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Grain dormancy and light quality effects on germination in

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Grain dormancy and light quality effects on germination in .

• Lack of grain dormancy in cereal crops such as barley and wheat is a common problem affecting farming areas around the world, causing losses in yield and quality because of preharvest sprouting. Control of seed or grain dormancy has been investigated extensively using various approaches in different species, including Arabidopsis and cereals.

Light and Dormancy in Wild Oats ( Avena fatua L.) | Natu

RECENTLY, inhibitory effects of white light on germination of wild oats with natural dormancy 1,2 and with dormancy induced by previous immersion in water 3 have been reported. To test the effect ...

Seed Dormancy, Germination, and Pre-Harvest Sprouti

Weak dormancy may be an advantage for the productivity due to uniform emergence and a disadvantage for the risks of pre-harvest sprouting (PHS), which decreases grain quality and yield [4].

THE INFLUENCE OF LIGHT ON THE GERMINATION OF A VENA FA TUA .

New Phytologist. Explore this journal > ... THE INFLUENCE OF LIGHT ON THE GERMINATION OF A VENA FA TUA L. (WILD OAT) SEED AND ITS ECOLOGICAL SIGNIFICANCE. Authors. JANET R. HILTON, Agricultural Research Council Weed Research Organization, Begbroke Hill, Yarnton, Oxford OX5 1PF;

NAVER Academic > Grain dormancy and light quality effects .

Summary • Lack of grain dormancy in cereal crops such as barley and wheat is a common problem affecting farming areas around the world, causing losses in yield and quality ...

Factors affecting wheat seed germination - grainsa.co.

However, within an agricultural setting, dormancy among planted seeds may lead to staggered germination resulting in an erratic stand and/or plant-age distribution. Seed with low dormancy levels may also be prone to pre-harvest sprouting thus affecting falling number, an important quality parameter of wheat.

Effects of light quality on growth and development .

Morphogenesis of plants was also affected by light quality. Under B light, plants exhibited smaller angles between stem and petiole, and the whole plants showed a compact type, while the angles increased under Y, P, R, and G and the plants were of an unconsolidated style. The total soluble sugar content increased significantly under B.

Penetration of light into soil and its role in the control .

Penetration of light into soil and its role in the control of seed germination ... Prolonged exposure to soil‐filtered light was found to affect the germination of seven species tested. ... Rosemary G. White, Stephen M. Swain, David F. Garvin and Frank Gubler, Grain dormancy and light quality effects on germination in the model grass ...

Factors controlling seed dormancy and germination response .

Seed dormancy and germination have been studied in the genetic model Brachypodium species complex in cooler, moist higher latitudes. Studying environmental factors in arid mountains affecting dormancy and germination in Brachypodium complex could determine the factors controlling these processes. This study assesses the impacts of temperature during seed maturation, seed after-ripening ...

Grain dormancy and light quality effects on germination in .

Lack of grain dormancy in cereal crops such as barley and wheat is a common problem affecting farming areas around the world, causing losses in yield and quality because of preharvest sprouting. Control of seed or grain dormancy has been investigated extensively using various approaches in different species, including Arabidopsis and cereals.

Cryptochromes and Seed Dormancy: The Molecular Mechanism .

Cryptochromes and Seed Dormancy: The Molecular Mechanism of Blue Light Inhibition of Grain Germination. ... whereas wild grasses such as Brachypodium distachyon exhibit blue light (BL) effects on germination as well as red/far-red light responsiveness likely mediated ... Grain dormancy and light quality effects on germination in the model grass ...

Grain dormancy and light quality effects on germination in .

Grain dormancy and light quality effects on germination in the model grass Brachypodium distachyon Jose´ M. Barrero1, John V. Jacobsen1, Mark J. Talbot1, Rosemary G. White1, Stephen M. Swain1, David F. Garvin2 and Frank Gubler1 1CSIRO Plant Industry, GPO Box 1600, Canberra, ACT 2601, Australia; 2USDA-ARS Plant Science Research Unit and University of Minnesota, 411 Borlaug Hall, 1991 Upper ...

A Role for Barley CRYPTOCHROME1 in Light Regulation of .

A Role for Barley CRYPTOCHROME1 in Light Regulation of Grain Dormancy and GerminationW OPEN Jose M. Barrero,a,1 A. Bruce Downie,b,1 Qian Xu,a and Frank Gublera,2 a CSIRO Plant Industry, Canberra ACT 2601, Australia b Department of Horticulture, University of Kentucky, Lexington, Kentucky 40546-0312 ORCID ID: 0000-0001-6680-0551 (A.B.D.) It is well known that abscisic acid (ABA) plays a central ...

[PDF] Regulation of dormancy in barley by blue light and .

Blue light mimics the effects of white light on germination, ABA levels, and expression of GA and ABA metabolism genes. Red and far-red light have no effect on germination, ABA levels, or HvNCED1. RNA interference experiments in transgenic barley plants support a role of HvABA8'OH1 in dormancy release.

Germination ecology of winter annual grasses in .

In all species, recently-harvested seeds showed high germination rates across a wide range of temperatures, while winter-stored seeds were highly tolerant to moisture stress. Our results suggest that environmental conditions rather than dormancy prevent germination of the studied species after dispersal.

Publication : USDA A

Title: Grain dormancy and light quality effects on germination in the model grass Brachypodium distachyon Author Barrero, Jose - Commonwealth Scientific And Industrial Research Organisation (CSIRO)

Grain dormancy and light quality effects on germination in .

Request PDF on ResearchGate | Grain dormancy and light quality effects on germination in the model grass Brachypodium distachyon | • Lack of grain dormancy in cereal crops such as barley and ...

Factors controlling seed dormancy and germination response .

Seed dormancy and germination have been studied in the genetic model Brachypodium species complex in cooler, moist higher latitudes. Studying environmental factors in arid mountains affecting dormancy and germination in Brachypodium complex could determine the factors controlling these processes. This study assesses the impacts of temperature during seed maturation, seed after-ripening ...

Cryptochromes and Seed Dormancy: The Molecular Mechanism .

Cryptochromes and Seed Dormancy: The Molecular Mechanism of Blue Light Inhibition of Grain Germination. ... Grain dormancy and light quality effects on germination in the model grass Brachypodium distachyon. ... The Molecular Mechanism of Blue Light Inhibition of Grain Germination. Nancy Hofmann. The Plant Cell Mar 2014, 26 (3) ...

Dormancy in cereals (not too much, not so little): about .

Dormancy in cereals (not too much, not so little): about the mechanisms behind this trait - Volume 25 Issue 2 - María V. Rodríguez, José M. Barrero, Francoise Corbineau, Frank Gubler, Roberto L. Benech-Arnold

[PDF] Regulation of dormancy in barley by blue light and .

Blue light mimics the effects of white light on germination, ABA levels, and expression of GA and ABA metabolism genes. Red and far-red light have no effect on germination, ABA levels, or HvNCED1. RNA interference experiments in transgenic barley plants support a role of HvABA8'OH1 in dormancy release.