Experimental results on katkwangtung found that vegetables come la kite Green. 2 10 and 20 ppm concentration affects the length of the lamina and petiole length ratio per length of the lamina.
The results found in lettuce Cantonese Malachite Green 2 concentrations 10 and 20 ppm affect the long blade and petiole length ratio between the length of the blade.
The experiment on cabbage Cantonese found that malachite green, concentration and 2 10 20 ppm. Affect the length ratio between leaf and petiole length to the length of the leaf.