For A.J. Phillips.......about Rhizoctonia
scpl6023 at bureau.ucc.ie
scpl6023 at bureau.ucc.ie
Wed Aug 21 15:02:48 EST 1996
Dear Prof. Phillips,
I am sending this message through the news group as I don't
seem to be able to get through to your personal number.
Thank you so much for your information. This morning I found
your paper from the Canadian Journal of Micro. and I have a few
questions that I would hope that you can help me with.
1) The liquid media you used is referenced Weinhold 1969 in
Phytopathology
I tried to grow Rhizoctonia in Peptone Yeast Glucose Media
but I didn't
get satisfactory results. Is this medium too rich?
The ingredients are as follows
Peptone 5.0g
Yeast Extract 20.0g
Glucose 10.0g
KH2PO4 1.0g
MgSO4.7H2O 0.5g
Distilled Water 1 Litre
(Biochemical techniques for Filamentous Fungi, Paterson & Bridge
1994)
I don't have the journal that Weinhold published in and I
wonder if you
could send me the ingredients for the liquid medium used
there to
compare with what I have been trying?
2) After harvesting the mycelium they are washed in 3 changes
of SDW does
this mean centrifuging? If so would it be along the lines
of 10,000 X g for 10 mins?
3) Lastly, in your last message you suggest a rate of 0.25g of
fresh weight
mycelia / Kg of soil. Does this mean weigh after collection
in the
Buchner flask directly or do you oven - dry it before
weighing
Also I'm working with peat and compost...do you think that
will make a huge difference?
Sorry for all the questions and I hope you won't regret answering my
initial
request!
In appreciation,
Susan Rafferty :->
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