用草木灰治锈果病目前，各地很多果园都有苹果锈果病发生，多年来生产中唯一的防治方法就是将树连根挖掉，辛勤培育十几年的大树连根挖掉实在是令人惋惜，但又没有其它良策，因而，防治苹果锈果病一直是果树生产中的一大难题。凌源市宋杖子镇很多果园都有锈果病树，全镇统... At present, many orchards all over the country have apple rust disease occurs, over the years the only control method is to dig out the roots of the tree, hard to cultivate more than a decade to get rid of the tree roots really make Unfortunately, but no other good policy, therefore, prevention and control of apple rust fruit disease has been a major problem in the production of fruit trees. Lingyuan City, Song Zizhi many orchards have rust fruit trees, the town system ...