Featured Research

from universities, journals, and other organizations

Fuji Apples, Popular Apple Variety, Harbor Unusual Cell Growth

Date:
March 26, 2008
Source:
Norwich BioScience Institutes
Summary:
A scientist has discovered callus hair growth while imaging Fuji apples. The variety was developed in Japan, but is widely grown in the Southern Hemisphere, China, Southern Europe and the USA. It is a cross between Ralls Janet and Red Delicious, and is itself used as a parent in breeding programs.

Scanning Electron Micrograph of Fuji apples showing extensive branching of callus hairs.
Credit: Mary Parker, IFR

A UK scientist has discovered clumps of previously-unreported callus hairs growing in the flesh of mature apples of Fuji and closely-related varieties, which may have storage implications for commercial growers.

"To find out something new about apples is really exciting", says Dr Mary Parker of the Institute of Food Research. "Apples have been cultivated for about as long as human history and Fuji apples are particularly prized for their crispness, sweet flavour and keeping qualities ."

The variety was developed in Japan, but is widely grown in the Southern Hemisphere, China, Southern Europe and the USA. It is a cross between Ralls Janet and Red Delicious, and is itself used as a parent in breeding programmes.

"The reason these hairs have not been spotted before is probably because the full extent of their growth can only be appreciated in 3D", says Dr Parker.

Dr Parker used light microscopy and scanning electron microscopy to reveal clumps of small, elongated and branched cells in the air spaces between cells. She named them callus hairs because of their resemblance to the cells which make up the white velvety tufts (sometimes mistaken for fungus) which develop around the seeds in some apple varieties.

The presence of callus hairs filling the airspaces of mature Fuji could account for the susceptibility of late-harvested apples to internal browning. Unrestricted gas flow through the fruit is vital for successful long-term storage particularly in modified atmospheres. Callus hair growth, with its own oxygen requirement and carbon dioxide output, may reduce the efficiency of gas transport through the spaces between cells.

"With this new knowledge, breeders could pick parent varieties with all the positive traits of Fuji apples but with less-developed callus hairs", says Dr Parker. The presence or absence of callus hairs could also be used to test the authenticity of dried apples labelled as Fuji.

Preliminary studies have shown that callus hairs are rich in phytonutrients but may also contain allergens. Further investigations are needed to establish how growth conditions and orchard management affect the extent of callus hair development.


Story Source:

The above story is based on materials provided by Norwich BioScience Institutes. Note: Materials may be edited for content and length.


Cite This Page:

Norwich BioScience Institutes. "Fuji Apples, Popular Apple Variety, Harbor Unusual Cell Growth." ScienceDaily. ScienceDaily, 26 March 2008. <www.sciencedaily.com/releases/2008/03/080325100112.htm>.
Norwich BioScience Institutes. (2008, March 26). Fuji Apples, Popular Apple Variety, Harbor Unusual Cell Growth. ScienceDaily. Retrieved September 21, 2014 from www.sciencedaily.com/releases/2008/03/080325100112.htm
Norwich BioScience Institutes. "Fuji Apples, Popular Apple Variety, Harbor Unusual Cell Growth." ScienceDaily. www.sciencedaily.com/releases/2008/03/080325100112.htm (accessed September 21, 2014).

Share This



More Plants & Animals News

Sunday, September 21, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Raw: San Diego Zoo Welcomes Cheetah Cubs

Raw: San Diego Zoo Welcomes Cheetah Cubs

AP (Sep. 20, 2014) The San Diego Zoo has welcomed two Cheetah cubs to its Safari Park. The nearly three-week-old female cubs are being hand fed and are receiving around the clock care. (Sept. 20) Video provided by AP
Powered by NewsLook.com
Chocolate Museum Opens in Brussels

Chocolate Museum Opens in Brussels

AFP (Sep. 19, 2014) Considered a "national heritage" in Belgium, chocolate now has a new museum in Brussels. In a former chocolate factory, visitors to the permanent exhibition spaces, workshops and tastings can discover derivatives of the cocoa bean. Duration: 01:00 Video provided by AFP
Powered by NewsLook.com
Could Grief Affect The Immune Systems Of Senior Citizens?

Could Grief Affect The Immune Systems Of Senior Citizens?

Newsy (Sep. 19, 2014) The study found elderly people are much more likely to become susceptible to infection than younger adults going though a similar situation. Video provided by Newsy
Powered by NewsLook.com
Jury Delivers Verdict in Salmonella Trial

Jury Delivers Verdict in Salmonella Trial

AP (Sep. 19, 2014) A federal jury has convicted three people in connection with an outbreak of salmonella poisoning five years ago that sickened hundreds of people and was linked to a number of deaths. (Sept. 19) Video provided by AP
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins