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08-17-2013, 07:10 PM #11
OPSenior Member
Shov Summer '13 Outdoor
Something I read in a cannabis grow bible type of book about 40 years ago. Something about the number of leaflets and the number of serrations on the leaflets was called a 'leaf index' and this could indicate quality genetics and general health. I have seen where sick, unhealthy plants do have less leaf index. But I don't know if there is any science in it. I do like extraordinary specimens including leaves. My avatar are leaves I grew in 1970.
Originally Posted by Esteban1
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