Technical Development of Microencapsulated Artificial Diets for Mallada basalis Walker
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Lee, Wen Tai
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Abstract
Description
A prototypical machine with control of temperature, pressure and fluid level was set up to make microcapsulated artificial diets for mass rearing of Mallada basalis Walker. The best conditions to make microcapsules were obtained by maintaining the temperatures of diet and wax tank at 50±5? and 125±5?, a pressure of diet tank at 0.7-0.8 kg/cm2, and keeping the needle-tip within 1 mm below the wax surface. Under these conditions microcapsules about 465?m in diameter and 10?m in thickness were produced with 90% success. When M. basalis larvae were reared with the microencapsulated artificial diets modified from Hassan and Hagen's formula, 90% of individuals reached the adult stage in 20.7 days and the females deposited 348.5 eggs on average. The results were comparable with those from rearing with eggs of Corcyra cephalonica or Aphis glycines. The microencapsulated artificial diet developed in this work seems promising for mass rearing of M. basalis.
Originating text in Chinese.
Citation: Lee, Wen Tai. (1994). Technical Development of Microencapsulated Artificial Diets for Mallada basalis Walker. Chinese Journal of Entomology (Taiwan), 14(1), 47-52.
Originating text in Chinese.
Citation: Lee, Wen Tai. (1994). Technical Development of Microencapsulated Artificial Diets for Mallada basalis Walker. Chinese Journal of Entomology (Taiwan), 14(1), 47-52.
Keywords
Artificial diet, Microcapsule, Mallada basalis
