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2 edition of Biochemical aspects of osmopriming in leek (Allium porrum L.) seeds. found in the catalog.

Biochemical aspects of osmopriming in leek (Allium porrum L.) seeds.

Carole Jane Ferguson

Biochemical aspects of osmopriming in leek (Allium porrum L.) seeds.

by Carole Jane Ferguson

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  • 15 Currently reading

Published by University of Manchester in Manchester .
Written in English


Edition Notes

Thesis (Ph.D.), - University of Manchester, School of Biological Sciences.

ContributionsUniversity of Manchester. School of Biological Sciences.
The Physical Object
Pagination225p.
Number of Pages225
ID Numbers
Open LibraryOL16576404M

Nutripriming with zinc sulphate and borax for early growth and seedling vigour in grain cowpea [Vigna unguiculata (L.) Walp] The experiment was conducted at Coconut Research Station, Balaramapuram with an objective to study the effect of nutripriming with ZnSO4 and borax on the early growth and seedling vigour and Zn and B content in grain : Anju B Raj, Sheeja K Raj, K. Prathapan, N.V. Radhakrishnan. The primary metabolism and associated biochemical changes occurring in seedlings emerging from primed and non primed seeds subjected to NaCl and polyethylene glycol (PEG) stressed conditions was analyzed to study the effect of halopriming on osmotic stress tolerance potential of green gram varieties with varied tolerance potential to NaCl and by:

  Seed priming involves taking seed through the early stages of the germination process. In the above chart, the green line corresponds to a standard germination process: during the phase 1 (imbibition), under suitable temperature and moisture, seed takes up water.   A series of seed priming experiments were conducted to test the effects of different pretreatment methods to seed germination, seedling growth, and seed yield traits in maize (Zea mays L.).Results indicated that the seeds primed by gibberellins (GA), NaCl, and polyethylene glycol (PEG) reagents showed a higher imbibitions rate compared to those primed with by:

Agronomic biofortification by seed treatments is a convenient way to harvest improved yields of micronutrient-enriched grains. This 2-year field study was conducted to evaluate the effects of seed priming with zinc (Zn), boron (B) and manganese (Mn) alone and in combinations on stand establishment, grain yield and biofortification of bread wheat (Triticum aestivum L.). Seeds of wheat cv Cited by: 5.   During seed maturation and germination, major changes in physiological status, gene expression, and metabolic events take place. Using chlorophyll sorting, osmopriming, and different drying regimes, Brassica oleracea seed lots of different maturity, stress tolerance, and germination behavior were created. Through careful physiological analysis of these seed lots combined with gene .


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Biochemical aspects of osmopriming in leek (Allium porrum L.) seeds by Carole Jane Ferguson Download PDF EPUB FB2

Several seed priming approaches including hydropriming, nutrient priming, hormonal priming, chemical priming, osmopriming, and redox priming can be effectively used under different environmental : Sadam Hussain, Saddam Hussain, Abdul Khaliq, Shafaqat Ali, Imran Khan.

To understand the molecular and biochemical mechanisms of osmopriming-induced salinity tolerance, the accumulation of proline, gene expression and activity of enzymes involved in proline.

Seed osmopriming treatment allowed wheat plants to maintain a greater relative growth rate during the drought period, resulting in higher dry matter and grain yield production relative to non.

ABSTRACT Osmopriming has a positive effect on the enhancement of seeds germination and seedlings growth, especially under stress conditions. This study investigated the effects of osmopriming with polyethylene glycol on alfalfa (Medicago sativa L.) seeds germination and seedlings antioxidant responses under drought stress.

Seeds of five Moroccan alfalfa populations and an American Moapa Cited by: 9. Physiological and biochemical changes induced in sunflower seeds by osmopriming and subsequent drying, storage and aging. Sunflower (Helianthus annuus L.) seeds show more germination at high temperatures (25–30°C) than at temperatures below 20° by: Osmopriming is the most common method of priming used by solutions with low osmotic potentials.

In this method many compounds have been used to achieve a solu-tion or known water potential and include salt salts such as NaCl, K 2HPO 4, KNO 3, MgSO 4, KH 2PO 4 and low molecular weight polymers such as glycerol and mannitol and largeAuthor: Alemzadeh Ansari, Sasan Aliniaifard.

From the present study it may be concluded that seed priming may enhance the seedling vigour of mungbean. Nutrient priming using phosphorous and osmopriming with mannitol were the most efficient priming treatments in this study. In further research work biochemical basis for the enhanced phenology of mungbean may be evaluated.

REFERENCES. Seed priming is a pre-sowing treatment which leads to a physiological state that enables seed to germinate more efficiently. The majority of seed treatments are based on seed imbibition allowing the seeds to go through the first reversible stage of germination but do not allow radical protrusion through the seed coat.

