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Tuesday, July 14, 2020 | History

2 edition of Cytology of chlorophyll types of maize ... found in the catalog.

Cytology of chlorophyll types of maize ...

L. F. Randolph

Cytology of chlorophyll types of maize ...

by L. F. Randolph

  • 212 Want to read
  • 28 Currently reading

Published in [Chicago .
Written in English

    Subjects:
  • Cells.,
  • Corn.,
  • Chlorophyll.,
  • Heredity.

  • Edition Notes

    Statementby L.F. Randolph.
    Classifications
    LC ClassificationsQK725 .R3
    The Physical Object
    Pagination1 p. l., p. 337-375. pl. XI-XVI.
    Number of Pages375
    ID Numbers
    Open LibraryOL6649570M
    LC Control Number22023536
    OCLC/WorldCa14259261

    To adapt to different light intensities, photosynthetic organisms manipulate the flow of electrons through several alternative pathways at the thylakoid membrane. The enzyme ferredoxin:NADP+ reductase ([FNR][1]) has the potential to regulate this electron partitioning because it is integral to most of these electron cascades and can associate with several different membrane Supply of to msmallcap˜M CdCl2 to greening maize leaf segments, either in the absence or in the presence of inorganic N reduced total chlorophyll content. During a time course study, there was no appreciable effect of Cd up to 4 h, but thereafter it inhibited chlorophyll synthesis. While glycine, succinate, glutamate, 2-oxoglutarate, MgCl2, cysteine, dithiothreitol and

    In the Z. mays ‘fs′ mutant, the inhibition of the chlorophyll degradation pathway led to the occurrence of the stay-green phenomenon in maize, which promoted the increase of maize yield due to its high photosynthesis. If the process of chlorophyll degradation is accelerated, leaf   Morphology is the branch of science that deals with the study of structure, features, and form of organisms. The structural diversity of flowering plants (Angiosperms) always fascinates us but even with their structural diversity, they have some common ://

    Definition noun, plural: chlorophylls The green pigment found in the chloroplasts of higher plants and in cells of photosynthetic microorganisms (e.g. photosynthetic bacteria), which is primarily involved in absorbing light energy for photosynthesis. Supplement The chlorophyll best absorbs light in the blue and red while poor in the green portion of the electromagnetic :// This model was tested using radiometric data taken 6 m above the top of the canopy and Landsat and MODIS satellites data for GPP estimation in both maize and soybean, crop types that differ in leaf structure and canopy architecture, under different crop management and climatic ://


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Cytology of chlorophyll types of maize .. by L. F. Randolph Download PDF EPUB FB2

CYTOLOGY OF CHLOROPHYLL TYPES OF MAIZE L. RANDOLPH (WITH PLATES XI-XVI) Introduction During recent years there have been discovered a number of instances of chlorophyll inheritance which are characterized by features due to unusual modes of chlorophyll distribution and behavior.

These phenomena are obviously of interest both to the   1. All the chlorophyll types examined were found to contain the same initial cell structure, minute "proplastids" of the same size and general appearance being present in every type.

In normal green plants the proplastid first appears in the cell as a minute granule at the limit of visibility, gradually enlarging and developing chlorophyll until it becomes a mature :// chloroplasts as well as different plasmatically inherited chlorophyll deficiencies.

It is the aim of the present paper to summarize the facts of the submicroscopic cytology of plastids so far obtained as regards their bearing on the genetics of plastids. The discussion will be BRASSINOSTEROID-SIGNALING KINASE5 Associates with Immune Receptors and Is Required for Immune Anderson, E.

G., —The inheritance of salmon silk color in l Univ. Agr. Exp. Sta. Mem. – Google Scholar   Chapter 1 - Introduction Types of maize. Maize, the American Indian word for corn, means literally "that which sustains life". It is, after wheat and rice, the most important cereal grain in the world, providing nutrients for humans and animals and serving as a basic raw material for the production of starch, oil and protein, alcoholic beverages, food sweeteners and, more recently, Acclimation to CO2 enrichment was studied in maize plants grown to maturity in either or microl l-1 CO2.

Plants grown with CO2 enrichment were significantly taller than those grown at microl l-1 CO2 but they had the same number of leaves. High CO2 concentration led to a marked decrease in whole leaf chlorophyll and ://   differing environments to fi nd types that give the best agronomic performance over a range of geographical locations and years.

Corn is grown from sea-level to altitudes of more t feet and from the equator to about 50° north and south latitudes. Compared to environmen-tal conditions of the U.S. Corn Belt, many Book November withReads How we measure 'reads' A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a Chloroplasts of maize (Zea mays) leaves differentiate into specific bundle sheath (BS) and mesophyll (M) types to accommodate C4 photosynthesis.

Consequences for other plastid functions are not well understood but are addressed here through a quantitative comparative proteome analysis of purified M and BS chloroplast stroma.

Three independent techniques were used, including cleavable stable P.F. Fransz & J.H.N. Schel: Response of two genotypically different maize strains in vitro: comparative cytology P.R. van Hasselt: Possibilities of using chlorophyll fluorescence as a rapid non­ destructive screening method for cold tolerance Y.

Hebert: Genetic variability in the rate of leaf appearance in maize during the   The chlorophyll cycle is a metabolic pathway in plants and green algae that interconverts chlorophyll a and chlorophyll chlorophyll a-to-b conversion is catalyzed by a Rieske-type oxygenase, chlorophyll(ide) a oxygenase, while the chlorophyll b-to-a conversion is catalyzed in two steps by chlorophyll b reductase (a short-chain dehydrogenase) and 7-hydroxymethyl chlorophyll a Cytology of Chlorophyll Types of Maize.

Vol Page Variations in Cytology and Gross Morphology of Taraxacum. Senescence, Rejuvenescence, and Leaf Variation in Taraxacum. Vol Page If you are generating a PDF of a journal article or book chapter, please feel free to enter the title and author information.

Chlorophyll fluorescence yield in vivo under normal physiological conditions is mostly a function of two types of fluorescence quenching, photochemical and non-photochemical (2).It was shown that contribution of photochemical and non-photochemical quenching to the total fluorescence quenching in the leaves tended to vary during drought and was 1.

Mol Genet Genomics. Aug;(4) doi: /s Epub Mar 1. Expression and functional analysis of genes encoding cytokinin receptor-like histidine kinase in maize The stay-green leaf phenotype is typically associated with increased yields and improved stress resistance in maize breeding, due to higher nitrogen (N) nutrient levels that prolong greenness.

The application of N fertilizer can regulate the N status of plants, and furthermore, impact the photosynthetic rates of leaves at the productive stage; however, N deficiencies and N excesses will reduce With respect to retardation of plant growth, mottling of seedlings, partial sterility and production of sectors with deformed leaves and chlorophyll deficiency, plants grown from the most heavily irradiated seed samples from the Bikini test (cf.

Plant Breeding Abstracts, Vol. XVIII, Abst. ) were comparable to those grown from seed exposed to X ray doses of 15, :// It is shown that the BS chloroplasts have ~2-fold higher chlorophyll a/b ratio than M chloroplasts, and respectively.

The PSI apoprotein (68 kDa) was more abundant in BS than in M thylakoids. Polypeptides belonging to PSII core antenna, are in similar amounts in both types of membranes, but the 45kDa band is more intensive in M R A N D O ~ ~ H, L. Cytology of chlorophyll types of maize.

Bot. Gaz. The preference of the cytology of chromosomes is due partly to the eminent role they play in mendelian   Chlorophyll stability in spinach dehydrated by freeze-drying and controlled low-temperature vacuum dehydration. Food Research International34 (), DOI: /S(00). Maize has been a longstanding model for meiotic studies, and continues to show its outstanding characteristics as a model for plant cytology.

Olivier Hamant (University of California, Berkeley) reported progress in understanding sister chromatid cohesion, a critical step in nuclear The PAO/phyllobilin pathway of chlorophyll breakdown in leaves.

(A) Reactions of the first part of the pathway from chlorophyll to hydroxy-pFCC that take place inside the e rings are labelled A–D and relevant atoms are indicated in a porphyrin (chlorophyll a) and a phyllobilin (pFCC).(B) pFCC/hydroxy–pFCC-modifying reactions of the second part of the pathway that take   An Egyptian inbred line of maize (Zea mays L.) “K1” was used in this study which was developed by the plant breeding group, Genetic and Cytology Department, Na-tional Research Centre, Giza, Egypt.

The inbred “K1” is one of four Egyptian maize inbred lines (Zea mays L.) that were studied to identify heat shock proteins under