Unidentified plant disease affecting blackberry tree in Tanzania
Blackberry Tanzania
The blackberry trees have started sagging to the ground, excessively bending the trunk and tree. There appears to be an aggressive vine/species (non-blackberry tree) growing off of blackberry tree branches that is causing this problem (see attached photos). Any information on what this problem is, and/or how to best address it to help save the tree (e.g. trimming) would be greatly appreciated.
Posted
by: Jason Bacha
(1 point)
Posted: November 10, 2018
Answers
Hi Jason
This is a parasitic plant called Phragmanthera cornetii . which is native to Tanzania and East Africa http://powo.science.kew.org/taxon/urn...
They do of course take nutrietnst
I found this is a PhD thesis
" Many of these parasitic plants cause the death of twigs and branches, but left without any counter measure the entire tree can also be killed in a few years. The effect of these parasites on the fruit load of miombo trees is still not quantified."
I did not find any way to control it.
I would suggest cutting off and burning heavily infected twigs. And removing and burning any red tissue of the parasite.
The burning is to ensure any seeds die
Good luck
david
This is a parasitic plant called Phragmanthera cornetii . which is native to Tanzania and East Africa http://powo.science.kew.org/taxon/urn...
They do of course take nutrietnst
I found this is a PhD thesis
" Many of these parasitic plants cause the death of twigs and branches, but left without any counter measure the entire tree can also be killed in a few years. The effect of these parasites on the fruit load of miombo trees is still not quantified."
I did not find any way to control it.
I would suggest cutting off and burning heavily infected twigs. And removing and burning any red tissue of the parasite.
The burning is to ensure any seeds die
Good luck
david
Posted
by: David Hughes
(67 points)
Posted: November 10, 2018
Jason Bacha commented,
Thanks for the great info and advice, David! We will try that, and let you know if any challenges or further problems! over 5 years ago.
Thanks for the great info and advice, David! We will try that, and let you know if any challenges or further problems! over 5 years ago.
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