OCR Text |
Show S:rav From Under Trees to Control Aphid Tests It Is eitrmely dlSeult to control i;i-isoa apple trees by spraying ua- 'ss i systematic method Is f.iiloaej . i ?;ri;L-.j each tree. Ia experiments :::ej In apple orchards In west-j west-j n Ne lork by the entoruol.-is-s of -! New Tori experiment station at '-:"!, N. I, It was found that w hen was done from the top of the n? urk the results were quite un-" un-" --- iae to the fact that the In-J, In-J, e"J wtfrefated on the lower :-es of the trees where the spray ( -'-t failed to reach them. At the j1- tine. In orchards where the sta-T,rar sta-T,rar system was followed. In '.; "--A ti.e spraying was done from the i- -land under the trees, practically :.' v-;le:e control of the .ets was ac- : h :-e station method, the spray ot--.1 'dpped with a siitllclent length n -- Hit to enable the nozr.!cman to or - t from the ground and under the Uf t'-en takes up certain desltf-f"i!ti,'ns desltf-f"i!ti,'ns In spraying each tree ;!J '- -J Insure the spray mixture reach-i reach-i underside of every branch and ,, Ef moving from place to place it taituliilng a pressure of at p , - pounds at tlie spray tank. It .:.rri Ihat ach tree can be com-;, com-;, vered In a relatively short li:e station tests nn.l spray svs-v svs-v fully described In bulletin IS7 - .-- may be obtained from the sta- -'?,.f char8e. New York Ex-f Ex-f -t Station. |