Ortho makes a tall yellow plastic container that has sulfur and a few
things else.

As you thought - a PH shift on these kills most things.

Guessing a lime might but perhaps more harsh base.
Sulfur creates an acid SO2/SO3 or SO4 depending on the others in use.

I'm not an expert - but have been doing things for many years on-off-on-off....


Martin

Martin H. Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
TSRA, Life; NRA LOH & Endowment Member, Golden Eagle, Patriot"s Medal.
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member.
http://lufkinced.com/


wrote:
I'm fairly new to roses and was wondering if someone could suggest a
variety. I am looking for a good, "Cut Rose" that I can cut and put
in a flower vase in the dining room every so often. I really dont
like to spray for black spot as often as every week. I have a
hybrid tea variety called Chilula (they were out of the Rio Samba
variety - which is what I REALLY LIKED) that i've barely kept alive
in a large pot...Im gonna have to transplant it to a better place in
my raised bed garden. I wondered if the black spot disease could be
eradicated before I transplant it... or should I trash the plant? I
thought about cutting the plant back and spraying it with a chemical
that would kill all the spores.. even thought of a 1:10 bleach
solution on the branches... I dont know... help please... I live in
Texas, near the Dallas area.



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