Seeds keeping their desiccation tolerance are then dehydrated and can be Cited by: Effect of Nanopriming on Germination in Sunflower (Helianthus Annus L.) Physiological and biochemical aspects of seed vigor enhancement treatments in fine 48 December rice osmopriming of leek seeds.

Ann. Bot., 7. Brocklehurst, P.A., J. Dearman, R.A.K. Drew,File Size: KB. techniques on physiological and biochemical basis in coarse rice Seed Sci. and Tech. 34(3): Farooq, M. and S.M.A. Basra and Seed invigoration by osmohardening in File Size: KB. Bray CM, Davison PA, Ashraf M, et al.

Biochemical changes during osmopriming of leek seeds. Annals of Botany. ;63(1)– Kapoor N, Arya A, Siddiqui MA, et al. Physiology and biochemical changes during seed deterioration in aged seeds of rice (Oryza sativa L.) American Journal of Plant Physiology.

;6(1)– Powell by: 1. biochemical events in seeds takes place during suspension of germination by low osmotic potential and negligible matric potential of the imbibing medium. Salts or non-penetrating organic solutes in liquid medium (osmoconditioning) or solid matrices (matriconditioning) are used to establish an equilibrium of water potential between seed andFile Size: KB.

In both osmopriming and hormonal priming treatments, the highest number of tillers and productive tillers were from pre-germination.

The tallest plants from osmopriming were from mM treatment, while 50 ppm GA 3 had the tallest in hormonal priming. The highest tiller efficiency for osmopriming was from mM and and mM sodium chloride, while in hormonal priming it was ppm salicylic acid.

It integrates advances in the diverse and rapidly-expanding field of seed science, from ecological and demographic aspects of seed production, dispersal and germination, to the molecular biology of seed development. The book offers a broad, multidisciplinary approach that covers both theoretical and applied by: In leek seeds, Ashraf and Bray () reported that replicative DNA synthesis and nuclear DNA had occurred during osmopriming and germination of leek seeds.

Lanteri et al. () revealed that priming of pepper and tomato seeds inand MPa PEG solution for 14 days at 25°C reduced the mean time to germination. The relationship between initial mobilization of S globulin storage protein (leading to solubilization of its B-subunit) and germination performance after priming was studied in sugarbeet (Beta vulgaris L.) g was conducted for 2 d either in water (hydropriming) or in – MPa polyethylene glycol (osmopriming), at various temperatures ranging from 5 to 40°C and oxygen Cited by: Using flow cytometric analyses of the nuclear DNA content, we studied the effects of various conditions of osmopriming on the activation of the cell cycle in embryo root tips of tomato (Lycopersicon esculentum‘Elko’) dry untreated seeds, % of the nuclei revealed 2C by: biochemical aspects,q d vwxg\ frqgxfwhg lq udwv xvlqj > [email protected] jdvwurlqwhvwlqdo devruswlrq zdv dw ohdvw lq pdohv dqg lq ihpdohv 7kh pdmrulw\ xs wr ri udglrdfwlylw\ zdv h[fuhwhg lq xulqh zlwklq krxuv /hvv wkdq ri udglrdfwlylw\ zdv ghwhfwhg lq wlvvxhv zlwk wkh kljkhvw sursruwlrqv lq wkh olyhu.

This book describes how the abilities of organisms to thrive in widely different environments derive from two fundamental classes of biochemical adaptions: modifications of core biochemical processes that allow a common set of physiological functions to be conserved, and "inventions" of new biochemical traits that allow entry into novel by: Biochemical change during osmopriming of leek seeds.

[13] A. Dell Aquila and V. Tritto. Germination and biochemical activities in wheat seeds following delayed harvesting, ageing and osmotic priming. Hand book for seedling evaluation. International Seed Testing Association, Zurich, Switzerland.

[21] ISTA. The influence of seed priming on germination, seedling vigor, ion homeostasis, and starch metabolism in coarse rice was studied. Priming treatments included pregermination (a traditional soaking method being used for rice nursery preparation), hydropriming for 48 h, osmohardening with KCl or CaCl 2 (ψs – MPa solution) for 24 h, ascorbate priming (10 mgL –1) for 48 h, and hardening Cited by:   Abstract.

Rice (Oryza sativa L.) provides about 55–80% of the total calories for people in South Asia, Southeast Asia, and Latin ere, it represents a high-value commodity crop. Change in the method of crop establishment from traditional manual transplantation of seedlings to direct seeding has been adopted in many Asian countries in the last two decades, in view of rising Cited by: biochemical aspects of pre-sowing seed treatmens in fine rice (Oryza sativa L.).

Seed Sci. And Technol, (33): p. Chang, Te-Tzu and Vegara, B. S. Varietal diversity and morpho-agronomic characteristic of upland rice p: In Major research in upland rice. IRRI. Los Banos. Copeland, L.O. and M. B. McDonald.