Uncategorized

  • Leaf Scorch on Young Trees

    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 factors that can lead to…

    Posted in:
  • Pro Gibb Applications for Black Aphid

    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 feeding on the foliage. In…

    Posted in:
  • 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

    Posted in:
  • 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 go out into the orchard…

    Posted in:
  • 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 galls and the dead leaf…

    Posted in:
  • Managing Scab Pressure/Leaf Roll Mites

    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 and spray at least a…

    Posted in:
  • Phylloxera and Casebearer Update

    Phylloxera damage has become very noticeable this week. If you see galls on the leaves like the image below, that is phylloxera damage. Stem phylloxera (a separate species) shows up as galls in the stems or nuts and is much more damaging.  Once you see damage from either stem or leaf phylloxera, it is too…

    Posted in: