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Terminalia Sericea (Silver Cluster Leaf, also Afrikaanse Vaalboom) is a deciduous tree that is native to Southern Africa.
The tree normally occurs in a variety of habitats of open woodlands particularly on sandy soils where they are sometimes dominant or co-dominant and grows in dense thickets of various sizes. When this happens it inhibits the growth of grass. With time, the dense thickets can take over large areas of grasslands.
How to control Terminalia Sericea?
Below are excerpts from a bush encroachment specialist on the control of Silver Cluster Leaf.
There are picloram products registered for foliar application on small Silver Cluster Leaf (smaller than 1,5m in height), but a large percentage of the herbicide mixture lands on the ground. The picloram is then available for absorption by non-target plants. Picloram is very residual and easily taken up by roots. Ecologically long term damage can occur when picloram is sprayed over large areas. We often suggest to rather look at stump treatment, where the trees are cut down and the freshly-cut stumps treated.
Browser (picloram) was at one stage registered for the stump treatment, but a product with better results has now been developed: Kaput 100 Gel (picloram & triclopyr).
Trials with Kaput on Silver Cluster Leaf have resulted in more than 90% control, even after 700 days.
Kaput 100 Gel is a fairly new concept. It is a complete formulated product that doesn’t require any additives or mixing. No applicators are needed, just a normal paint brush. The UV stable colorant in the product makes supervision and control easy.
Kaput contains only 10% active ingredient. The label suggest that a minimum of 1mm must be applied to the fresh cut stump surface. If it is applied too thin, the amount of active ingredient may not be enough to affect the whole root system.
For more information on Kaput 100 Gel, look at ….. Kaput 100 Gel (click)
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