Contact Us Host an Event Volunteer Join

Support the plant database you love!

Q. Who is Mr. Smarty Plants?

A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?

Share

Ask Mr. Smarty Plants

Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

Search Smarty Plants
See a list of all Smarty Plants questions

Please forgive us, but Mr. Smarty Plants has been overwhelmed by a flood of mail and must take a break for awhile to catch up. We hope to be accepting new questions again soon. Thank you!

Need help with plant identification, visit the plant identification page.

 
rate this answer
Not Yet Rated

Monday - July 27, 2009

From: Killeen, TX
Region: Southwest
Topic: Non-Natives, Pests
Title: What causes peach fruit to ooze sap?
Answered by: Joe Marcus

QUESTION:

I have a peach tree at our new house. The peaches are small and yellow but appeared healthy. Now it looks like they are oozing or weeping sap out of several places on each one. I dont know if its a disease or a pest or what to do about it. I am sure this year is a loss but is there anything I can do for next year?

ANSWER:

Peach, Prunus persica, is a non-native species and is outside our area of expertise.  However, we may be able to help some.  The culprit is likely Stinkbug, but other insects including Peach twig borer, Plum curculio, and Green June beetle are all possibilities.  A fungal disease is less likely based on your description of the problem. 

You should first contact your county's Cooperative Extension Service agent to find out how to positively identify the cause of the damage to your fruit.  When you have determined the ID of the pest, your extension agent will be able to make recommendations about how to protect your crop.

 

More Pests Questions

When should cochineal bugs be on prickly pear cactus?
January 05, 2012 - I am a fibers artist that would like to harvest the cochineal bugs from the prickly pear cactus. I would like to know what time of year should I expect to find the cochineal bugs around the Austin ar...
view the full question and answer

Problems with non-native parsley from Brooklyn NY
June 17, 2012 - Had beautiful flat leaf parsley plants recently turn yellow & die. Found black armadillo like bugs bored throughout the roots. Now they're spreading. How do I kill them without contaminating the pla...
view the full question and answer

Getting rid of Aphids on Asclepias plants in Brea, CA.
July 23, 2012 - I grow asclepsias or MILKWEED for the benefit of Monarchs. At times I have aphids consuming the leaves. How can I destroy the aphids without harming the Monarch eggs? Thank you very much.
view the full question and answer

Protection of Mountain Laurel from Pyralid or Genista moth caterpillars
May 28, 2006 - I have a Texas Mountain Laurel. Every year it is attacked by caterpillars. They form a bag for lack of a better word on the ends of the branches destroying the blooms for the following year. PLEASE...
view the full question and answer

Removing yaupon hollies from yard in Austin
July 04, 2009 - We recently moved into a home w/ way too many and much too large (20-30') yaupon holly's in the back yard. I had some of them cut down, but they keep coming up from the roots of the old trees. How ...
view the full question and answer

Support the Wildflower Center by Donating Online or Becoming a Member today.