and killed them all
effectively, and we have no weevils of hickory or chestnuts now. That
is, as far as southern Canada is concerned. It would matter terribly if
we had any weevils of any kind. Anyone hear about the hickory and
chestnut weevil?

MEMBER: Standard directions are available for the control of weevils
both in chestnut and hickories.

MEMBER: There are practically no weevils in New York. The boundary line
would be about southern New Jersey. It doesn't make much progress
farther north. It's also absent toward the Southeastern and Gulf coasts.

MEMBER: That is an interesting discussion, but it is off the current
subject.

DR. ROHRBACHER: I am sure your project is interesting, manifested by the
questions you have been asked.

FOOTNOTES:

[Footnote 2: Horticulturist and Principal Horticulturist, respectively.
U. S. Department of Agriculture, Bureau Plant Industry, Soils and
Agricultural Engineering, Beltsville, Md.]

[Footnote 3: Number in parenthesis refer to literature cited, p. 25.]

The Filbert and Persian Walnut in Indiana

W. B. WARD, _Department of Horticulture, Purdue University_

The soils and climatic conditions in Indiana are, for the most part,
favorable to the growing of nut trees. There are various types of soils,
ranging from light sand to heavy clay, soils high and low in organic
material and natural fertility. The annual rainfall, 35 to 40 inches, is
fairly well distributed throughout the year. The length of the growing
season is about 150 frost-free days and, oftentimes, another 20 to 30
days of non-killing temperature. The summer and winter temperatures are
average, thus providing good conditions for the development of fruit and
growth to the trees.

There are always exceptions to the normal conditions, and a good test
season broadens the experience of those who want to go to the extreme in
planting nut trees. This past year, 1950-51 season, was a good test
year. The temperature early in November was as high as 85 deg., tomatoes,
peppers, beans, and sweet corn were growing in the gardens. During
mid-November the temperature quickly dropped to near zero. The cold
later went down to -20 deg. and even -35 deg., as recorded at Greensburg. This
cold weather, not only killed much of the tender short growth and
pistillate flower possibilities, but destroyed many of the catkins. The
filbert and Persian (including Carpathian) walnuts, suffered and in some
instances the plants were