Fig. 1
From: Amino acids application enhances flowers insecticidal protein content in Bt cotton

The effect of application of 5 amino acids and 21 amino acids on flower Bt protein contents at flowering period in Bt cotton Sikang1(S1) and Sikang3 (S3). A1, A2, CK represented 5 amino acids treatment, 21 amino acids treatment, and the control, respectively. Differences between treatments within the same year labeled by the same letter are statistically not significant (LSD test at 0.05 significance level)