Effect
No effect on produce quality
Good for Greens treated Hyacinth, cv. Pink Pearl/Delfs blauw, grown in a field had on average no difference in average sieve size (-0.4%), no difference in total weight (-2.7%), no difference in average tuber weight (-2.3%), no difference in number of flower studs seat size 15 (+3%) and no difference in number of flower studs seat size 17 (+7.9%) compared to the untreated controls. The foliar application of Good for Greens combined with a chemical bulb disinfection (not with Good for Greens) had the best results. Good for Greens had more effect on cv. Pink Pearl.
Trial details
Outdoor, unprotected, soil grown (dune sandy soil with 1.5 % organic matter), normal agricultural practices
Netherlands
Crop
Hyacinth, Hyacinthus orientalis
Trial application
Method
Foliar spray or foliar spray combined with bulb disinfection
Timing
First foliar application end of April followed by 3 application with a 14-days interval, combined with bulb disinfection at planting or not
Rate
0.050-0.056 L/ha product with 0.77 L/ha water
Crop group
