Question From Gardener's Supply - Knowledgebase Question

Name: Grist David
Question by davidg4
June 21, 2000
Date: Wed, 21 Jun 2000 19:25:27 -0400
From: [email protected]
Subject: Gardener's Q and A [T20000621004YZ52937]
To: [email protected]
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X-MMC-To: <[email protected]>
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Sender : [email protected]
Tracking Number : T20000621004YZ52937
Pool : QA
Sent to : <[email protected]>
Date : 6/21/00 7:27 PM

Question recieved from:
Beckie Nason
Laconia, New Hampshire 03246
County: Belknap
Country: USA
Email: [email protected]
Mailing list (nothing means 'no'):

Bugs in our lilies.
Category: Bulbs
We have some pretty disgusting slug-like bugs all over our lilies. They
managed to devour an entire plant in about 2 days. Any idea what they are
and the best non-chemical warfare?

Answer from NGA
June 21, 2000


You may have a type of borer attacking your lily. These moth larvae, hatched from eggs laid in old stalks and garden debris in late autumn, emerge in the spring as tiny caterpillars. They bore into new leaves and eat the soft interior tissue, gradually working theirway down into the roots. The borers not only damage the plants with their chewing but carry the bacteria that produce foul-smelling soft rot, one the serious diseases that affect lilies and irises. Clear beds of old leaves and stems, where borers lay their eggs in the fall. You may need to spray young plants with a pesticide in early spring, before the borers enter the leaves.

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