除草剂药害症状评述 2010年5月AbstractSelectivity is one of the very fascinating areas of pesticide research. Especially in the field of herbicide, because the crops and the weeds are similar in physiological function. Our purpose: “a sufficiently high dose of a herbicide will control weeds without seriously affecting the crops.” The methods to evaluate the safety of a herbicide is usually to make visual observations. The assessment standard is NOEL (No observable effect level). Different modes of action of
