i) Mass production of the Granulosis Virus of Chilo infuscatellus
ii) Mass production of the nuclear polyhedrosis virus Spodoptera litura
iii) Mass production of the nuclear polyhedrosis virus of Helicoverpa armigera
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ii) Mass production of the nuclear polyhedrosis virus Spodoptera litura
iii) Mass production of the nuclear polyhedrosis virus of Helicoverpa armigera