Automatic and Rapid Discrimination of Cotton Genotypes by Near Infrared Spectroscopy and Chemometrics

Figure 3

Some of the NIR spectra of cotton seeds preprocessed by (a) smoothing, (b) second-order derivative, and (c) SNV. The genotypes were (1) parent 222, (2) transgenic 07-19, and (3) hybrid 08-6.

(a)

(b)

(c)