Germination Current Events

Germination Current Events, Germination News Articles.
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Making seeds grow: Scientists find gene responsible for seed germination
In a powerful example of the utility of the Arabidopsis plant genome sequence, an international collaboration of researchers has discovered a key component in the regulation of seed sprouting. Published in Genes & Development, researchers have determined that the RGL2 protein acts as a molecular crossroad linking the GA-mediated signaling pathway and environmental moisture cues. (2002-02-28)

The secret life of smoke in fostering rebirth and renewal of burned landscape
The innermost secrets of fire's role in the rebirth and renewal of forests and grasslands are being revealed in research that has identified plant growth promoters and inhibitors in smoke. In the latest discovery about smoke's secret life, an international team of scientists are reporting discovery of a plant growth inhibitor in smoke. The study appears in ACS's Journal of Natural Products, a monthly publication. (2010-01-27)

Researchers discover a way to potentially decrease peanut allergen
In a recent study from the Journal of Food Science published by the Institute of Food Technologists, researchers from Ningbo Institute of Agricultural Sciences in China found that seed germination could reduce the allergen level in peanuts. (2016-02-02)

Researchers identify a process that regulates seed germination
Purdue University researchers have determined a process that regulates activity of genes that control seed germination and seedling development. Mike Hasegawa and Kenji Miura discovered the step involved in keeping seeds from germinating in adverse conditions such as freezing temperatures or drought, a factor in the survival of plant species. (2009-03-11)

Seed coating effective on turfgrass under deficit irrigation
Researchers used low-dose applications of a surfactant film coating (SFC) in experiments with two species of turfgrass. Perennial ryegrass density, cover, and aboveground biomass from the SFC were ≈47%, 48%, and 46% greater than untreated seed, respectively. Tall fescue density, cover, and aboveground biomass from the SFC seeds were ≈22%, 23%, and 28% greater than untreated seed, respectively. The study demonstrated that SFC can promote seed germination and enhance turfgrass establishment under deficit irrigation. (2016-10-19)

Propagation protocols determined for 2 Nyssa species
Experiments with two Nyssa species showed that cold stratification enhanced speed and uniformity of germination of cleaned seeds of swamp tupelo. Seeds of swamp tupelo were found less resistant to germination when compared to seeds of black gum. Additionally, extracts of the fruit pulp of swamp tupelo were found to inhibit germination of seeds of swamp tupelo and other species. The experiments showed that swamp tupelo can be propagated reliably from seeds removed from fruits. (2016-08-29)

Spores for thought
Researchers at the Institute of Food Research have established how clostridia bacteria emerge from spores. This could help them understand how these bacteria germinate and go on to produce the deadly toxin responsible for botulism, a lethal form of food poisoning, or cause food spoilage. (2015-05-13)

Seed dormancy, a property that prevents germination, already existed 360 million years ago
An international team of scientists, coordinated by a researcher from the U. of Granada, has found that seed dormancy (a property that prevents germination under non-favourable conditions) was a feature already present in the first seeds, 360 million years ago. Seed dormancy is a phenomenon that has intrigued naturalists for decades, since it conditions the dynamics of natural vegetation and agricultural cycles. There are several types of dormancy, and some of them are modulated by environmental conditions in more subtle ways than others. (2014-11-19)

Seeing the light: Scientists unlock seed germination process
Scientists have identified a key gene that helps seeds decide whether to germinate. The MFT gene stops seeds germinating in the dark or under shady conditions, where their chances of survival would be poor, according to new research from the University of York. (2018-08-07)

Nottingham scientists reveal genetic 'wiring' of seeds
The genetic (2011-05-18)

Researchers watch seeds in 3-D and discover an unknown air path
Researchers from the CNRS, the University J. Fourier of Grenoble and the ESRF have recently visualised a plant seed in 3-D using synchrotron light. This new view has revealed that there is a network of voids between the cells which may be used for oxygen storage that is needed for efficient germination. It is the first time that a living organism is studied using the holotomography technique at a third generation synchrotron source. (2006-09-15)

Smoke breathes new life into a forest
Scientists have previously reported that heat shock and charred wood induce germination in dormant seeds. In the October issue of Ecology, a study of California chaparral demonstrates that smoke also triggers germination in deeply dormant seeds. (1998-10-13)

