. Annual report of the Missouri State Board of Agriculture. Missouri. State Board of Agriculture; Agriculture -- Missouri. 574 Missouri Agricidtwnl Report. poison should be made after the leaves come out, at about the time the cluster buds are separating. This application comes at the time for the first scab spraying, and can well be made in combina- tion with it. PEACH BORER. The peach borer is without question the most common and the most destructive insect affecting peach trees, and is a pest that has generally given growers no little trouble and concern. A method of control has recently be
. Annual report of the Missouri State Board of Agriculture. Missouri. State Board of Agriculture; Agriculture -- Missouri. 574 Missouri Agricidtwnl Report. poison should be made after the leaves come out, at about the time the cluster buds are separating. This application comes at the time for the first scab spraying, and can well be made in combina- tion with it. PEACH BORER. The peach borer is without question the most common and the most destructive insect affecting peach trees, and is a pest that has generally given growers no little trouble and concern. A method of control has recently been recommended by the California experiment station, which has proven very effective, satisfactory and easily applied. The remedy consists of painting the trunks and crown of the trees with hot asphalt. The dirt is removed from about the crown of the tree. Hard asphalt of the grade C and D is melted in a kettle. The oper- ation of heating should be stopped at a point where a small portion of the asphalt remains unmelted and floats on the top of the kettle. If the heating is discontinued at this point it is then possible to carry the kettle from tree to tree with little or no inconvenience from the hot asphalt. The prepara- tion is then applied with a brush, giv- ing one or two coats. This treatment is reported as being very effective, not only for preventing borers from getting into the trees, but also for destroying those already in. SAN JOSE SCALE. In some localities of the State San Jose scale is a serious menace to the orchardists and is a trouble not likely to be eradicated when, it once appears in a community, although it may be held in check by timely spray- ing. If the infestation has become serious before it is noticed, two applications will likely be necessary the first season. The first one should be made as soon after the trees become dormant in the fall as possible; the second one as late iA the spring before growth. San Jose scale on peach. Larger twig encrusted.
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