153 



289. . 1979. Egg planter for a boll weevil mass-rearing operation. 



U.S. Sci. Educ. Adm. Adv. Agric. Technol. South. Ser. (ISSN 0193-3728), 



No. 6, 5 pp. 

 Equipment used in a mass-rearing operation to plant boll weevil eggs must 

 aseptically handle, accurately meter, and uniformly disperse the eggs on the 

 surface of the congealed larval rearing medium. The egg planter described is 

 part of a mechanized in-line operation and consists of several components, 

 including a filler to meter and a spray nozzle to disperse the eggs on the 

 surface of the medium. The equipment is capable of planting boll weevil eggs 

 at the capacity of the production line, 14 to 15 trays per minute, or about 2 

 to 2 1/4 million egg per hour. Only the minor task of changing the holding 

 jars containing the egg suspension is still performed manually. 



290. . 1979. Equipment for cooling larval diet in a boll weevil mass- 

 rearing operation. U.S. Sci. Educ. Adm. Adv. Agric. Technol. South. 

 Ser. (ISSN 0193-3728), No. 1, 3 pp. 



In the mechanized in-line operation used to plant boll weevil eggs, sterile larval 

 diet must be cooled after being dispensed into rearing trays so that it is solid 

 enough to support the eggs that are placed on the diet surface. The cooling 

 system consists of a refrigerated tunnel through which the trays of warm diet 

 «-'-paBS and into which cold, filtered air is blown. The equipmerft is capable of 

 cooling the trays of diet at the capacity of the production line (14 trays per 

 minute) and helps to prevent microbial contamination of the diet. 



291. . 1979. "Rackveyor" for use in mass rearing of boll weevils. U.S. 

 Sci. Educ. Adm. Adv. Agric. Technol. South. Ser. (ISSN 0193-3728), No. 4, 

 3 pp. 



The trays of larval diet and eggs in a boll weevil mass-rearing operation must 

 be maintained in the proper environment while being conveyed from place to 



