Reducing the risk of frost damage to short-season crops

MADISON, WI, JUNE 23, 2003 Scientists from Agriculture and Agri-Food Canada are investigating the importance of flowering and how to control it. Early flowering and maturity reduces the risk of frost damage and this is an important variety trait for soybeans grown in areas with short growing seasons.

Flowering time in soybeans is controlled by day length. Soybean plants will flower early during short days and will flower late during the long days of summer. Previous research has indicated that early flowering was the default condition when a plant either has no late flowering genes or is grown in short days. Late flowering occurs when late flowering genes are present in a plant and when they are activated by long days.

For this study, conducted from 2000-2002, scientists grafted soybean plants using a combination of early and late flowering plants and grew them under long days. Early flowering shoots flowered early regardless of the rootstock. This early flowering was seen even if the shoots were defoliated. Early flowering rootstocks speeded the flowering of grafted late flowering shoots. The full results of the study are published in the May/June issue of Crop Science.

"It was surprising to find that early flowering was a much more active process than we initially predicted. Early flowering grafts remained early flowering when grafted to late flowering rootstocks even when we removed the leaves. It appears whatever promotes flowering might be sensed in small, developing leaves or even buds. The control of flowering time in soybeans is complex and still is not well understood," said Elroy Cober, project leader.

For soybean producers on the northern fringe of Canada, early flowering and maturity are of primary importance. Further research into what controls early flowering will assist in the development of cultivars reliably adapted to these short growing seasons.


Contact: Sara Uttech
American Society of Agronomy

Page: 1

Related biology news :

1. Reducing allergens in the home helps inner-city children with asthma
2. Reducing primary chemical emissions does not always reduce pollution
3. Reducing sodium leads to substantial drop in blood pressure, finds NHLBI study
4. Reducing methane emissions could lower overall abatement costs
5. Reducing VOC: new polymer coating process combines high degree of flexibility with improved environmental properties
6. Discovery By Fertility Specialist Offers Promise Of Reducing Multiple BirthsTied To Fertility Treatment
7. New Chemical Processing Technique Being Studied At UW May Hold Key To CleaningUp Hanford, Reducing Industrial Waste
8. Veterans with Gulf War syndrome have damage in specific, primitive portion of nervous system
9. New way to protect brain from stroke damage
10. Broken arms and collateral damage: clues to predator-driven evolution
11. New fumigant to replace gas that damages ozone layer

Post Your Comments:

(Date:4/11/2017)... Florida , April 11, 2017 ... a security technology company, announces the appointment of independent Directors ... Bendheim to its Board of Directors, furthering the company,s ... ... of NXT-ID, we look forward to their guidance and benefiting ...
(Date:4/5/2017)... 2017 KEY FINDINGS The global ... a CAGR of 25.76% during the forecast period of ... factor for the growth of the stem cell market. ... MARKET INSIGHTS The global stem cell market is ... geography. The stem cell market of the product is ...
(Date:3/30/2017)... , March 30, 2017 The research team ... for three-dimensional (3D) fingerprint identification by adopting ground breaking 3D fingerprint ... new realm of speed and accuracy for use in identification, crime ... affordable cost. ... A ...
Breaking Biology News(10 mins):
(Date:10/10/2017)... ... , ... Dr. Bob Harman, founder and CEO of VetStem Biopharma, Inc. ... The event entitled “Stem Cells and Their Regenerative Powers,” was held on August ... MPVM was joined by two human doctors: Peter B. Hanson, M.D., Chief of Orthopedic ...
(Date:10/10/2017)... SANTA BARBARA, CALIFORNIA (PRWEB) , ... October 10, ... ... risk management, technological innovation and business process optimization firm for the life sciences ... the BoxWorks conference in San Francisco. , The presentation, “Automating GxP ...
(Date:10/9/2017)... ... October 09, 2017 , ... The award-winning American Farmer television series ... 2018. American Farmer airs Tuesdays at 8:30aET on RFD-TV. , With global population ... challenge of how to continue to feed a growing nation. At the same time, ...
(Date:10/9/2017)... (PRWEB) , ... October 09, ... ... published on October 5, 2017, in the medical journal, Epilepsia, Brain Sentinel’s ... the gold standard, video EEG, in detecting generalized tonic-clonic seizures (GTCS) using ...
Breaking Biology Technology:
Cached News: