Showing category "Invader weeds" (Show all posts)


Posted by Cullinan Conservancy on Tuesday, February 10, 2015, In : Invader weeds 
Some very useful information from our resident botanist, Petro Lemmer.

Kakiebos (Tagetes minuta), although an alien species, is not a declared invader and  is a pioneer plant on disturbed ground. In addition, and a very good reason to cherish these plants:

Kakiebos contains a very useful range of chemicals that are known to have various medicinal properties. It can be used as an antimicrobial, antiseptic,  antispasmodic, antiparasitic and antibiotic. It is used in south American countrie...

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Notice on Pom Pom

Posted by Cullinan Conservancy on Monday, January 12, 2015, In : Invader weeds 

Dear Conservancy members and neighbours,


We are pink in the Pom pom’s at present, and the most worrying fact is that the property owners are doingnothing to combat the problem. We have received numerous phone calls from people complaining that while they are eradicating on their properties their neighbours are doing nothing, resulting in re-infestation again.

Last year the Department issued fines to six property owners in our area, four paid the fines (it would have been cheaper to eradicate...

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Cullinan Conservancy releases biological control on Pom-pom - A first for the NE Conservancies.

Posted by Cullinan Conservancy on Thursday, December 18, 2014, In : Invader weeds 

With the assistance of the Biological Control officer from Working for Water, Cullinan Conservancy released a thrips insect (Liothrips tractabilis) for the biological control of Pompom in selected sites within the Conservancy.

Both Pompom thrips nymphs and adults feed on the stems and leaf tissues at the apical shoot tips of the Pompom weed. This causes deformaties in the plant growth which reduces its height and biomass, and flower production.  The thrips has the great...

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Pom Pom Control

Posted by Cullinan Conservancy on Thursday, December 18, 2014, In : Invader weeds 

Dear Members,

The Pom Pom’s are a bit late this year due to the late rain and the fire.

We have a limited supply of herbicide in stock for Pom Pom, Lantana and Bug weed, this is available to paid up members. Please contact the office if you require any herbicide, it is in powder form so bring a container with a lid when you come and collect it.

 The regime for clearing the Pom Pom remains the same, cut off the bud or flowering head, place in a plastic bag, spray the plant from the...

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SAPIA (Southern African Plant Invaders Atlas) Newsletter no. 27

Posted by Cullinan Conservancy on Wednesday, January 16, 2013, In : Invader weeds 
The Southern African Plant Invaders Atlas Newsletter no. 27 can be downloaded here.

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Month to month Guidelines for the Eradication of Invader Plants and Declared weeds (Category 1)

Posted by Cullinan Conservancy on Friday, October 5, 2012, In : Invader weeds 
month to month guidelines are available for the eradication of invader weeds on the invader weeds page.

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Pom pom weed must be eradicated!

Posted by Cullinan Conservancy on Friday, January 20, 2012, In : Invader weeds 
Please note that Pom Pom Weed is a category 1 invader and must be eradicated. See this article
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Pom Pom Weeds

Posted by Cullinan Conservancy on Wednesday, December 29, 2010, In : Invader weeds 

Dear Members,

Your attention is drawn to the alien invader Pom Pom weeds which is flowering at this time of the year. As in previous years where we find the weeds on a farm we will notify the farmer by email.

 If no attempt is made to clear the Pom pom plants within 3 weeks, the letter will be forwarded to the Department of Agriculture who will issue a directive.

Cullinan Conservancy has purchased a limited amount of Plenum, and paid-up members can fetch some from Joan du Toit (bring ...

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