The gardener's magazine and register of rural & domestic improvement (1826)
Loudon, J. C. (John Claudius), 1783-1843, A. & R. Spottiswoode, printer, United States. Patent Office. Scientific Library, former owner DSI · London : Longman, Rees, Orme, Brown and Green · leaf 472
riably been attacked every springsoon after the buds burst out into leaf, with thousands of green flies, whichgenerally make their appearance on the commencement of northerly or easterlywinds, the tree has never had a ripe crop of fruit upon it since planted. Theseinsects continue upon the leaves… … Queries and Suggestions. 4.71 the second sap, the leaves again shoot forth, which gratifies the eye, but adieu tothe fruit. Several remedies have been tried, but none have hitherto had thedesired effect. In this extremity, therefore, I have taken the liberty to makethe above request, and shall be…