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不同药剂对梨树疫腐病的田间治疗效果郭业芬陈利生（河北省河间市林业局技术站０６２４５０试材为７年生鸭梨。设７个药剂涂治处理：①绿风９５原液（河北徐水生物工程生产）；②５倍９２８１（河北邢台市林果病害研究所制）；③腐必清油剂原液（吉林龙井市智新焦油厂生产...
Field Treatment Effect of Different Pharmaceutics on Pear Blight Rot Disease GUO Ye-Fen CHEN Lisheng (Heilongjiang Forestry Bureau Technical Station 062450 The test material is 7-year-old Yali pear. Water biological engineering production); ② 5 times 9281 (Hebei Xingtai City Institute of Fruit Diseases Institute); ③ rot essential oil solution (Jilin Longjing City, Chi new tar factory production ...