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The use of a commercial organic biostimulant for improved production of marigold cultivars


, : The use of a commercial organic biostimulant for improved production of marigold cultivars. Journal of Home and Consumer Horticulture 1(1): 83-93

Tagetes erecta seeds (cultivars Climax, Gay Ladies and Nugget) were sown in the greenhouse in a medium wetted with a 1% solution of ROOTS, a commercial product containing Ascophyllum nodosum extract, humic acid and thiamine, which hastened germination of the first seeds by 4 days, compared with controls. The treatment was repeated at the first-true-leaves stage and produced transplants with 31.5-32.2% longer roots and 22.4-29.9% greater shoot DW than controls.

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Accession: 002530095

DOI: 10.1300/J280v01n01_05

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