Effect
Increased produce quality
Globalga (available in Italy) treated Apple, cv. Gala Must, grown in an orchard had 4 % less N, 5.1 % more P, 20.9 % more K, 6.5 % more Ca (sign) and 5.6 % less Mg in leaves, had a 8.1 % bigger fruit diameter (sign), fruits were 23.8 % heavier (sign), contained 1.9 % more dry matter, the same amount of vitamine C and total sugars, were 8.3 % less acid, contained 4.6 % less flavonoids and 5.7 % more phenolic compounds (sign) compared to the untreated control.
Trial details
outdoor, unprotected orchard (since 1998), soil grown, drip irrigation system, 4.85 x 1.6m tree spacing
Hungary
Crop
Apple, Malus x domestica
Trial application
Method
Foliar spray
Timing
First application at half blooming, followed by 3 treatments at full blooming, petal falling and 2 weeks after full blooming
Rate
2L/acre
2019
Effects of algae products on nutrient uptake and fruit quality of apple
Natural Resources and Sustainable Development
9(1)
80-91
Crop group
