Dalmatian toadflax Linaria dalmatica


Description of Plant:
The roots are deep taproots and can extend rapidly and laterally from its base of the plant.  The roots can grow until they are at least 1 meter into the soil.  The stems can grow up to three feet in height.  The leaves at the top of the plant have a broad base and can keep getting broader as you move down the stem.  The flowers grow closer together at the top of the plant.  They are said to look like a snapdragon flower, since they are in the same family as them.  The seeds can stay in the ground for a very long, up to 10 years, before they sprout because it may take awhile for the seed coat to fall off.  They can grow on a variety of different soils.  We think that Dalmatian toadflax were introduced into the United States as an ornamental.

Useful Herbicides:
Champion Extra [less than 15 cm tall], Estaprop/Turboprop 600/ Dichlorprop,K2 [less than 15 cm tall]
 
Herbicide Brand  How to Apply  When to Apply 
Champion Extra [less than 15 cm tall] Broadcast  During May or in early fall. Some species may require a second treatment.
Estaprop/Turboprop 600/ Dichlorprop Broadcast  During May or in early fall. Some species may require a second treatment.
K2 [less than 15 cm tall] Broadcast  Apply to young, actively growing weeds before canopy closes. 

Further Information About These Herbicides:
 
Herbicide Brand Active Ingredient Mode of Action
Champion Extra [less than 15 cm tall] MCPA Ester 500 (340 mL/ac).  Regions of high meristematic activity such as root and shoot tips are known to be affected when they are sprayed.
Estaprop/Turboprop 600/ Dichlorprop DyCleer, fuel oil (basal, frill, stump), TCA (spruce, balsam, pine). A translated, systemic herbicide absorbed by leaves
K2 [less than 15 cm tall] K2 must be applied with 2,4-D Amine  moves rapidly into the growing point of the plant. Inhibits cell elongation.

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By: Ryan Hunt & Naomi Olind                    1/27/03