Appendix to the Journals of the Senate and Assembly of the ..session of the Legislature of the State of California . o avoid allowing the limeto come in contact with the bark. An ordinary shovelful to a full-grown tree is the usual dose. Smaller trees must be treated in propor-tion, as this material is very apt to do injury to the tree if an overdosebe applied. Where gas-lime can not be obtained, wood ashes applied inthe same manner have given good results. For the summer brood,aerial or branch form, as it is called, the same remedy as recommendedfor the apple-tree louse should be applied. Bla
Appendix to the Journals of the Senate and Assembly of the ..session of the Legislature of the State of California . o avoid allowing the limeto come in contact with the bark. An ordinary shovelful to a full-grown tree is the usual dose. Smaller trees must be treated in propor-tion, as this material is very apt to do injury to the tree if an overdosebe applied. Where gas-lime can not be obtained, wood ashes applied inthe same manner have given good results. For the summer brood,aerial or branch form, as it is called, the same remedy as recommendedfor the apple-tree louse should be applied. Black Peach Aphis {Aphis persica-niger). (Fig. 5.) This pest has been reported from some of thenorthern counties during the sea-son. This species was introducedfrom the Eastern States severalyears ago into some of the north-ern districts, where the countiesdid not avail themselves of thehorticultural protection providedfor by our statutes. This insect isone of the most dangerous foes ofthe peach tree, and should bestamped out wherever found. Itis a small brownish-black insect, and exists in the wingless as well as. Fig. 5. Black Peach Aphis (Aphispersica-nigra). 110 EEPORT OF THE COMMISSIONER OF HORTICULTURE.
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