DR. MORRIS: I got in late.
MR. HUNT: I sprayed fifteen times, every two or three days during the blossoming season.
DR. MORRIS: I used arsenate of lead with my Bordeaux mixture for the reason that it is convenient. That makes it stick ever so much tighter. Now, that may be a feature of my confidence. Three or four heavy storms will not wash off my Bordeaux mixed, applied in that way, with arsenate of lead.
MR. HUNT: Well, my trees are dying right along.
DR. MORRIS: I am right in the midst of the worst chestnut blight conditions. The only kinds I have that are not blighted are sprayed trees, and chestnuts of kind that resist the blight. I had twenty-six kinds from different parts of the world to test out in the blight question. One kind from Manchuria is very blight-resistant. I find that our American chinquapin, both our eastern form and the western tree form are both blight-resistant. Also the alder-leaf chestnut. That is my experience. Those four chestnuts are practically immune, and on my property American chestnuts dying all around them.
I have one particular variety of American chestnut that I think a great deal of. It was one of the first trees to go down from the blight. Stump sprouts from this tree I have grafted on other stocks, on the common American, and recently on chinquapin. The sprayed ones are all alive; the unsprayed ones are not alive. Now, that is a matter of locality, perhaps.
THE PRESIDENT: Dr. Morris, I detect a possible explanation for difference of results. Mr. Hunt's trees were sixteen or seventeen years old. Dr. Metcalf tells us, however, that young trees are relatively immune. How old are yours?
DR. MORRIS: Not over twelve years. No grafts on them over four years.
That would make a difference.
MR. LITTLEPAGE: Well, Mr. Hunt did a good job of spraying. I saw his trees, and they were saturated.
MR. WEBER: Do they ever use a sticker in the Bordeaux?