Import permits

Rodger Whitlock
Fri, 22 Feb 2013 21:23:05 PST
On 22 Feb 2013, at 18:36, Richard wrote:

> A good seed collection is totally clean. 

I have bad news for you. The quoted statement is not always and invariably true.

Ca. 20 years ago, one of our locals was trying to grow Linum flavum compactum 
from commercial seed. The seedlings invariably died quite early, no matter what 
hygienic precautions he took regarding soil, pots, water, and all else. I 
suggested that there might be a seed-borne fungus involved and that at least 
one reference I'd read suggested that a rinse with hydrogen peroxide might be 
worth trying.

He tried the peroxide rinse. It worked.

One concludes that on rare occasions a good collection of seed carries 

PS: Though we think of such seedling pathogens as fungi, they may also be 
oomycetes, which were formerly classified as fungi, but have now been 
recognized as not-fungi. Sudden Oak Death is an oomycete. See
Rodger Whitlock
Victoria, British Columbia, Canada
Z. 7-8, cool Mediterranean climate

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