Hello, Vincent —
I believe that the problem Brian had in the year where 6 step sprays were
required was lack of chilling hours to complete dormancy. If apples do not get
enough chilling, they produce flower buds over a very long interval, and new
flowers just keep opening.
Concerning
Hi, I’m late in this exchange, but my grain of salt…
First, I entirely agree with Dave… except for this:
would argue that strep is still the cheapest, most effective, and most proven
product for controlling blossom blight, and I see no reason to use other
products except where strep resistance
Hi!
Thanks for the follow-up information, Brian. Using six strep sprays during
bloom, while I can see how it may be necessary,
Actually, I don’t understand how 6 sprays on the same flowers can be necessary.
Once open flowers are sprayed with strep, the likelihood of building a
sufficient
Good point Vincent!
Makes sense to me.
Kerik
At the end of the day, when a number of trials give results “at par”
with strep, I don’t see how we can argue that ‘more bacteria survive’
--
Kerik D. Cox, Ph.D., Associate Professor
Plant Pathology and Plant-Microbe Biology Section
School of
