黑荆树是栲胶的优质原料,生长迅速,我区近几年已大面积发展,但病虫害时有发生,对黑荆树生长有严重的影响。常见的病虫害及其防治措施如下: 1、炭疽病:在苗圃地或定植地均能发生,以秋播苗发生较多,特别是春季潮湿多雨时蔓延迅速,能引起大量死苗。发病初期,每隔10—15天喷1:1:150波尔多液一次,连续2—3次,在发生盛期前每隔5— Black Wattle is a high quality raw material of gum, rapid growth, our area has been large-scale development in recent years, but pests and diseases occur from time to time, have a serious impact on the growth of black wattle. Common pests and diseases and their control measures are as follows: 1, Anthracnose: Occurred in the nursery or planting can occur in autumn sowing more, especially when the spring wet and rainy spread rapidly, can cause a large number of dead seedlings. Early onset, spray every 10-15 days 1: 1: 150 Bordeaux mixture for 2-3 consecutive times, before the occurrence of the peak every 5-