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Grevillea Bronze Rambler - dying off
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Posted by tominaus NSW (My Page) on Fri, Jul 28, 06 at 23:54
Hello - I have had 2 Grevillea Bronze Ramblers growing well in my garden for 2 years, but this winter (s hemisphere) they have both died off very suddenly. The die off has started at the stem and worked its way out to the tips of the branches - the leaves have gone a dark/ashy grey colour as the die off has proceeded. I have inspected the stems and seen no signs of pest entry, such as borers - any ideas?
Thanks
Tom Wilson
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Follow-Up Postings:
RE: Grevillea Bronze Rambler - dying off
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RE: Grevillea Bronze Rambler - dying off
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- Posted by pos02 NSW Aust (My Page) on
Sun, Jul 30, 06 at 19:27
| I have had a rosmarinifolia type grevillea do a similar thing. Whole branches would dy off at the stem. I just kept cutting them off and throwing the affected branches in the bin. The dye off eventually stopped, and the bush looks healthy again (though a bit mishapen). |
RE: Grevillea Bronze Rambler - dying off
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| If you are on the coast where there has been some good solid rain for the last few months, it is probably root rot. Both of those Grevilleas hate wet feet. |
RE: Grevillea Bronze Rambler - dying off
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| Suggest Robert is on the right track. Try some Yates Anti Rot Phosacid and then Seasol which acts like a tonic for sick and newly planted plants. Helps their root development. |
RE: Grevillea Bronze Rambler - dying off
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Wrigley and Fagg "Australian Native Plants" report that die back can be caused by the Rhizoctonia (a fungus). Apparently, this can be controlled by an appropriate fungicide.
Rhizoctonia is a fungus which has proved troublesome to a number of Australian plants. Its presence is noted by a dying out in the centre of otherwise healthy plants. |
Phosacid? Is that a good idea?
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| Aren't phos based chemicals potentially a problem for proteaceous genera like Grevillea? |
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