... proteins are present in high concentrations in alfalfa taproots, but were not found in seeds, nodules, leaves, or stems of alfalfa. Taproots of all perennial Medicago species examined contained these ...
Tópico(s): Plant Taxonomy and Phylogenetics
1996 - Elsevier BV | Journal of Plant Physiology
Rugang Yu, Jing Wang, Liang Xu, Yan Wang, Ronghua Wang, Xianwen Zhu, Xiaochuan Sun, Xiaobo Luo, Yang Xie, Muleke M. Everlyne, Liwang Liu,
... one of the most important vegetable crops worldwide. Taproot thickening represents a critical developmental period that determines ... isolate differentially expressed genes (DGEs) involved in radish taproot thickening process and explored the molecular mechanism in underlying taproot development, three cDNA libraries from radish taproot collected at pre-cortex splitting stage (L1), cortex ... signal transduction and metabolisms, which may relate to taproot thickening. Furthermore, the integrated analysis of mRNA-miRNA ...
Tópico(s): Plant Gene Expression Analysis
2016 - Frontiers Media | Frontiers in Plant Science
Timothy B. Harrington, Jason A. Gatch, Terry S. Price,
... pest injury of trees with bent versus straight taproots. Based on a 0- to 8-point index, ... 62 and 82 trees had bent and straight taproots, respectively. Levels of stem sinuosity were medium or high for 77% of trees with bent taproots, while they were low for 71% of trees with straight taproots (chi-square P = 0.001). Trees with bent taproots were 7% to 9% smaller in stem diameter ... was over twice that of trees with straight taproots (P = 0.01). Taproot azimuth did not differ significantly (P > 0.20) from planting row azimuth, indicating that bent taproots from machine planting remained confined to the planting ...
Tópico(s): Forest Biomass Utilization and Management
1999 - Oxford University Press | Southern Journal of Applied Forestry
Xuejiao Li, Jianli Yang, Bing Hao, Yingchun Lu, Zhi-Long Qian, Ying Li, Shuang Ye, Junrong Tang, Mo Chen, Guangqiang Long, Yan Zhao, Guanghui Zhang, Jun‐Wen Chen, Wei Fan, Shengchao Yang,
Abstract Background Taproot thickening is a complex biological process that is dependent on the coordinated expression of genes controlled by both ... medicinal herb that is characterized by an enlarged taproot as the main organ of saponin accumulation. However, the molecular mechanisms of taproot enlargement are poorly understood. Results A total of ... were identified during the thickening process in the taproots of P. notoginseng. Gene Ontology and Kyoto Encyclopedia ... glucose, fructose, malate, and arginine) that potentially control taproot thickening. Several aspects including hormone crosstalk, transcriptional regulation, ...
Tópico(s): Ginseng Biological Effects and Applications
2019 - BioMed Central | BMC Plant Biology
W. K. Berg, Sylvie M. Brouder, Suzanne M. Cunningham, Jeffrey J. Volenec,
... sativa L.) performance, but how these nutrients alter taproot physiology during fall acclimation and subsequent growth in ... objectives were to: (1) determine seasonal patterns for taproot P and K concentrations during fall acclimation and ... how P and K nutrition impacts accumulation of taproot C and N reserves during fall and their ... 400 kg ha-1) treatments were applied and taproots were sampled between September and December, and again ... March to May over 2 years. Concentrations of taproot sugar, starch, buffer-soluble protein, amino-N, and ...
Tópico(s): Growth and nutrition in plants
2021 - Frontiers Media | Frontiers in Plant Science
Federico Gómez Galindo, Luisa Elias, Vassilis Gekas, Werner B. Herppich, Maggie Smallwood, Marianne Sommarin, Dawn Worrall, Ingegerd Sjöholm,
... influence on the storage performance of the harvested taproots. The induction of cold acclimation was followed in ... growth chamber under strict climate control and in taproots harvested from two separate field cultivations where the ... as a marker for cold acclimation in carrot taproot tissue. Expression of this gene was induced by cold in discs excised from harvested taproots and this induction was clearly affected by the growth temperature of the plants from which the taproots were taken. These in vitro data were consistent ...
