THE BEACH PLUM 



15 



Spray Schedule for Beach Plums 



When to Spray 



What to Use 

 (in 50 gallons) 



To Control 



1. Spring Dormant 



before buds break. 



Lime Sulfur (liquid 33^ gals, 

 or dry 14 lb.) 



Plum Pockets 

 Black Knot 



2. Pre-Blossom — 



just before blossoms 

 open. 



Lime Sulfur (liquid 1 gal. 



or dry 4 lb.) 

 Lime 4 lb. (Note 1) 

 Raw Linseed Oil or Fish Oil 



Yi pint (Note 2) 

 Lead Arsenate 2 lb. (Note 3) 



Plum Pockets 

 Black Knot 

 Tent Caterpillar 



3. Petal Fall — 



when 90% of petals 

 have fallen. 

 (Note 4) 



Wettable Sulfur (as recom- 

 mended by manufacturer) 



Lime 4 lb. (Note 1) 



Raw Linseed Oil or Fish Oil 

 y^ pint (Note 2) 



Lead Arsenate 2 lb. (Note 3) 



Plum Pockets 

 Black Knot 

 Tent Caterpillar 

 Leaf Spot 

 Brown Rot 



4. Shuck — 



as shucks fall. 



Same as Petal Fall 



Leaf Spot 

 Curculio 

 Brown Rot 

 Plum Pockets 

 Black Knot 

 Tent Caterpillar 



5. First Cover — 



7 days after Shuck. 



Same as Petal Fall 



Leaf Spot 

 Brown Rot 

 Black Knot 

 Curculio 



6. Second Cover — 



14 days after Shuck. 

 (Note 5) 



Wettable Sulfur (as recom- Leaf Spot 



mended by manufacturer) Brown Rot 



Note 1. Use only a freshly hydrated, 300-mesh, high-calcium (70% calcium oxide) lime. 



Note 2. Directions for mixing: In a separate container, wet the lead arsenate to make a thick 

 paste; add fish oil or raw linseed oil and stir to the consistency of paint: dilute with 

 water and pour into tank. 



Note 3. Always add lead arsenate last. 



Note 4. To avoid the possibility of killing bees and other pollinating insects, do not apply this 

 spray before 90% of the petals have fallen. 



Note 5. To avoid residues of arsenic or lead above the federal tolerance, do not harvest sprayed 

 fruit within six weeks after the last application. 



