l***7 发帖数: 61 | 1 Here is the spray schedule I use. You can use it as a reference. Change the
time according to your local weather:
April 2 (Dormant): Dormant Spray 1. Oil should be applied when there will be
a 24 hour period where the temperature does not fall below 32 degrees (
arguably, 40 degrees).
April 9 (¼-inch to ½ inch green tip): Immunox
Starting April 29 (Bloom): No spraying. Watch bees buzz while the blooms are
on.
May 10 (Petal Fall): Combo Immunox and Triazicide.
May 24 (10 to 14 days afte... 阅读全帖 |
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M*******r 发帖数: 551 | 2 leaf curl, which is a fungus disease.
get rid of all diseased leaves and twigs, apply copper solution or immunox |
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发帖数: 1 | 3 你在湾区吗?今年雨多树、玫瑰发霉了。
试过Immunox Fungicide吗?Home Depot有卖。没用过次氯酸钠,据说需要用含铜的物
质抑制真菌。 |
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M*******r 发帖数: 551 | 4 我的桃树中有两棵:一棵蟠桃,另一棵 Belle of Georgia 白桃。冬天都打了两次
copper fungicide,长出叶子时有打了 Immunox fungicide。 还是出现了大面积的
leaf curl。我的方法是看见症状就剪叶子,现在这两棵树上的叶子都被我剪了一大半。
请问,有桃树是不是必得 leaf curl?得了leaf curl 是不是就没治了?
有没有 leaf curl resistant 的桃树品种?谢谢。 |
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l***7 发帖数: 61 | 5 Immunox does not work for peach leaf curl.
Chlorothalonil(Bonide 880 Fungonil Fungicide) is another fungicide you can
use to prevent PLC, but you have to use it before it happens. |
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