Early French had a taste for beer
Evidence of beer making in Mediterranean France, as far back as the 5th century BC, has been unearthed by Laurent Bouby from the CNRS -- Centre de Bio-Archeologie et d'Ecology in Montepellier, France, and colleagues. Their analyses reveal the presence of poorly preserved barley grains suggesting germination, as well as equipment and other remains of deliberate malting in the home. The work has just been published online in Springer's journal Human Ecology. (2011-06-14)

Dormancy relief, storage protocols for uhaloa seeds
A study determined physical dormancy and evaluated dormancy relief methods for uhaloa seeds. The greatest practical dormancy relief was achieved with a mechanical electric drum scarifier lined with 80-grit sandpaper for 15 or 30 seconds, producing 95 percent and 99 percent germination, respectively. Nonscarified seeds exhibited minimal loss of viability during 10 months of storage at 5 °C at 12 percent and 50 percent relative humidity, but a significant decline in viability of scarified seeds was detected. (2016-11-17)

Anthrax spores use failsafe protection system, say U-M scientists
Scientists know very little about what triggers an anthrax spore to break dormancy. Identifying the biochemical signals that start the process is an important first step to preventing anthrax infection. A new study by University of Michigan scientists shows that germination requires the coordinated activity of several genes, receptor proteins and amino acids in at least two simultaneous signaling pathways. (2002-02-27)

Super-tough seed coat keeps Michaux's sumac on critically endangered list
It is one of the rarest shrubs in the southeastern United States, and for scientists trying to save it, the critically endangered Michaux's sumac (Rhus michauxii) is not cooperating. (2011-10-11)

Four fairies watch over Sleeping Beauty
Seed germination is a crucial step in the life cycle of a plant. This is why the small embryo is maintained in a state of dormancy until the appearance of optimal environmental conditions. The quality of its sleep is insured by the envelope of the seed, continuously producing a hormone named ABA. A study reveals how the transport of the hormone to the embryo is controlled. (2015-09-03)

Taking the lead toward witchweed control
A compound that binds to and inhibits a crucial receptor protein offers a new route for controlling a parasitic plant. (2018-07-19)

How plants grow new lateral roots
Researchers have used 3-D live imaging to observe the formation process of lateral roots in plants, and clarified part of the mechanism that creates new meristematic tissue. If the root formation mechanism in plants is revealed further, this could potentially be used to control plant growth by artificially altering root system architecture. These findings were published on Aug. 10 in the online version of Development, and clips of the live imaging were selected as the Featured Movie of the current issue (Vol. 143/Issue 18). (2016-10-06)

Corn could help farmers fight devastating weed
Researchers in China investigate corn's ability to act as a trap crop and control sunflower broomrape. (2013-01-07)

Gene blocking lettuce germination also regulates flowering time
This study of lettuce and Arabidopsis shows for the first time that a gene known to direct the depth of seed dormancy and the timing of germination also influences flowering. The findings also suggest that the gene does this by influencing production of certain microRNAs -- tiny snippets of genetic material that govern transition from one phase of the plant's life cycle to another. (2016-03-28)

Using an embryonic pause to save the date
A date palm seedling can pause its development to boost its resilience before emerging into the harsh desert environment. (2019-07-08)

Laser technology sorting method can improve Capsicum pepper seed quality
Scientists investigated the efficacy of chlorophyll fluorescence sorting using different maturity fruits of four different cultivars of Capsicum peppers. Results showed that CF sorting significantly increased laboratory germination, seedling emergence, and seed vigor. The researchers said that CF can be a reliable tool to separate high-quality seeds from low-quality seeds in variously matured pepper seed lots, thus improving seedling production and uniformity through enhancing the seed lot vigor. (2013-10-21)

Seeds inherit memories from their mother
Seeds remain in a dormant state as long as environmental conditions are not ideal for germination. The depth of this sleep is inherited from their mother. UNIGE'Researchers reveal how this maternal imprint is transmitted through fragments of 'interfering' RNAs, which inactivate genes, and that a similar mechanism enables to transmit another imprint, that of the temperatures present during the development of the seed. This mechanism allows the seed to optimize the timing of its germination. (2019-03-26)

New insights into the earliest events of seed germination
Plant seeds can store their energy in a dry state for years, only to suddenly release it and germinate. How is energy in the seed made available? How can energy metabolism be started early and efficiently? An international team of researchers led by the University of Münster (Germany) has discovered that thiol redox switches play a key role in kick-starting the energy metabolism. The study has been published in ''PNAS''. (2019-12-27)

