Author Topic: Yellow colour in Lentinus  (Read 1620 times)

Offline Morrie3

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Yellow colour in Lentinus
« on: December 09, 2015, 10:17:22 PM »
This bag was inoculated on 23/11.   Today I notice that it (and all the others in the batch) have this yellow colour showing.   Does this look familiar to anyone? Is it a problem or fairly normal?


« Last Edit: December 09, 2015, 10:28:10 PM by Morrie3 »

Offline worowa

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Re: Yellow colour in Lentinus
« Reply #1 on: December 10, 2015, 07:58:19 AM »
Not unusual for metabolites to be yellow

Offline NSF

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Re: Yellow colour in Lentinus
« Reply #2 on: December 10, 2015, 07:58:36 AM »
Is it metabolite or a yellowish hue to the mycelium or both? 

I haven't grown Lentinus but Sulphureus has very coloured mycelium.  I get yellow metabolite on a bunch of Pleurotus species. 

Offline Morrie3

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Re: Yellow colour in Lentinus
« Reply #3 on: December 10, 2015, 09:56:52 AM »
Thanks for those comments.  I am greatly relieved.  It appears to be a metabolite.

Lentinus = Lentinula     I glanced at Chang (1978) for the spelling.  I had a feeling that wasn't quite right,  I wonder when the name was officially changed?
« Last Edit: December 10, 2015, 01:14:58 PM by Morrie3 »

Offline NSF

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Re: Yellow colour in Lentinus
« Reply #4 on: December 11, 2015, 03:33:04 PM »
I don't believe they are identical. 

There are over 40 species in the genus Lentinus.  There are only 8 in the Lentinula genus. 

Lentinula edodes metabolite goes a rich chocolatey brown.  Apparently fantastic for plants when applied diluted. 

Offline Morrie3

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Re: Yellow colour in Lentinus
« Reply #5 on: December 14, 2015, 07:19:37 PM »
I don't believe they are identical. 

There are over 40 species in the genus Lentinus.  There are only 8 in the Lentinula genus. 

Lentinula edodes metabolite goes a rich chocolatey brown.  Apparently fantastic for plants when applied diluted.
Seems like you are right, but this must be one of the biggest mix ups in mushroom naming history ever.  There are countless papers referring to Lentinus edodes = shiitake, including the 'bible' by Chang and Hayes.  There are many more that seek to equate the two. 

What a stuff up.

edit.  Ok, it seems from this link that the name was changed from Lentinus edodes to Lentulina edodes in 1976.

http://www.mycobank.org/name/Lentinus%20edodes&Lang=Eng
« Last Edit: December 14, 2015, 09:33:00 PM by Morrie3 »

Offline NSF

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Re: Yellow colour in Lentinus
« Reply #6 on: December 15, 2015, 11:28:42 AM »
Yeah species chop and change all the damn time.

Common species that I can think of that have had recent name changes are Stropharia aurantiaca becoming Leratiomyces ceres.  Lepista nuda also became Clitocybe nuda.  Sometimes it has to do with someone doing a more thorough investigation of the species, other times it has to do with the taxonomy rules changing.  A bit like...there are no longer reptiles by definition: https://theconversation.com/theres-no-such-thing-as-reptiles-any-more-and-heres-why-31355

Offline Morrie3

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Re: Yellow colour in Lentinus
« Reply #7 on: December 15, 2015, 12:55:33 PM »
Actually, Stamets goes into this in GGMM, p261-2.  Must have skimmed past that.

Offline Maradon

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Re: Yellow colour in Lentinus
« Reply #8 on: November 19, 2018, 08:05:24 PM »
Thanks for the info.