Effect
Increased produce quality
ROOTS PLUS treated Marigold, cv. Crackerjack, sown and grown in a greenhouse for 70 days was 1.1 % shorter (ns), had a 4.1 % bigger stem diameter (ns), 10.9 % more dry weight, a 7 days earlier flowering, 45.6 % significant more flowers and a 67.4 % significant bigger flower area compared to the untreated control.
Trial details
indoor, greenhouse, vermiculite in 2 L-pots, normal cultivation
USA
Crop
Marigold, Tagetes patula
Trial application
Method
By watering
Timing
First application 21 days after transplanting, followed a second treatment with a 18-days interval
Rate
1% concentrated solution
1994
The Use of a Commercial Organic Biostimulant for Improved Production of Marigold Cultivars
Journal of Home & Consumer Horticulture
1
83-93
Crop group
