One Thousand Questions in California Agriculture Answered by Edward J. (Edward James) Wickson
page 55 of 564 (09%)
page 55 of 564 (09%)
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Resistant Apple Roots. A few apple trees which are almost dead from ravages of the woolly aphis. I am going to dig them out and plant in their places other apple trees on woolly aphis-proof root. Will it be necessary to use measures to exterminate the woolly aphis in the old roots or their places in the ground before planting new trees in the places of the removed trees? It is not necessary to undertake to kill aphis in the ground when you are planting apple trees on resistant roots. It will give your trees a better start to dig large holes, throw out the old soil, and fill in with some new soil from another part of the land to be planted, but it has been demonstrated that these roots are resistant, no matter if planted in the midst of infestation. Apples and Cherries for a Hot Place. What kind of apple do you think would do best in a dry, hot climate? What do you think of the Early Richmond cherry in such a place? Apples most likely to succeed in a dry situation are those which ripen |
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