Vetiver Network International Forum

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Welcome to the new (November 2018) Vetiver Network International Forum. Share your views and ideas, and help grow the Vetiver System in both size and quality to the benefit of its users and the Planet at large

#1 2020-01-24 19:54:34


Vetiver genotypes - Which are the best?

Vetiver type for oil: My impression (and I stand to being corrected) is that from what I have seen in the field and from many photographs that have been posted on line is that the  Vetiver "Planted for Oil" (VPO) types appear to be sturdier, bulkier, taller and more dense than some of the other types, and that the triploid/polyploids used for oil originating from south India would appear the sturdiest. Thus, as long as the plant is sterile why not use the VPO for environmental purposes. One big advantage of this would be that VPO producers  could become integrated with the "not for oil" vetiver users thus providing a secondary income for oil producers (very useful when there is an oversupply of oil and oil prices are low) and what should be a very low cost source of plant material for other users. (planting slips would be low cost as they would be a byproduct of VPO harvesting and the potential supply is very high).  Assuming we can discount the “digging” aspects as a problem then can we narrow the vetiver types to a few that are multipurpose includes quality oil, deep roots, good host to AMF, and sturdy and dense stems and leaves.

Vetiver types generally:  Other aspects that are becoming important include (a) salt tolerance - especially for coastal stabilization (b) insect habitat and pest control - Chinese are now using vetiver as a dead end trap crop for rice stem borer control and as a habitat for beneficial insects such as parasitic wasps -- I wonder if there are any differences between vetiver types as to their attractiveness and “killing” of insects such as stem borers -- (c) fire tolerance - with increase in wild fires are there types of vetiver that are more resistant to fire, (d) decontamination of polluted soil and water, and (e) cold tolerance - increasing demand to use vetiver under very cold winter hot summer climatic regimes. The Chinese claim that have identified types that perform better and survive cold (freezing) conditions.


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