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Kelpak

Type: Seaweed extract, Company: Omex

Effect

No effect on produce quality
Increased produce quality

Kelpak treated chrysanthemum (cutflower), cv. 'Purple Star', grown in a heated greenhouse with various combinations of water and or nutrient stress occasionally showed significant differences in comparison to untreated control grown in the same conditions: at some assessments/stress situations a significantly higher NDVI and a higher production was observed. Also, analysis of the harvested crop showed - depending on the stress situation - a significantly lower sulfur and molybdenum concentration per kg dry matter. 

Trial details
indoor, heated greenhouse, in potting soil in bins, drought and/or nitrogen stress
Netherlands

Crop

Chrysanthemum, Chrysanthemum indicum L.

Trial application

Method
Foliar spray
Timing
First application 10 days after planting followed by 3 treatments every 2 weeks
Rate
1.25 l/ha at 500 L water/ha
Vertify (Matthijs Blind)
2019
Bio4safe
Crop group