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Control criterion of cabbage worm on autumn cabbage and use of sequential sampling plan


Journal of Agricultural Sciences, Jiangsu Academy of Agricultural Sciences 3(1): 37-42
Control criterion of cabbage worm on autumn cabbage and use of sequential sampling plan
An attempt was made to determine the economic threshold of Pieris rapae on autumn cabbage in Jiangsu, China, in 1983-84. Third-instar larvae were introduced onto cabbage plants in the field and leaf discs were removed to simulate insect damage. There was a negative correlation between larval numbers and cabbage yields and a positive correlation between the leaf areas cut off and loss of yield.


Accession: 001554278



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