Tópico(s): Agronomic Practices and Intercropping Systems
2004 - Elsevier BV | Food Research International
Wayne S. Meyer, J. T. Ritchie,
... pots were watered, so that plants developed long taproots and depended on water in the base pots. Except for the strong development of the taproot with in the tube, little other root growth occurred there because of soil drying. The taproots of pot‐grown plants were not well defined ... in the base pot of plants with long taproots was 5.2 ± 0.7 cm cm −3 ... and exposed leaf water potential. Within the long taproots many secondary xylem vessels had been laid down. ... 0.0097 cm −3 day bar) for long taproot were less than for the taproot of pot‐ ...
Tópico(s): Plant nutrient uptake and metabolism
1980 - Wiley | Agronomy Journal
John E. Silvius, F. W. Snyder,
... enzymic studies of sugar beet (Beta vulgaris L.) taproots and fibrous roots revealed differences in invertase (EC ... solubility. Acid invertase (pH 4.5) in the taproot was restricted to the peripheral meristematic tissue which produces cells for both taproot and fibrous root growth. This finding supports the ... that the enzyme regulates sucrose partitioning between the taproot and fibrous roots. A distinct alkaline invertase (pH ... was detected in sucrose storage tissues of the taproot.The V(max) of taproot sucrose synthetase (sucrose ...
Tópico(s): Potato Plant Research
1979 - Oxford University Press | PLANT PHYSIOLOGY
T. C. Kaspar, H. M. Taylor, R. M. Shibles,
... increasing water uptake from deep soil strata. Because taproots are initially the deepest segment of soybean root systems, soybean genotypes with rapidly elongating taproots may have deeper root systems than genotypes with slowly elongating taproots. Taproot‐elongation rates of 105 soybean cultivars from Maturity ... tubes filled with vermiculite and then inclined 15°. Taproot‐elongation rates within a maturity group differed among ... a seedlot and seed source also influenced the taproot‐elongation rate of a cultivar. Selected Maturity Group ...
Tópico(s): Soybean genetics and cultivation
1984 - Wiley | Crop Science
Kerry L. Hendershot, Jeffrey J. Volenec,
Alfalfa (Medicago sativa L.) taproots accumulate organic reserves that are important for winter survival and subsequent growth in spring. Our objective was to determine if specific nitrogen (N) pools accumulate in taproot tissues prior to winter that may subsequently be used during initiation of herbage growth in spring. Taproots were obtained at approximately monthly intervals during fall and winter, and biweekly in early spring. Taproots were separated at the cambium into bark and ... nonwinterhardy alfalfa line accumulated less soluble protein in taproot tissue when compared to a hardy genotype. Specific ...
Tópico(s): Seedling growth and survival studies
1993 - Elsevier BV | Journal of Plant Physiology
Thilo Winzer, Gertrud Lohaus, Hans‐Walter Heldt,
... accumulation of sucrose and amino acids in the taproots of sugar beet, their contents were measured in the leaves, phloem sap and the taproots of sugar beet, fodder beet and a hybrid ... 0 or 0.5 mM nitrate. In the taproots the contents of malate, citrate and inorganic ions ... by the accumulation of inorganic ions in the taproots. The sucrose content in the taproots is negatively correlated to the total ion content. ... represents two-third of all solutes in the taproots of sugar beet, it amounts to only one- ...
Tópico(s): Phosphorus and nutrient management
1996 - Oxford University Press | Journal of Experimental Botany
Hongbin Wei, Anja Bausewein, Heike Steininger, Tao Su, Hongbo Zhao, Karsten Harms, Steffen Greiner, Thomas Rausch,
In chicory taproot, the inulin-type fructans serve as carbohydrate reserve. Inulin metabolism is mediated by fructan active enzymes (FAZYs): sucrose: ... 1-FEH1/2a/2b; fructan degradation). In developing taproot, fructan synthesis is affected by source-to-sink ... synthase was determined in leaf blade, petiole and taproot of young chicory plants (taproot diameter: 2 cm) and compared with taproot fructan profiles for the following scenarios: (i) N- ... starvation and ABA treatment induced an increase in taproot oligofructans. However, while under N-starvation this increase ...
