Effect
No effect on produce quality
Gerhumin treated Apple, cv. Braeburn, grown in an orchard had no different net photosynthetic rate as compared to the untreated control. Gerhumin treated Apple, cv. Golden Delicious, grown in an orchard had no different return bloom as compared to the untreated control.
Trial details
outdoor, unprotected, soil grown, usual cultivation
Italy
Crop
Apple, Malus x domestica
Trial application
Method
Foliar spray
Timing
First application at the end of March (pre bloom), followed by 5 or 6 treatments till the beginning of June
Rate
0.3 g/L, 1500 L solution/ha
2002
Effectiveness of Various Leaf-Applied Biostimulants on Productivity and Fruit Quality of Apple
Acta Hort.
594
335-339
Crop group
