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Sun, Aug 11, 13 at 11:38
| I have two Asian pear trees grown on my backyard -- Hosui and 20th century. There are about 7 yrs old, and have been producing fruits every year. I live in Dallas, TX. My main problem is that I have been fighting fireblight disease every single year, mainly shoot strike in early spring (May - June). My estimate is that I loose about 50-80% crop due to fireblight every year. I did some research on the Internet, and somebody suggested to spray liquid copper during dormant. I did that last year and it did not appear to make any improvement. My question is: Does any body in this forum know any "proven" or perhaps a "silver bullet" method to address this issue? I am really running out of idea on what to do next. Recently , in mid July, I have some sort of leaf fungus (see photo). I am suspecting it might be some residue left over from the last fireblight strike ?? Thanks, Jimmy |
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| There is something that will help. It's an antibiotic powder you mix with water and spray all the tree with. I spray my pears just before the hot and humid weather sets in. I've had good results so far. I'll have to get back to you with name, I'll have to dig it up out in the shop. |
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| It's been a bad year for fireblight here. Even my moonglow and Shinko pears have been hit hard. If you find a solution, let me know! |
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| The name of the stuff is "Fire Blight Spray" from ferti-lome. The main ingredient is Streptomycin Sulfate. It's kinda expensive at $13.00 for 2 ozs. I spray all the tree and trunk till runoff. If it rains I repeat. Like I said, it's been really effective for me and you can make 25 gallons from the 2 oz. jar. Good luck next year. |
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- Posted by JIMMY_SAYAVONG Dallas,tx (My Page) on Sun, Aug 11, 13 at 15:14
| Thanks JustJohn, I am appreciated any helps/suggestions you may have to tackle this problem. Regards, Jimmy |
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- Posted by JIMMY_SAYAVONG Dallas,tx (My Page) on Sun, Aug 11, 13 at 16:58
| JustJohn, I attached is the photo of the product you suggested, is it the right one? I will try next season. |
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| Yes, that's it. I would cut off all infected limbs and burn or get them as far away as possible. Next spring use the ferti-lome. I hope this helps, it has for me so far. |
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- Posted by JIMMY_SAYAVONG Dallas (My Page) on Tue, Aug 13, 13 at 13:18
| I found the article on the internet in regard to Fireblight Control. Sounds like the antibiotic streptomycin is the most effective material for controlling fire blight which appears to be in agreement with the ingredient you suggested above. Here is the link: I am very anxious to try it out next spring ! |
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- Posted by JIMMY_SAYAVONG none (My Page) on Tue, Aug 13, 13 at 14:25
| JustJohn, I found this product on the web. Do you know anything about this? it seems like it has the same ingredient as the one made by Fertilome. Let me know what you think. I think it is cheaper considering it is such a large bag. |
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| Looks like a lot to buy, probably last several years. I'd try the fertilome small container first. I don't know, but that large bag may lose it's strength before you could use it all. |
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| I saw fireblight when I lived in So California. Your tree doesn't appear to have it. My thoughts would be perhaps heat and drought stress and/or pear leaf blister mites. |
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- Posted by JIMMY_SAYAVONG Dallas, TX (My Page) on Fri, Aug 16, 13 at 12:02
| jean001a, you were probably right, the disease shown in the photo might not be fire blight. The photo was taken in July 2013, and I presume the fire blight strike was already over then. But I do have fire blight disease every year on my pear trees (around May-June time frame), most of time is shoot strike. I find that a pear tree is one of the (if not the most) high maintenance tree anybody ever grows !! but it would be a rewarding results if one can overcome this problem. JIMMY |
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