Tópico(s): Potato Plant Research
2016 - Frontiers Media | Frontiers in Plant Science
W. K. Berg, Sofía Lissbrant, Suzanne M. Cunningham, Sylvie M. Brouder, Jeffrey J. Volenec,
... the improved agronomic performance is associated with greater taproot N and C reserves. Our objective was to ... K fertilization, and determine if changes in specific taproot C and/or N reserves were associated with alfalfa plant death. Taproots were dug and plants counted in May and December of each year and taproots analyzed for P, K, starch, sugar, amino-N, ... sample t-tests. Low K in herbage and taproots was associated with low yield and poor persistence of the Low and Very Low clusters and taproots of these plants generally had low starch, protein, ...
Tópico(s): Plant nutrient uptake and metabolism
2018 - Elsevier BV | Plant Science
Tong Li, Yuan‐Jie Deng, Jie‐Xia Liu, Ao‐Qi Duan, Hui Liu, Ai‐Sheng Xiong,
... in the formation of various colors in carrot taproots. Carotenoid cleavage dioxygenases (CCDs), including CCD and 9‐ ... level of DcCCD4 was significantly higher in the taproot of white carrot (low carotenoid content) than orange ... overexpression of DcCCD4 in orange carrots caused the taproot color to be pale yellow, and the contents ... loss of DcCCD4 function exhibited yellow color (the taproot of the control carrot was white). The accumulation of β‐carotene was also detected in taproot. Functional analysis of the DcCCD4 enzyme in vitro ...
Tópico(s): Algal biology and biofuel production
2021 - Wiley | The Plant Journal
Tong Li, Jie-Xia Liu, Yuan‐Jie Deng, Ao‐Qi Duan, Hui Liu, Feiyun Zhuang, Ai‐Sheng Xiong,
... much higher than that of DcBCH2 in carrot taproots with different carotene accumulation levels. Overexpression of DcBCH1 in ‘KRD’ (high carotene accumulated) carrot changed the taproot color from orange to yellow, accompanied by substantial ... β-carotene. There was no obvious change in taproot color between transgenic ‘KRD’ carrot overexpressing DcBCH2 and ... Simultaneously, the content of α-carotene in the taproot of DcBCH2-overexpressing carrot decreased, but the content ... knock out DcBCH1 in ‘KRD’ carrot lightened the taproot color from orange to pink-orange; the content ...
Tópico(s): Plant biochemistry and biosynthesis
2022 - Nature Portfolio | Horticulture Research
Geoffrey E. Burrows, Razia S. Shaik,
... Citrullus colocynthis is a perennial with a tuberous taproot, whereas Citrullus lanatus is an annual with a slender taproot. We studied the morphology and anatomy of taproot development to better understand their structural and ecological ... annual Citrullus lanatus reached close to its maximum taproot diameter (~3 mm) soon after germination. The vascular ... areas of secondary ray parenchyma. In contrast, the taproot diameter of the perennial Citrullus colocynthis continued to ... their annual and perennial lifecycles. Interestingly, the slender taproots of Citrullus lanatus were calculated to have a ...
Tópico(s): Botanical Research and Applications
2014 - CSIRO Publishing | Australian Journal of Botany
Rui Zhang, Fangren Peng, Pan Yan, Fan Cao, Zhuang-Zhuang Liu, Dong-Liang Le, Peng-Peng Tan,
... pecan trees are usually dominated by a single taproot with few lateral roots, which are commonly thought ... shoot development of pecan seedlings in response to taproot pruning. Taproots of ‘Shaoxing’ seedling pecan trees were mildly (1/ ... stem height or stem diameter. However, pruning the taproot could stimulate primary growth in taproot branches. Root weight and the number of taproot branches per tree increased with decreasing taproot length. This study indicated that severe root pruning ... had emerged resulted in root systems with more taproot branches and the greatest root dry weight after ...
Tópico(s): Seedling growth and survival studies
2015 - American Society for Horticultural Science | HortScience
Meredith L. Mitchell, Steve Clark, Kym L. Butler, Zhongnan Nie, Vivianne F. Burnett, Richard Meyer, Reto Zollinger, Greg Seymour,
Abstract Lucerne ( Medicago sativa L.) has a large taproot to store and release starch, carbohydrates and nutrients ... of the lucerne crop aims to keep the taproot stable subject to the demands for feed provision ... to examine the effects of recovery period on taproot mass and nutritive status. Both experiments used established ... 42 days (long recovery LR). At each defoliation, taproots were extracted for determination of DM yield and ... WSC and N DM yields along with total taproot DM yield did not change greatly as the ...
Tópico(s): Plant Water Relations and Carbon Dynamics
2020 - Wiley | Journal of Agronomy and Crop Science
Jong‐Youn Kim, Dong Hwi Kim, Young Chang Kim, Kee Hong Kim, Jung Yeon Han, Yong Eui Choi,
... embryos are transferred to soil. In vitro thickened taproots, which were produced after prolonged culture of ginseng plantlets, were transferred to soil. Taproot thickening of plantlets occurred near hypocotyl and primary ... the leaves of plantlets senesced, the buds on taproots developed a dormant tendency. Gibberellic acid treatment was ... revealed that the content of abscisic acid in taproots with senescent shoots was comparatively higher than that of taproots with green shoots. Thickened taproots were transferred to ...
Tópico(s): Plant Disease Management Techniques
2016 - Elsevier BV | Journal of Ginseng Research
John E. Silvius, F. W. Snyder,
... sugarbeet ( Beta vulgaris L.) plants that differed in taproot/leaf weight ratio and in photosynthate partitioning between taproots and fibrous roots did not differ in root/ ... A decreased specific activity of acid invertase in taproots was associated with increased taproot/fibrous root weight ratio at 21 and at ... emergence. Alkaline invertase activity was negatively correlated with taproot/fibrous root weight ratio at 28 days. Sucrose synthetase specific activities of taproots were not correlated with dry matter distribution. Acid ...
Tópico(s): Potato Plant Research
1979 - Wiley | Physiologia Plantarum
Avishay Ben-Porath, D. N. Baker,
... the boll‐filling period, the growing mainstem and taproot compete with reproductive organs for limited supplies of ... In a series of experiments, the effects of taproot restrictions on growth and development of drip irrigated ... were grown outdoors and in sunlit growth chambers. Taproots were restricted to various degrees by using different ... distribution was measured destructively. The restriction of the taproot apical dominance by small pots (I or 2. ... roots in larger pots (7 L or more). Taproot‐restricted plants started to flower earlier and they ...
Tópico(s): Research in Cotton Cultivation
1990 - Wiley | Crop Science
... were not consistently correlated with either nodule or taproot biomass. Numbers of fourth‐instar larvae were associated with taproot biomass, suggesting that taproot surface area may also limit population levels of S.hispidulus. No correlations were found between taproot and nodule biomass on any sampling date indicating ... numbers of fourth‐instar larvae associated with larger taproots were not merely due to a greater survival of first instars associated with larger taproots. The study suggests that population levels of nodule‐ ...
Tópico(s): Legume Nitrogen Fixing Symbiosis
1986 - Wiley | Ecological Entomology
Keith G. Pembleton, Jeffrey J. Volenec, RP Rawnsley, D. J. Donaghy,
... investigate if water deficit affected the accumulation of taproot constituents and crown bud development of alfalfa, two ... in proportion to the level of water deficit. Taproot starch concentrations decreased while taproot soluble sugar increased in plants exposed to a ... deficit. Thirty‐five d after initiation of treatments, taproot protein and amino acid concentrations were similar in ... relative concentration of low and middle molecular weight taproot vegetative storage proteins (VSP) and water deficits reduced ...
Tópico(s): Botany and Plant Ecology Studies
2010 - Wiley | Crop Science
Edmar Teixeira, Derrick J. Moot, Michael V. Mickelbart,
... and N reserves in perennial organs (crown and taproot). The level of perennial reserves influences shoot growth ... produced only 50–60% of this. Crown plus taproot DM cycled from ∼3.0 to 5.5 ... for SS treatment. The concentrations of starch in taproots ranged from ∼4 to 30% DM and differed ... duration (SL treatment) restored C and N in taproots to levels 25–50% greater than the SS treatment. The amount of nitrogen in taproots during winter was the strongest predictor (R2 = 0. ... The seasonal patterns of change in crown plus taproot DM and the concentrations of C and N ...
Tópico(s): Ruminant Nutrition and Digestive Physiology
2006 - Elsevier BV | European Journal of Agronomy