The effect of Silicon on the organically grown iceberg lettuce growth and quality
2017
Si helps plants to mitigate with abiotic and biotic stresses because of Si-treated plants become stronger, sturdier and naturally more tolerant. The purpose of the investigations was to look the effect of Silicon on the iceberg lettuce growth and quality. There were two treatments: 1. stabilized silicic acid treatment; 2. control. The first spray, when 1 real leaf was present; the second spray was 2 weeks after spray 1; the third spray was 2 weeks after spray 2. First spray: 1 ml silicic acid was solved in 0.5 litre distilled water; second spray: 2 ml silicic acid was solved in 1 litre distilled water; third spray: 2 ml silicic acid was solved in 1 litre distilled water. pH of spray solution was 5,5. Control plants were untreated. Iceberg lettuce plants were taller and more bread in Si treatment compared to control. The content of NO3, N, P, and Ca was higher in Si-treated plants.
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