Re: CULT: stinky plague/rot

Around here, this form of bacterial soft rot is most common on
vulnerable varieties after weather has been wet and warm, then turns hot
and humid. This usually = dead before long, & = hybridized in relatively
low rainfall/low humidity regions like Oz & California & some other
places west of the Mississippi.  It usually starts in the leaves, but if
we don't get good drying conditions (which we often don't while irises
are actively growing), it will turn the rhizome to mush as well.

This stuff stinks to high heaven.  I don't know if bacterial leaf spot
stinks or not.  I see leaf spot, especially when the aphids get ahead of
the lady bugs, but I never have paid much attention to it & don't know
if mine is bacterial, fungal, or both.

I said:
> When we had an ag extension person talk to our group a few years ago,
> she told us that bacterial soft rot 'usually' starts this way (from
the
> leaf tips downward).  I thought bacterial leaf spot started from spots

> on the leaf, not a general rotting of the entire leaf from the edges
> down.

And Christy in Washington state replied:
<We usually see this type of leaf rot here with late spring frosts and
damp
conditions. The tips of the leaves are injured and the rot takes
advantage.>

Linda Mann east Tennessee USA zone 7/8




 

Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index