[compost_tea] Re:pretty close to compost tea!

From: dkemnitz2000 <dkemnitz2000_at_yahoo.com>
Date: Tue, 28 Sep 2004 03:07:57 -0000
---However there is one major difference.  Their microorganisms are
identified as 18 strains of Enterobacter and Pseudomonas.  Dennis






In compost_tea_at_yahoogroups.com, Jeff Lowenfels <jeff@g...> wrote:
>
> From: ARS News Service <NewsService_at_a...>
> Date: September 27, 2004 3:55:02 AM PDT
> To: ARS News subscriber <lonrom_at_h...>
> Subject: Bacteria Tackle Spud Woes
> Reply-To: ARS News Service <NewsService_at_a...>
>
> STORY LEAD:
> Bacteria Take on Late Blight, Sprouting and Dry Rot in Potatoes
> ___________________________________________
>
> ARS News Service
> Agricultural Research Service, USDA
> Jan Suszkiw, (301) 504-1630, jsuszkiw_at_a...
> September 27, 2004
> ___________________________________________
>
> Spraying potatoes with harmless bacteria that delay sprouting and
> suppress dry rots may also shield the tubers from late blight
disease,
> according to Agricultural Research Service scientists.
>
> Patricia Slininger and David Schisler at the ARS National Center
for
> Agricultural Utilization Research, Peoria, Ill., and colleagues
> patented methods for using 18 strains of Pseudomonas and
Enterobacter
> bacteria to stymie postharvest sprouting and dry rot. Caused by
the
> fungus Fusarium sambuciunum, dry rot costs $100 million in losses
in
> stored potatoes, which comprise 70 percent of the nation's $3
billion
> tuber crop.
>
> Recently, at annual meetings of the Society for Industrial
Microbiology
> and the American Phytopathological Society, the scientists
reported
> their discovery that the spray-on bacteria also stymie infection
of
> stored spuds by Phytophthora infestans, the funguslike organism
> responsible for late blight. This disease is a worldwide threat,
> causing $400 million in losses in the U.S. potato crop alone. The
> emergence of fungicide-resistant strains of late blight has
exacerbated
> the problem, according to Schisler, who is in the ARS center's
Crop
> Bioprotection Research Unit.
>
> To determine the beneficial bacteria's potential as a fungicide
> alternative, the Peoria team began by inoculating wounded potatoes
with
> both the bacteria and an infectious-spore stage of late blight.
After
> storing the potatoes for one week at 15 degrees Celsius and 90
percent
> relative humidity, the team checked the spuds for the telltale
signs of
> late blight: a shrunken surface with irregular brown patches
beneath.
> Their top bacterial "picks"--three strains of P. fluorescens and
one of
> E. cloacae--reduced late blight by 25 to 65 percent.
>
> In warehouse-simulation studies at the University of Idaho-
Kimberly,
> the team sprayed boxes of potatoes with mixtures of late blight
and the
> bacteria. In those studies, the bacteria curbed late blight by 35
to 91
> percent.
>
> The ARS team, together with University of Idaho scientists, will
> collaborate with a commercial firm to conduct further tests under
a
> cooperative research and development agreement.
>
> ARS is the U.S. Department of Agriculture's chief scientific
research
> agency.
> ___________________________________________
> Plant a Row in your garden to feed the hungry. Join Plant A Row
for the
> Hungry. Ask me how. www.gwaa.org/Par/index.html


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Received on Mon Sep 27 2004 - 23:45:45 EDT

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