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Topic: Fibrous root


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  AllRefer.com - root, in botany (Botany, General) - Encyclopedia
root, in botany, the descending axis of a plant, as contrasted with the stem, the ascending axis.
In most plants the root is underground, but in epiphytes the roots grow in the air and in hydrophytes (e.g., cattails and water lilies) they grow in water or marshes.
In the center of the root the cells formed earlier by the embryonic cells of this layer differentiate into storage tissue and xylem and phloem vessels to conduct sap upward to the leaves and back down to nourish the root cells.
reference.allrefer.com /encyclopedia/R/root1.html   (531 words)

  
 Root
Fibrous root A fibrous root is the opposite of a taproot.
Root (chord) The root of uninverted, or in root position, this is the bottom note of the chord.
Root cause In plain English a root cause is a cause that is at a root of an effect.
www.brainyencyclopedia.com /topics/root.html   (839 words)

  
 Root
In roots, the cork cambium originates in the pericycle, a component of the vascular cylinder.
The outside surface of a root is known as the epidermis.
In monocotyledons, the xylem and phloem cells are located in a circle around the pith, or center of a monocot root's stele, whereas in dicotyledons, the xylem cells form a central "hub" with lobes, and the phloem cells fill in the space between the lobes.
www.brainyencyclopedia.com /encyclopedia/r/ro/root.html   (643 words)

  
 Citrus Root Growth and Soil Pest Management Practices
Root flushing and pest population cycling are closely interrelated because susceptible root tissues are produced prior to or during periods of soil temperatures conducive for nematode and fungal population development.
In contrast, root growth in poorly drained flatwood soils, where trees are grown on raised beds and confined at depth by water or a hardpan layer, rooting depth is often limited to 28 to 40 inches and 75 percent of the roots are found in the surface foot of soil (Figure 3.).
Studies of the lateral distribution of citrus fibrous roots have shown that the highest density of roots in the surface 2 feet of soil grow directly under the tree canopy and decreases markedly with distance from the trunk towards the row middle.
edis.ifas.ufl.edu /CH008   (3334 words)

  
 Root - Iridis Encyclopedia   (Site not responding. Last check: 2007-10-14)
The two major functions of roots are absorption and supply of water and inorganic nutrients to the plant, and its anchoring in the ground.
The primary root originates in the radicle of the seedling.
Mycorrhiza - root symbiosis in which individual hyphae extending from the mycelium of a fungus colonize the roots of a host plant.
www.iridis.com /Root   (1161 words)

  
 Phytophthora Diseases of Citrus
infect the root cortex and cause a decay of fibrous roots.
Fungal populations in the soil are maintained by repeated infection of the fibrous roots.
Fibrous root losses and Phytophthora populations may be reduced by installation of tile drainage or improvement of surface drainage.
edis.ifas.ufl.edu /CH087   (4910 words)

  
 Root Development of Vegetable Crops: Chapter XXVI
These glistening white, rather tough, fibrous roots and their branches were, at this stage of development, almost or quite confined to the surface 2 to 10 inches of soil.
All of the roots are extremely well branched, and the 2 feet of soil on all sides of the plant are well filled with roots to the 3-foot level.
In fact, the new set of roots possesses greater vigor than those on a seedling that has not been allowed to wilt; in the latter case the roots are not injured beyond recovery, and it appears that their recovery prevents the prompt development of new ones.
www.soilandhealth.org /01aglibrary/010137veg.roots/010137ch26.html   (7154 words)

  
 Roots
Root hairs extend the absorptive surface of roots that is in contact with moist soil several thousand-fold.
Root hairs are short-lived, single-celled extensions of the epidermal cells near the growing root tip.
Roots generally grow away from the light, and light inhibits root growth in corn, wheat, peas, and rice.
www.unlv.edu /faculty/landau/roots.htm   (1093 words)

  
 AZ Master Gardener Manual: Roots
The principal functions of roots are to absorb nutrients and moisture, to anchor the plant in the soil, to furnish physical support for the stem, and to serve as food storage organs.
A fibrous root is one which remains small in diameter because of a lack of significant cambial activity.
The depth and spread of the roots is dependent on the inherent growth characteristics of the plant and the texture and structure of the soil.
ag.arizona.edu /pubs/garden/mg/botany/roots.html   (855 words)

  
 Plant Roots   (Site not responding. Last check: 2007-10-14)
Root Tip: the end 1 cm of a root contains young tissues that are divided into the root cap, quiescent center, and the subapical region.
The root cap cells are derived from the rootcap meristem that pushes cells forward into the cap region.
Epidermis: the epidermis is derived from the protoderm and surrounds the young root one cell layer thick.
alpha.furman.edu /~lthompso/bgy34/plantanatomy/plant_root.htm   (929 words)

  
 The Whitcomb™ System
A more fibrous root system means a greater surface area and translates to a greater efficiency in the absorption of water and nutrients; an increase in growth rate, establishment, and vigor; a higher transplant survivability; and ultimately, superior performance for your customers.
Roots cannot expand beyond the 3/32 of an inch which causes an accumulation of sugars and starches inside the container.
Root death on the sun-exposed side of a fl plastic container is a common, frustrating occurrence.
www.rootmaker.com /whitsys.php   (2246 words)

  
 Lesson 6
Roots are an often overlooked part of plants primarily because they are hidden beneath the soil ('out of sight, out of mind').
Roots can vary in size from the unbelievable 14 million root segments totaling 380 miles in length in an adult rye plant (a grass-like plant with a fibrous root system) to the unexpectedly shallow root system for some large trees.
Fibrous roots occupy a large volume of soil around the plant's base and since they grow relatively close to the soil surface they are effective at controlling soil erosion.
www.4j.lane.edu /~whitley/botany/lessons/lesson06/botless6.html   (1254 words)

  
 Biology 2402 Notes - Roots
Root growth is essentially a continuous process from embryo until death, unless stopped by conditions such as drought or low temperatures.
Root hairs are extensions of the epidermal cells that greatly increase the surface area for water absorption.
In roots that undergo secondary growth the vascular cambium arises by divisions of procambial cells that occur in between the primary xylem and primary phloem.
www.ualr.edu /~botany/roots.html   (1454 words)

  
 Botany 1050
As most tree seedlings grow to sapling and then tree size, the main root stops growing and the lateral roots increase in size and number, eventually forming a large, woody, fibrous root system.
Root hairs are very fine outgrowths of single epidermal cells that may extend several millimeters into the soil.
In those dicots which develop woody roots, a layer of parenchyma cells between the primary xylem and phloem can divide and form secondary xylem and secondary phloem, causing the root to grow in diameter.
arnica.csustan.edu /carosella/Boty1052/roots.htm   (1228 words)

  
 INTRODUCTION
The objectives of root wrenching are to hasten seedling dormancy and develop a short fibrous root mass.
Root fibrosity is a term used by nursery managers to refer to the extensive, multi-branched tree roots spread out under the soil surface.
Root pruning has been shown to increase both the amount of root surface area and the percentage of the total root system.
www.forestry.auburn.edu /sfnmc/class/fy614/undercut.html   (4976 words)

  
 Joe page 4   (Site not responding. Last check: 2007-10-14)
Roots, like stems, grow in length as their apical meristem produces new cells near the root tip.
As the root grows, the root cap secretes a slippery substance that lubricates the process of the root through the soil.
Because cells at the very tip of the root cap are constantly being scraped away, new root cap cells are continually added by the meristem.
www.ri.net /schools/Narragansett/NHS/PerDwebpage/joeiv.html   (274 words)

  
 Know How
Circling roots will tend to continue to circle, and never find their way into your ground if you don’t gently untangle the roots before placing it in the planting hole.
A few roots may break off in the process, but it's just like pruning the top of the plant in that they will be come back more fibrous and branch out more.
Unwinding and spreading roots out, even some root pruning may be required, as it is vitally important for the roots to be in contact with the soil in which they will be growing.
www.bluerivernursery.com /knowhow.htm   (6690 words)

  
 comprehensionQ.html   (Site not responding. Last check: 2007-10-14)
You may already know that the part of a carrot that you eat is the root.
Fibrous roots are roots that grow in clusters.
Fibrous roots spread out over a large area.
www.rit.edu /~comets/pages/audiencepages/ktwelve/comprehensionq.html   (235 words)

  
 IITA Research Guides   (Site not responding. Last check: 2007-10-14)
Cassava root bulking depends on assimilate supply, especially the level of assimilates which is available during tuber initiation.
The peel of a tuberous root consists mainly of the cortex and the periderm.
The flesh is the central portion of the tuberous root and consists largely of storage parenchyma cells derived from the cambium.
www.iita.org /info/trn_mat/irg61/irg616.html   (420 words)

  
 Roots, Botany Course, Master Gardener Training, Extension Service, Oregon State University
If the primary root continues to elongate downward, becomes the central feature of the root system, and has limited secondary branching, it is called a taproot (Figure 4).
A lateral, or secondary, root is a side or branch root that arises from another root.
If the primary root ceases to elongate, and numerous lateral roots develop, a fibrous root system is formed.
extension.oregonstate.edu /mg/botany/roots2.html   (175 words)

