(34) 
(35) 
(36) 
(37) 
(33) 
(39) 
(40) 
(41) 
(42) 
(43) 
(44) 
CALIFORNIA FRUIT GEOEEPS' EECFA1TC-S, BUREAU OF PEST CONTROL 
1935. Preliminary results of nev/ citrus sprays against black 
scale. Exch, Pest Control Cir, 11: 1-3, November. 
36, So-called "non-oil" sprays. The use of Selocide in the 
Rivera-Dovrney-Whittier area. Exch. Pest Control Cir, 
20: 2, 3. August, 
1937. The scale control program for August. 
trol Cir. 32: 4„ August, 
Exch. Pest Con- 
193. , Citricola scale. Exch. Pest Control Cir. 33: 3. September 
1938 Importance of winter red scale treatment. Exch., Pest 
Control Cir. 38: 2-3. February. 
IS 38. Water rot again appears in oil-sprayed navel orachards. 
led spider. Exch. Pest Control Cir. 39: 5-6. March. 
1938. Present spider condition. Exch. Pest Control Cir, 41, 
4 pp. W y. 
17<58, General insect conditions in Southern California, Exch, 
Pest Control Cir. 42, 4 pp. June. 
1938. [Derris-oil] Exch. Pest Control Cir. 43: 4. July. 
1938. Lov; dosage rotenone-cil products for red scale. Exch, 
Pest Control Cir. 47: 3-4. November, 
1959, Treatment of black scale should be hastened. Exch. Pest 
Control Cir. 57: 1. September, 
(45) — -— 
1939, Black and citricola scales, Exch. Pest Control. Cir, 
58: 2. October. 
(46) 
1939. Black and citricola scale in interior areas. 
Control Cir, 59, 4 pp, Eovem.be r. 
xch. Pest 
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