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

#51 2019-08-31 03:49:20

Evan
Moderator

Re: Evan's Photos of Vetiver

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#52 2020-03-09 03:19:31

Evan
Moderator

Re: Evan's Photos of Vetiver

Greywater Vetiver maintained:

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After long dry season, difference in growth and greenery after a limited planting window this year:

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Headcut repair with marginal Vetiver 'luna' has changed the way water enters the headcut slope. There is a second further down the gully with excess water going around the luna too. The Vetiver pictured is marginal due to over 50% shade which is why native trees and sedges (Lomandra) have been planted into the Vetiver area:

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#53 2020-03-11 21:05:23

admin
Admin

Re: Evan's Photos of Vetiver

These first images of root bound plants - when removed from pots and transplanted do the roots continue to grow, or do new roots only grow from the crown. PK Yoon found that generally root bound vetiver roots did not grow. Similarly he found that bare rooted slips with cut roots only grow new roots from new tillers?

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#54 2020-03-11 22:47:05

Evan
Moderator

Re: Evan's Photos of Vetiver

These first images of root bound plants - when removed from pots and transplanted do the roots continue to grow, or do new roots only grow from the crown. PK Yoon found that generally root bound vetiver roots did not grow.

No way to tell except for an experiment? I would hazard a guess that they would continue to grow in some fashion or at least operate in the fine root feeding stage because it's no different than a root hitting a rock or similar. Plus airpruning at the bottom of the pots is not killed and then replaced with a new root. Did he observe that rootbound plants shedded all their existing roots when planted?

Similarly he found that bare rooted slips with cut roots only grow new roots from new tillers?

I've read that before and have seen you repeat it. That's not entirely true in my observations. When water propagating roots during an extended soak, some (but not all and not always) of the cut roots will grow fine feeder roots from the existing roots in the water. But yes, the majority of new root growth is from the crown.


Those rootbound ones went into a nutrient free experiment I was conducting anyway. I can pull them up and check the roots. The experiment was a bit of a failure as I didn't water enough and the drought was bad but they all survived, just took a step back in the initial stages so I felt the experiment was ruined. Still grew though.

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