| abstract |
The invention discloses a preparation method of Spodoptera litura nuclear polyhedrosis virus, wherein the method comprises the following steps: (1) virus concentration; (2) cell culture; (3) virus inoculation and other steps. The method of the invention can effectively improve the production efficiency of the polyhedrosis virus on the original basis, shorten the production cycle of the polyhedrosis virus, and reduce the production cost. The Spodoptera litura nuclear polyhedrosis virus obtained according to the preparation method of the present invention has strong specificity, has special effects on Spodoptera litura, is safe for humans, animals and other organisms, has outstanding effects on drug resistance and stubborn pests, and does not produce drug resistance after use. |