Harrisons' nurseries : "nurserymen - orchardists" . o make20 to 30 gals. : then strain the milk of lime into the barrel, agitating themixture vigorously. Add water to make 50 gals. Use immediately. STOCK SOLUTIONS: Dissolve blue-stone at rate of 1 lb. to 1 gal. water. vSlake lime anddilute at rate of 1 lb. to 1 gal. Keep in separate covered containersuntil ready to make bordeaux according to above formula. Preparedbordeaux, either drv or in paste, or Pyrox may be substituted. 4. ARSENICALS: Arsenate of lead is the standard stomach poison. It is furnished inboth the powder and paste form. The p
Harrisons' nurseries : "nurserymen - orchardists" . o make20 to 30 gals. : then strain the milk of lime into the barrel, agitating themixture vigorously. Add water to make 50 gals. Use immediately. STOCK SOLUTIONS: Dissolve blue-stone at rate of 1 lb. to 1 gal. water. vSlake lime anddilute at rate of 1 lb. to 1 gal. Keep in separate covered containersuntil ready to make bordeaux according to above formula. Preparedbordeaux, either drv or in paste, or Pyrox may be substituted. 4. ARSENICALS: Arsenate of lead is the standard stomach poison. It is furnished inboth the powder and paste form. The powder is much the easier to useas it can be used dry, as a dust, or combined with liquids. The pasteis not easily kept for any length of time because of evaporation, andhence cannot be held over from one season to another as easily as thepowder. Arsenate of lime is effective for truck crops and is about two centscheaper per pound. Arsenite of zinc is a quick-acting poison, valuablefor truck-crop work. 12 HARRISONS NURSERIES, BERLIN, MD., tJ. S. Peach Trees in Nursery Row All of the above powdered materials should be used at the rate of 1lb. per 50 gals, of spray for the ordinary insects. Beetles usually re-quire 1% lbs. per 50 gals. Twice as much paste would be required ineach case. Any of the poisons may be combined with the spray fordiseases. 6. NICOTINE SPRAYS.—Nicotine in various forms and under such trade name as Black-Leaf 40, may be purchased from manufac-turers, and should be used as directed in the schedule for aphis. 7. PINE-TAR CREOSOTE EMULSION: Pine-tar creosote 1 gal. Caustic soda 2/3 ib. Water 11 gals. _ Dissolve the caustic soda in 1 gal. water in a large vessel; stir invigorously the creosote, add 11 gals, water to make an 8% solution andstrain into spray barrel. Used for woolly WORMING PEACH TREES: The knife and a flexible wire is still the best method for combatingthe peach-tree borer. Pull the earth away from the tree crowns oneday prior to w
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Keywords: ., bookauthorhenryggi, bookcentury1900, bookdecade1920, bookyear1921
