Integrative evaluation with multiple goals on the resistance to the rice blast among diferent combinations of hybrid riceunder ecological condition

The resismnce tO the rice blast among different combinations of hybrid rice under ecological condition is evalu-ated integratively by the method of a multiple goals and decision．The results of the evaluation are suitable tO the facts．Compared tO other method s of evaluation，this method iS simple for calculation and its distinction rate is high．