Fig. 2.
LC50 of field populations according to the number of treatments. Group 1, 0 treatment; Group 2, 2-3 treatments; Group 3, 4-6 treatments; Group 4, more than 6 treatments.
LC50 of field populations according to the number of treatments. Group 1, 0 treatment; Group 2, 2-3 treatments; Group 3, 4-6 treatments; Group 4, more than 6 treatments.