. Fruits, vegetables and flowers, a non-technical manual for their culture. iurtesting 33°Bauni6, dilutedat the rate of 1-10 (.r 11. Plant Lice{Aphididcc).— Many si^ecies of plant lice are found upon the various fniit trees grownin this eountrj. They feed by sucking the sap from the leaves andstems and thus do considerable injury at times. Some sjx^cies curl theleaves aVjout them so that they arc very- difficult to reach with a sprayunless the treatment is made before the attack becomes severe. Thetreatment for all aerial forms is ])ractically the same. Treatment.—Sj)ray carefully with a 40 ]&
. Fruits, vegetables and flowers, a non-technical manual for their culture. iurtesting 33°Bauni6, dilutedat the rate of 1-10 (.r 11. Plant Lice{Aphididcc).— Many si^ecies of plant lice are found upon the various fniit trees grownin this eountrj. They feed by sucking the sap from the leaves andstems and thus do considerable injury at times. Some sjx^cies curl theleaves aVjout them so that they arc very- difficult to reach with a sprayunless the treatment is made before the attack becomes severe. Thetreatment for all aerial forms is ])ractically the same. Treatment.—Sj)ray carefully with a 40 ]>er cent nicotine sulphate solu-tion diluted at the rate of 1 part to 800 parts of water, lx>ing sure to touchall insects with the spray. A kerosene cnmlsion spray is also good if usedat the 8 or 10 per cent strength. Plum Curculio (Conotrachrhts nenuphar, Hubst.).—On apples thisinsect injures the fruit by defomiing or scarring it by its feeding and egg-laying pimctures. Treatment.—Spray as for codling moth, except that one additional * Bur. Eat. Cir. Pka—IVrnalc pupa. E—Malo i)upa. F—Pupa skin extrudedjjarUally from cocoon. All natural size.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectvegetablegardeningfr
