亚麻苗期病害致使亚麻植株不能正常生长发育,导致产量下降、品质变劣。黑龙江省每年由于苗期病害致使亚麻产量减少20%左右,个别严重地块甚至绝产。为确保亚麻丰收,控制病害对亚麻的危害,阐述了亚麻苗期主要病害的症状、病原、致病因素及综合防治的技术措施。 Flax seedling disease caused flax plants can not grow normally, leading to decline in yield, quality deterioration. In Heilongjiang Province, the annual output of flax is reduced by about 20% due to the disease of seedling stage, and some serious parcels are even deadly. In order to ensure the bumper harvest of linen and control the damage of the flax to the flax, the symptom, pathogen and disease-causing factors of the main diseases of flax seedling are expounded and the technical measures of comprehensive prevention and cure are expounded.