  
 Tree Health Benefits - Tree Growth Reduction
One of the responses by the tree is an increase in fibrous root growth.
Cambistat increases fibrous root growth, but decreases woody root growth.
This basically means that compared to trees growing in more natural settings, there is more top growth as compared to fibrous roots.
www.rainbowscivance.com /cambistat/cam_root_growth.asp   (137 words)

  
 Root-Lesion Nematode
Shoot dry weight, fibrous root dry weight, tap root dry weight (not including crown), and numbers of nematodes within the roots are recorded.
Alternatives are pan extraction (7) and staining nematodes in the roots with acid fuchsin (2).
Ten weeks later extract nematodes from each root system for 1 week in a mist chamber, and record as nematodes per g fresh root.
www.naaic.org /stdtests/rootlesionnema.htm   (848 words)

  
 Root Directory 410
However, a few, like a small orchid I spotted in Puerto Rico, are capable of photosynthesis and in this particular case, the root is the major source of photosynthate.
Branching in a Fibrous Root system may appear to be be less organized than in a Tap Root system.
Large "tap roots" penetrate to great depths in the soil while smaller, shallow roots spread horizontally.
www.botany.hawaii.edu /faculty/webb/BOT410/Roots/roots.htm   (204 words)

  
 Welcome To Rich Nature Online!
The root is dug up in spring and autumn,removed from soil and fibrous root, washed, sliced, baked or dried in gentle sunlight.
Root nearly terrete, slightly curved, rarely branched, unequal length and diameter.
Texture hard, difficult to be broken; section fibrous, fresh yellow, nearly round or oblong, showing slight rays.
www.richnature.com /products/raw%20materials/CD-sample.htm   (419 words)

  
 fibrous and taproots   (Site not responding. Last check: 2007-10-14)
In plants where no root grows larger than another, they are said to have a fibrous root system.
Some plants have primary roots that grow longer and thicker than the secondary roots.
This large primary root is called a taproot.
www.ri.net /schools/Narragansett/NHS/PerEwebpage/fibroustap.html   (97 words)

  
 Different types of roots
The roots of a plant are connected differently in different plant species and this is known as the
In many dicotyledonous plants this root greatly enlarges to become the most prominent root of the plant and is known as a tap root.
Sometimes it is not so easy to know whether a plant structure is a root or a stem.
www.botany.uwc.ac.za /ecotree/root/roottypes.htm   (211 words)

  
 Containers
The in-ground "grow bag" or "tree bag" has evolved past the early dark fabric models of the early 80's as we have continued to learn about roots and their reactions with certain fabrics.
knit fabric bag creates a compact, fibrous root system and a means for a simple, quick harvest with it's precise openings.
expandable container continues to improve the root system by directing root growth toward air-pruning openings and stimulating root branching.
www.lacebarkinc.com /containers.htm   (295 words)

  
 intasc8
Primary root is the first root produced when seed sprouts.
Activity (15min): Working in pairs use a magnifying glass to observe the root systems of 1 plant you observed the previous day.
Root Pressure which by itself can move water only short distances.
www.bsu.edu /web/02lmholmes/intasc8techprepassessment.html   (628 words)

  
 Prairie Land Management: Land Management & Wildlife Enhancement
Helps keep weeds and pocket gophers out with a thick fibrous root system that also does not provide a food source.
This plant is relatively easy to establish and provides a good mix with cool season grasses for native seedings.
Helps keep weeds and pocket gophers out with a thick fibrous root system that also does not provide food.
www.habitatnow.com /habitat_info_grass_photos.htm   (878 words)

  
 Weeds
Grasses which are characterized by a single embryonic leaf (monocot), fibrous root systems, and parallel veins on the leaves.
The management of these weeds requires control of these weeds requires not only stopping their seed production, but also the management of the vegetative structure under the soil, or above the soil in the case of the stolon.
Like the annuals, the perennial weeds have been subdivided into two groups, but not according to their time of germination, rather according to their type of root system.
gardeningfromthegroundup.us /weeds.htm   (6319 words)

  
 Boxwood - BonsaiWIKI
Boxwood does best with some protection from summer sun.
Boxwoods have very fibrous root systems that adapt well to container culture.
Difficult to wire, box responds well to clip-and-grow development.
wiki.bonsaitalk.com /index.php/Boxwood   (104 words)

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