Re: BOTRYTIS
- Subject: Re: [IGSROBIN] BOTRYTIS
- From: m* g*
- Date: Thu, 23 May 2002 07:29:20 -0600
I know exactly why my plant got botrytis. The weather here has been
cloudy, hazy, chilly, freezing all spring - in short miserable for man and
beast not to mention flowering plants. I had recently potted on several of
my dwarfs into plastic thinking they needed more foot room. I tend to
hover over them and water at the first sign of wilting leaves, in short: if
in doubt I water. They get afternoon sun from the southwest but this is
not California, it's Montana, a difficult and unpredictable climate close
to the mountains.
When I realized something was seriously wrong I dumped them out of the pots
and to my horror.... never mind, I needn't natter on! I've now got
cuttings in pure perlite sitting under lights. So far they are still
alive. Maybe I'll try "The Power of Prayer On Plants", something I read
years ago. Plus more common sense.
Maria
>I just came across some references to biocontrol of Botrytis on Cyclamen and
>Lily. Several antagonistic fungi have been used to control Botrytis
>including Ulocladium and Geocladium. I do not know if any biofungicides
>with these fungi are marketed but usually biocontrol is not easy. Best bet
>is strict hygiene, low humidity and good ventilation. Of course there is
>chemical control, especially if you are about to lose a favourite plant.
>
>Recent reference is
>Kohl et al., (1999) Biocontrol 44: 329-246
>
>David Shaw
>North Wales - near David Barrett but near sea level