Not all carrot germplasm is the same -- in terms of salinity tolerance
A study out of The USDA Agricultural Research Service at the University of Wisconsin has evaluated the response of diverse carrot germplasm to salinity stress, identified salt-tolerant carrot germplasm that may be used by breeders, and defined appropriate screening criteria for assessing salt tolerance in germinating carrot seed. (2019-03-26)

Climate change threat to tropical plants
Half of the world's tropical plant species may struggle to germinate by 2070 because of global warming, a new UNSW study predicts. (2020-07-02)

Are cover crops negatively impacting row crops?
Research investigates if chemicals released by cover crops may be the cause for yield reductions (2020-07-30)

Development of heat-tolerant annual ryegrass germplasm
Researchers develop new annual ryegrass for earlier fall planting in the southeastern US. (2020-05-21)

New path to water efficient seeds opens as TIP pips PIP as water gatekeeper
Research by the University has opened up a new path to produce water efficient seeds. The research not only provides the best map to date of the key protein that appears to be the principal gateway for water intake during seed germination -- it also actually provides the right map as much previous research to date was focused on a much less relevant protein. (2011-02-24)

Smoke in the water: Understanding the effects of smoke compounds on seed germination
Wildfires, although seemingly destructive, play an important role in plant ecosystems. In ecosystems where it occurs regularly, exposure to fire may initiate seed germination or enhance plant growth. Compounds released as plant tissue burns can break seed dormancy and stimulate germination. In the March issue of Applications in Plant Sciences, an efficient system to produce smoke solutions is described to aid investigation of the role of smoke compounds in seed germination and seedling growth. (2014-02-28)

Plants 'talk' to plants to help them grow
Having a neighborly chat improves seed germination, finds research in BioMed Central's open access journal BMC Ecology. Even when other known means of communication, such as contact, chemical and light-mediated signals, are blocked, chilli seeds grow better when grown with basil plants. This suggests that plants are talking via nanomechanical vibrations. (2013-05-06)

Spring's rising soil temperatures see hormones wake seeds from their winter slumber
Dormant seeds in the soil detect and respond to seasonal changes in soil temperature by changing their sensitivity to plant hormones, new research by the University of Warwick has found. (2011-12-12)

A hot solution to bean sprout safety
Bacterial infection of mung bean seeds can cause outbreaks of food poisoning when the sprouts are eaten. Now research by a microbiologist from Nottingham University, UK, has shown ways of disinfecting the bean seeds using natural methods and which do not prevent the beans from sprouting. (2009-04-01)

Saddling up against the threat to our National Parks
A Griffith University research team has investigated the threat horse riding poses to the ecology of national parks around the world. And it seems there's a growing problem in horse dung. (2013-11-06)

New evidence that bacteria drive biodiversity in the Cape Floral Region
South African botanists have found evidence that the largest Cape geophyte genus, Oxalis, has developed a unique association with the bacterial genus Bacillus, that help it to fix nitrogen from the air and to perform extraordinary feats of germination. Furthermore, they proved that the Bacillus bacteria are so integrated into this symbiotic relationship that they are even inherited from mother plant to seed. This is the first report of such a system of vertical inheritance of endophyte bacteria for geophytes. (2019-10-30)

The genome of jojoba: The only plant to store wax in its seeds
Interest on Jojoba crop was, and still is, jojoba oil, which is not a glyceride fat, but a liquid wax with unique chemical configuration and features. 'Therefore, it raises the need to generate an overview on the oil deposit in relation to structural arrangement of seed,' says Dr. Ljudmilla Borisjuk, head of the research group Assimilate Allocation and NMR (AAN) at IPK. (2020-05-20)

Scientists seek answers on what activates deadly anthrax spores
Scientists at Wake Forest University Baptist Medical Center and three other institutions are setting out to find what activates the spores in anthrax, the deadly bacterial infection that is back in the news. (2005-03-30)

New Plant Mutation Produces Tap Root With Large Amounts Of Oil, Proteins, And Starch
A new mutation in Arabidopsis has been discovered that makes a tap root with large amounts of oils, proteins, and starch-- a discovery that could lead to genetically engineered plants that store commercially useful amounts of these materials. The discovery could also lead to the creation of more nutritious root crops to feed the world's burgeoning population. (1997-07-03)

Cigarette butts hamper plant growth -- study
Researchers have shown for the first time that cigarette butts reduce plant growth. Cigarette butts are the most common form of litter worldwide, with an estimated 4.5 trillion discarded annually. (2019-07-19)

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