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[NAFEX] Persimmon cuttings

From: rob hamilton <lostman_amiga@yahoo.com>
To: nafex@lists.ibiblio.org
Subject: [NAFEX] Persimmon cuttings
Date: Wed, 30 Apr 2003 04:59:29 -0700 (PDT)

I have a few left over persimmon scions from my first
grafting attempt. Can I root these? If so, what is
the best way of doing so?

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Subject: [NAFEX] FW: Aromatic Compound Deepens Red in Apples
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Of interest to the group.

----------
From: ARS News Service <NewsService@ars.usda.gov>
Reply-To: ARS News Service <NewsService@ars.usda.gov>
Date: Wed, 30 Apr 2003 07:09:08 -0400
To: ARS News subscriber <lonrom@hevanet.com>
Subject: Aromatic Compound Deepens Red in Apples

STORY LEAD:
Natural Aromatic Compound Deepens Red Coloring in Apples

___________________________________________

ARS News Service
Agricultural Research Service, USDA
Jan Suszkiw, (301) 504-1630, jsuszkiw@ars.usda.gov
April 30, 2003
___________________________________________

Spraying apples with the aromatic compound methyl jasmonate (MJ) before
harvest may offer a new way to improve the uniformity of the fruit's red
color. That's the implication of studies by Jim Mattheis, an
Agricultural Research Service plant physiologist who is exploring new
ways to improve the quality and marketability of apples, pears and other
fruit grown in the Pacific Northwest.

In jasmine and some other plants, MJ has many functions, including
mobilizing antimicrobial proteins. A sweet, flowery aroma also makes MJ
a popular cosmetics ingredient, and it is classified by the Food and
Drug Administration as a Generally Recognized As Safe substance.

Starting in 1998, Mattheis followed up on earlier research showing
that, when apples are exposed to light, MJ activates biochemical
processes in the peel that produce anthocyanin pigments. Along with
graduate student Dave Rudell and ARS food technologist Xuetong Fan,
Mattheis devised a water-based emulsion containing 2 percent or less MJ
and a surfactant that can be sprayed directly onto unpicked fruit.

Through lab and orchard trials with Red Delicious, Gala and other
varieties, the team discovered timing is crucial; some apples treated
too early in the season lost their red color by fall harvest. And too
much MJ sometimes harmed the fruit. But at concentrations of 2 percent
or less, no adverse effect or significant change in eating quality was
apparent, according to Mattheis, at ARS' Tree Fruit Research Station in
Wenatchee, Wash.

ARS, on behalf of the U.S. Department of Agriculture, has applied for
patent protection on the MJ apple treatment. One particular use may be
correcting uneven coloring in Fuji apples that have spent much of their
growing season in opaque bags. A more detailed article on the work is in
the May issue of Agricultural Research magazine, available on the World
Wide Web at:
http://www.ars.usda.gov/is/AR/archive/may03/apple0503.htm

ARS is USDA's chief scientific research agency.
___________________________________________

* This is one of the news reports that ARS Information distributes to
subscribers on weekdays.
* Start, stop or change an e-mail subscription at
www.ars.usda.gov/is/pr/subscribe.htm
* The latest news is always at www.ars.usda.gov/is/pr/thelatest.htm
* NewsService@ars.usda.gov | www.ars.usda.gov/is
* Phone (301) 504-1638 | fax (301) 504-1648

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<HTML>
<HEAD>
<TITLE>FW: Aromatic Compound Deepens Red in Apples</TITLE>
</HEAD>
<BODY>
Of interest to the group. 
 
---------- 
From: ARS News Service <NewsService@ars.usda.gov> 
Reply-To: ARS News Service <NewsService@ars.usda.gov> 
Date: Wed, 30 Apr 2003 07:09:08 -0400 
To: ARS News subscriber <lonrom@hevanet.com> 
Subject: Aromatic Compound Deepens Red in Apples 
 
<TT>STORY LEAD: 
Natural Aromatic Compound Deepens Red Coloring in Apples 
 
___________________________________________ 
 
ARS News Service 
Agricultural Research Service, USDA 
Jan Suszkiw, (301) 504-1630, jsuszkiw@ars.usda.gov 
April 30, 2003 
___________________________________________ 
 
Spraying apples with the aromatic compound methyl jasmonate (MJ) before 
harvest may offer a new way to improve the uniformity of the fruit's red<BR=
>
color. That's the implication of studies by Jim Mattheis, an 
Agricultural Research Service plant physiologist who is exploring new 
ways to improve the quality and marketability of apples, pears and other<BR=
>
fruit grown in the Pacific Northwest. 
 
In jasmine and some other plants, MJ has many functions, including 
mobilizing antimicrobial proteins. A sweet, flowery aroma also makes MJ 
a popular cosmetics ingredient, and it is classified by the Food and 
Drug Administration as a Generally Recognized As Safe substance. 
 
Starting in 1998, Mattheis followed up on earlier research showing 
that, when apples are exposed to light, MJ activates biochemical 
processes in the peel that produce anthocyanin pigments. Along with 
graduate student Dave Rudell and ARS food technologist Xuetong Fan, 
Mattheis devised a water-based emulsion containing 2 percent or less MJ 
and a surfactant that can be sprayed directly onto unpicked fruit. 
 
Through lab and orchard trials with Red Delicious, Gala and other 
varieties, the team discovered timing is crucial; some apples treated 
too early in the season lost their red color by fall harvest. And too 
much MJ sometimes harmed the fruit. But at concentrations of 2 percent 
or less, no adverse effect or significant change in eating quality was 
apparent, according to Mattheis, at ARS' Tree Fruit Research Station in 
Wenatchee, Wash. 
 
ARS, on behalf of the U.S. Department of Agriculture, has applied for 
patent protection on the MJ apple treatment. One particular use may be 
correcting uneven coloring in Fuji apples that have spent much of their 
growing season in opaque bags. A more detailed article on the work is in<BR=
>
the May issue of Agricultural Research magazine, available on the World 
Wide Web at: 
http://www.ars.usda.gov/is/AR/archive/may03/apple0503.htm 
 
ARS is USDA's chief scientific research agency. 
___________________________________________ 
 
* This is one of the news reports that ARS Information distributes to 
subscribers on weekdays. 
* Start, stop or change an e-mail subscription at 
www.ars.usda.gov/is/pr/subscribe.htm 
* The latest news is always at www.ars.usda.gov/is/pr/thelatest.htm 
* NewsService@ars.usda.gov | www.ars.usda.gov/is 
* Phone (301) 504-1638 | fax (301) 504-1648 
 
 
 
</TT>
</BODY>
</HTML>

--MS_Mac_OE_3134526405_27852_MIME_Part--

[NAFEX] Persimmon cuttings, rob hamilton, 04/30/2003
- Re: [NAFEX] Persimmon cuttings, Rooting, 04/30/2003