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首页> 外文会议>Annual Meeting of the Florida State Horticultural Society >Efficacy of Fungicides for the Control of Myrothecium roridum on Dieffenbachia picta 'Compacta'
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Efficacy of Fungicides for the Control of Myrothecium roridum on Dieffenbachia picta 'Compacta'

机译：杀菌剂对DiefeneNbachia Picta'Compacta对鼠尾蚴Roridum进行控制的疗效

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摘要

Myrothecium leaf spot, caused by the fungus Myrothecium roridum, is a serious disease of Dieffenbachia picta Schott cv. Compacta. In 2009, six products were trialed for efficacy against M. roridum in a shade house. The D. picta plants were started from tissue-cultured liners potted in 6-inch plastic pots. 'Compacta' liners were potted for each of the six treatments including an untreated control. Natural infection was allowed to take place prior to the first application of the chemicals. Fungicides were applied on a 7- to 21-d schedule or on a closer interval depending on disease severity and replicated 4 times per treatment. Chipco 26019 (iprodione) at 2 lb per 100 gal of water, Compass O (trifloxystrobin) at 1 oz per 100 gal of water, Daconil 2787(chlorothalonil) at 1.5 lb per 100 gal of water, Heritage (azoxystrobin) at 4 oz per 100 gal of water, Medallion (fludioxonil) at 2 oz per 100 gal of water, and Systhane (myclobutanil) at 2 oz per 100 gal of water were significantly more effective in the control of Myrothecium leaf spot than copper at 1.5 lb per 100 gal of water.
机译：由真菌Myrothecium Roridum引起的myrothecium叶斑，是一种严重的Dieffenbachia Picta Schott CV疾病。 Compacta。 2009年，试验六种产品在阴影房屋中针对鲁比姆的疗效进行疗效。 D.Pocta植物从在6英寸塑料罐中盆栽的组织培养的衬垫开始。为每个六种治疗方法培养了“Compacta”衬垫，包括未经处理的对照。在第一次应用化学品之前允许自然感染。根据疾病严重程度和每次治疗4次复制4次，将杀菌剂施用在7-至21-d处或更接近的间隔。 Chipco 26019（Iprodione）在每100个Gal的2磅/ 100b的水中，Compass O（三氟乙脲），每100个Gal的1盎司，达克尼尔2787（氯洛尼洛尼洛尼洛），每100磅的水，遗产（氮杂氧杂环蛋白）为4盎司100个水，奖章（Fludioxonil）在每100个Gal的2盎司每100盎司的奖章（Fludioxonil），并且在每100个Gal的2盎司的Systhane（巯基丁胺）在肌细胞叶点的控制中明显更有效，而不是每100加仑1.5磅的铜水。

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