Nitrate reductase, chlorophyll content, and antioxidant of okra (Abelmoschus esculentus Moench) under organic fertilizer

Endang Dwi Purbajanti, Widyati Slamet and Eny Fuskhah

Study Program of Agro-ecotechnology, Faculty of Animal and Agricultural Sciences, Diponegoro University.

DOI: https://doi.org/10.37855/jah.2019.v21i03.37

Key words: Okra, compost, growth, antioxidant, quality
Abstract: Okra is often useful as a traditional medicine because it contains secondary metabolites such as alkaloids, terpenoids, and flavonoids. Young fruits and leaves may be consumed as they are rich in minerals and dietary fiber. The objective of this study was to assess the growth and quality of young okra at plant spacing and different litter dosage composts. Results showed that plant height, crop growth rate, yield, pod weight and, fruit circumference increased with the increasing dose of N compost. The highest NR on the row spacing interactions is 50 cm and 150 kg N ha-1. Chlorophyll content of row spacing 75 cm was higher than row spacing 50 cm. Chlorophyll content was higher at 150 kg N than 0 kg N ha-1, 50 and 100 kg N ha-1. Level of antioxidants decreased with the increase of N given both in row spacing of 50 cm and 75 cm.



Journal of Applied Horticulture