I’ve seen a number of young orchards recently with trees suffering from die-back. While much of this has been related to cold damage, some trees are feeling the effects of a subtle problem that often goes unnoticed until it becomes severe. Botryosphaeria canker or “Bot canker” is caused by a fungus…
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It seems that every year we see something new on pecans. This year I have seen two or three orchards suffering from May beetles feeding on the foliage. Normally even if you see a May beetle here or there in the orchard, its no cause for alarm but I have…
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I’ve had a lot of calls over the past couple of weeks regarding the dropping of green, healthy-looking leaves on ‘Desirable’. Looking back in my notes, this is something that seems to happen every year but we often have short and selective memories and choose not to remember seeing…
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Nut Scab lesion developing on small nut I visited with UGA Plant Pathologist Tim Brenneman for a while yesterday and the early results of his fungicide trials for the year have revealed a significant finding that could be of value to your scab management program. Dr. Brenneman’s results showed that…
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When the temperatures heat up in late May and early June, the calls begin to come in from growers who are noticing the new shoots of their young trees, which had looked so healthy, are beginning to die-back. This is a problem that is not necessarily restricted to young…
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The heavy disease pressure of 2013 left an abundance of pecan scab inoculum in the orchards just waiting for the conditions we have observed this spring. The frequent rainfall has allowed scab to explode on susceptible varieties, generating more leaf scab than has been seen in a long time throughout the…
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Now that we’ve had a week with no rain growers need to begin irrigating pecan trees as needed. Pecan trees need a significant amount of water (as much as 350 gal/tree/day) as they are filling the kernels in August and September. While they need good soil moisture throughout the growing…
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