Increased assimilates in lily yearling bulblets by fertilizer supplement of magnetic nano-composite

AUTOR(ES)

Shafiei-Masouleh, Seyedeh-Somayyeh

FONTE

Ornam. Hortic.

DATA DE PUBLICAÇÃO

28/10/2019

RESUMO

Abstract In bulb production period, the promotion of photosynthesis and, consequently, increased synthesis of carbohydrates have the particular importance to enhance the size and quality of the bulbs. The aim of this study was to investigate the effects of chitosan and magnetism on the synthesis of photosynthetic compounds. Magnetic nano-composite (MN) and carboxymethyl chitosan (CM) during the production period of yearling bulblet were used as experimental materials. The results showed that MN (15 mg L-1) had the highest effects on the amounts of photosynthetic pigments. Compared to other treatments, this treatment had the highest effect on starch, while the soluble carbohydrates and amylase activities showed the highest amount with CM (5 to 15 mg L-1). However, due to the importance of starch in bulb size and quality, MN with a concentration of 15 mg L-1 is recommended.

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