Effect of Botanical Insecticide of Macleya Cordata on Physiology and Biochemistry of Cabbage (Brassica oleracea L.)

The effect of Cyhalothrin and botanical insecticide of Macleya cordata in the Brassica oleracea L. was investigated. The contents of proline, soluble sugar and soluble protein were determined. The results showed that Under the stress of botanical insecticide of Macleya cordata at the same concentration, The contents of proline,soluble sugar and soluble protein were significantly lower than those with Cyhalothrin (P<0.05) except the proline content was no significant difference between Cyhalothrin and botanical insecticide of Macleya cordata with a dosage of 50 ×. The degree of damage with Cyhalothrin is greater than botanical insecticide of Macleya cordata.