摘要
田间药效试验表明,在铁皮石斛黑斑病初发期,用450g/L咪鲜胺水乳剂推荐剂量有效成分150~225g/hm~2,连续用2次,间隔7~10d,施药后14d防效可达87%以上,并对铁皮石斛和其它非靶标生物安全。450g/L咪鲜胺水乳剂可以用于防治和控制铁皮石斛黑斑病。
The field trials results showed,in the early period of blackspot disease,the control rate of prochloraz 450 g/L EW against blackspot disease on Dendrobium officinale Kimura et Migo could reach above 87% 14 days after application when used at the dose of 150 ~225 g/hm~2,for 2 consecutive times with the interval of 7~10 days,and prochloraz 450 g/L EW was safe to Dendrobium officinale Kimura.et Migo and other non-target organisms. Therefore,prochloraz 450 g/L EW can be used to prevent and control blackspot disease on Dendrobium officinale Kimura et Migo.
引文
[1]萧凤回;郭玉姣;王仕玉;文国松;杨生超等.云南主要药用石斛种植区域调查及适宜性初步评价·云南农业大学学报.2008,23(4):498-505
[2]张敬泽,郑小军等.铁皮石斛黑斑病病原菌的鉴定和侵染过程的细胞学研究.植物病理学报.2004,34(1):92-94
[3]张敬泽,方钰蓉,张海松,程方民等.铁皮石斛黑斑病菌室内药效试验.植物保护.2005,31(1):44-47
[4]陈尔,王华新,陈宝玲,杨舒婷,苏莉花等.铁皮石斛病虫害调查及防治技术[J].湖北植保,2015(5):23-26
[5]李戈,李荣英,高微微.药用石斛规模化种植中的病害问题及防治策略[J].中国中药杂志,2013(4):485-488