2009年开始对其中表现优良的新株系LS-4和JH-6在温江和双流两个郁金的道地产区进行新品种的多点试验，并报四川省农业厅经作处备案审定。
Which began multi-point test in 2009 , with excellent performance of new strains LS-4 and JH-6 in the Wenjiang and Shuangliu , Report to the Sichuan Provincial Department of Agriculture Department records for examination .
四川省农业厅