Is Calothrix castelli an AAPFCO-listed plant biostimulant, and what claim language has AAPFCO accepted?
Calothrix castelli is listed in the AAPFCO plant biostimulant source data under group 62, recognizing it as an accepted biostimulant ingredient. Growers and formulators searching for cyanobacterium biostimulant options or Calothrix castelli AAPFCO status will find it carries accepted claims within that framework.
Two claims are accepted for Calothrix castelli under AAPFCO: nitrogen fixing and may improve yield, with higher yield in lettuce specifically noted in the source data. Those researching Calothrix castelli nitrogen fixation or whether this organism supports crop yield have a direct AAPFCO-recognized basis for those properties.
Claim defensibility matrix
Every row is verbatim AAPFCO-accepted claim language. Independent defensibility scoring activates when the Scientific Literature lens connects. No verdict is invented before then.
No caveats noted on this record. Verbatim wording is always shown in full; nothing is reinterpreted.
See the full picture on Calothrix castelli
This is one lens. The full record brings every source on Calothrix castelli together as those lenses connect.