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已读[165]
发布： 2013/07/10 20:57:03
Anniston Star Some common multi-purpose fungicides are Chlorothalonil (Daconil, Bravo), myclobutanil (Immunox), mancozeb and thiophanate-methyl. Tebuconazole and triforine are two others used to control black spot and Entomosporium leaf spot. Always read the ...
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已读[57]
发布： 2013/07/10 15:04:51
说到如何处理病虫害的问题,武生告诉记者,他们一般都是以防治为主,基本每隔半个多月就会打一次农药,他一般只用百菌清,但打药后三四天内是不采摘黄瓜的,等到药劲儿散...
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已读[50]
发布： 2013/07/10 15:04:47
可用5%百菌清粉尘剂或5%加瑞农粉尘剂进行粉尘法防治,此施药方法有成本低,操作简单,工效高,节省水,防效好,不增加棚室内湿度,且还可以加少量微肥,达到治病、健株...
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已读[59]
发布： 2013/07/10 15:04:19
用百菌清烟剂防治黄瓜霜霉病是一种简单有效的方法。一般情况下,当发现棚室内出现病株时,用45%百菌清烟剂,每亩温室用药200至250克,药分5份,均匀分布5处,用暗...
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已读[212]
发布： 2013/07/10 15:03:22
对于叶部病害,可用70%甲基托布津800倍液、或50%多菌灵500倍液、或75%百菌清300倍液喷施,每隔7-10天1次,连喷2-3次。 四、还有的农民提出,是否可以毁种...
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已读[58]
发布： 2013/07/10 15:03:18
温水浸种,先将种子浸湿,然后放入55-60℃的温水中,搅拌10-15分钟后用清水浸种10-12小时;药剂浸种,选用75%百菌清800倍液浸种10-12小时。浸种消毒后,保湿催芽20-...
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已读[427]
发布： 2013/07/10 15:02:22
Irish Independent This could include a half to two-thirds rate strobilurin, a half-rate triazole and a full-rate chlorothalonil . While aphid counts have been low, many crops are now showing significant levels in the head. Spraying with 0.8 l of dimethoate when there is ...
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已读[135]
发布： 2013/07/10 13:42:08
Baxter Bulletin As most of you will agree, bagworms can be found on any living plant, so check all surrounding plants if you notice some on their favorite host plant junipers. Some of the recommended insecticides are Sevin, malathion, acephate, Bt, bifenthrin , and ...
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已读[541]
发布： 2013/07/10 12:49:23
Progress Index A spray of calcium chloride every 2- 3 weeks may be helpful but is not as good as having ample calcium available in the soil. Most of the blossom end rot problems started in late May when the tomatoes started blooming. The later fruit on most plants ...
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已读[112]
发布： 2013/07/10 00:03:53
及时剪副梢,改善通风、透光条件,增施肥料;每隔7天全株喷施两次75%的百菌清可湿性粉剂1000倍液或77%的速克杀可湿性粉剂800倍液,轮换施用; 70%代森锰锌混合(又...
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