On Sat, 31 Mar 2007 09:08:03 -0400, "Paul E. Lehmann"
The best thing is to eliminmate the grubs in the soil before they
become beetles. The long term solution is to use a product called
Milky Spore. It's an organic pathogen which is host specific. OR,
the use of beneficial nematodes is also a much faster way to get rid
of grubs in the soil. I don't know of anything which would repel
Japanese beetles, but I can tell you that if you use foliar sprays of
liquid seaweed weekly, the plants will be much healthier and will
repel the insects themselves. In general, insects are drawn to
unhealthy plants before they are drawn to healthy plants.
I have heard about the milky spore product but I
also heard that you need neighbors who will
cooperate and use it also because the beatles do
fly and they will just migrate in from nearby.
Also the beatles I have eat very healthy plants -
roses and young grape shoots - in addition to
On Sat, 31 Mar 2007 17:55:28 -0400, "Paul E. Lehmann"
It may be beneficial for you to invest in some Remay fabric to shelter
your grape plants till the June bugs are gone. Also, spraying with
pepper spray may be useful. Take two or three habernero peppers in a
blender with about two cups of water and an entire bulb of garlic.
Blend it, strain out the solids. Take the remaining concentrate and
put it into and empty gallon jug and fill with water. Use one cup per
gallon of spray, but make perfectly sure you strain out all solids or
your sprayer nozzle will clog. I use cheesecloth, or I should say I
used to use it. Now I am tolerant of insects or animals chewing on
things. I don't have a vinyard so I do understand why you'd like your
grapes to remain well.
This sounds like a good thing to try if one had
just a few vines but I have over 100 vines.
Getting rid of the Japanese beatles is important
since they eat the tips of shoots and very young
leaves. It just so happens that these are the
leaves that are producing most of the
photosynthesis at the time of year when the
beatles are active.
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