MR. McDANIEL: These trees were very vigorous.
DR. MacDANIELS: How many growers of nut trees have this bunch disease on their property?
MR. KINTZEL: Black walnuts?
DR. MacDANIELS: On anything at all. (Showing of hands.) There are at least a dozen.
When Mr. Burgart up in Michigan finds out that the limiting factor practically cleans him out, there is this question of bunch disease with witches'-broom resulting from ground deficiency. I know in the Wright plantings in the vicinity of Westfield they had brooming trees of the Japanese walnut which apparently recovered after treatment with zinc. And, of course, we know on the West Coast you get witches'-broom in the Persian walnut which cannot be cured by zinc.
Is there any other discussion on this point?
(No response.)
We will go on to the next paper.
MR. CORSAN: Anybody passing through Toronto can drop in and see my
Japanese walnuts with 24 to the cluster and not a sign of bunch disease.
DR. MacDANIELS: Yes, you may not have the bunch disease near you. We hope you haven't.