I’ve had a lot of calls over the last few weeks regarding leaf scorching on young trees. This is a topic I have written and talked about quite a bit over the last few years. See the following links for details from previous posts: https://site.extension.uga.edu/pecan/2016/06/leaf-drop-pecan-roots-and-soil-temperature/ While there are a number of…
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Black aphid nymphs and feeding damage For those battling black aphids and considering using Pro Gibb to prevent the damage caused by this insect, applications should begin in mid July and continue for a total of 3-4 sprays. Pro Gibb prevents the development of chlorotic areas caused by black aphid…
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See the link below for a new extension bulletin for organic pecan production in Georgia: https://secure.caes.uga.edu/extension/publications/files/pdf/B%201493_1.PDF
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Dr. Will Hudson and I have been receiving reports of walnut caterpillar and fall webworm sightings in pecan orchards, particularly in young trees. These two caterpillar pests are both foliage feeders and they occur in groups, but the main difference is that walnut caterpillars do not make webs like the…
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Desirable Drop Most growers know that Desirable drops a few nuts each June, which is one reason they tend to bear a crop every year (see previous blog post). Typical drop for Desirable is to lose 30-60% of the nuts in June. However, its still shocking to most growers to…
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As what Dr. Wells posted last month, there have been reports on Phylloxera galls this season and I have seen them myself in a couple of orchards. Phylloxera outbreaks have been known to correlate with increased first generation shuckworm populations. Hickory shuckworm females favor to lay eggs in the Phylloxera…
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With 10 successive days of rain behind us and no relief in site and a potential tropical storm bearing down on us, pecan growers are under the gun for scab pressure right now. Most days have provided some breaks in the rain showers that have allowed growers to get out…
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