1) This was a comparative experiment on the efficacy of Sufanicotine and phosvel in orange orchards. Injury done insects to fruit trees occurs more frequently in Summer and Autumn sprigs, and these chemicals are more powerful repellents than usual ins...
1) This was a comparative experiment on the efficacy of Sufanicotine and phosvel in orange orchards. Injury done insects to fruit trees occurs more frequently in Summer and Autumn sprigs, and these chemicals are more powerful repellents than usual insecticides. Chemicals Therefore, were sprayed continually at intervals of 7 days from Spring to Autumn and efficacy of Chemicals were compared by the number of injured leaves on Summer sprigs.
2) Efficacy of phosvel was more excellent than that of Sulfanicotine.