任何盆花的病虫害,都有一个从感染到发生和从轻(少量)到重(普遍)的发展过程。因此,盆花病虫害的防治,应立足于“预防为主,综合治理,防患于未然”的方针。一、增强抗性:引栽盆花,应依据本地气候特点和栽培条件,选择那些适应性好,抗病力强的品种。平时要加强对盆花土、肥、水、光的精心管理。尤其要调节好肥料的氮、磷、钾三要素配比、使盆花生长茂盛又健壮,增强抗病虫害免疫力。二、避免感染:外地购来的新盆花,须仔细检疫,方可栽种,不健康株要舍弃,防止病虫株感染其它盆花。盆 Any pest and disease of potted plants has a development from infection to occurrence and from light (small) to heavy (common). Therefore, the prevention and control of potted pests and diseases should be based on the principle of “prevention first, comprehensive management, take preventive measures.” First, to enhance resistance: Introduction potted flowers, should be based on local climate characteristics and cultivation conditions, select those adaptable, disease-resistant varieties. Usually to strengthen the pot of soil, fertilizer, water, light careful management. In particular, to adjust the fertilizer nitrogen, phosphorus and potassium ratio of the three elements, so that the potted flowers grow robust and enhance pest immunity. Second, to avoid infection: New potted flowers purchased from the field, to be carefully quarantined before planting, unhealthy strains should be discarded to prevent pest infected other potted plants. Pots