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All Journal PERTANIAN TROPIK Journal of Tropical Crop Science and Technology
Purbajanti, Endang
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Agriculture, Biological Sciences & Forestry

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Journal : Journal of Tropical Crop Science and Technology

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Growth and Production of Chinese Kale (Brassica oleracea L.) on Different Growth Media and AB Mix Substitution with Organic Nutrition of Float Hydroponic Systems Sinaga, Corry Dominika; Karno, Karno; Purbajanti, Endang
Journal of Tropical Crop Science and Technology Vol. 2 No. 2 (2020): VOLUME 2, NO. 2, OCTOBER 2020
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jtcst.v2i2.10549

Abstract

This research aimed to assess the effect of several types of growing media and AB Mix substitution with organic nutrition on Kailan (Brassica oleraceae L.) growth. The study used a factorial 3 x 4 completely randomized design (CRD) with 3 replications. The first factor is the treatment of growing media which consists of Rockwool, Charcoal husk, and Cocopeat. The second is the AB Mix Substitution with organic nutrition consisting of AB Mix substitution with 0% organic nutrition, AB Mix Substitution with 25% organic nutrition, AB Mix Substitution with 50% organic nutrition, and AB Mix Substitution with 100% organic nutrition. Growth parameters observed included plant height, number of leaves, root length, canopy wet weight, root wet weight, canopy dry weight, root dry weight, and chlorophyll. Data were analyzed using ANOVA and continued by DMRT (Duncan's Multiple Range Test) at 5% level. The results showed that the planting media treatment increased growth in the plant height, number of leaves, root length, canopy wet weight, root wet weight, and canopy dry weight. The treatment of AB Mix substitution with 25% organic nutrition is equivalent to the treatment with 0% organic nutrition for all parameters except chlorophyll. The AB Mix substitution treatment with 50% organic nutrition is not equivalent to the treatment without substitution. The higher substitution treatment will affect growth.
The Effect of IAA Concentration and Growing Media Composition on Banana Raja Bulu (Musa paradisiaca L.) Planlet Growth at Aclimatization Stage Andariza, Isna Panca; Kusmiyati, Florentina; Purbajanti, Endang
Journal of Tropical Crop Science and Technology Vol. 2 No. 2 (2020): VOLUME 2, NO. 2, OCTOBER 2020
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jtcst.v2i2.12382

Abstract

Banana plants are annual horticultural crops that have production capability without depending on the season and are widely cultivated in the tropic or subtropic areas. Tissue culture can produce good-quality banana seedlings in large quantities. To stimulate their metabolic systems, Banana plantlets from tissue culture require appropriate growing media and growth regulators such as auxin. The research aims to examine the effect of IAA auxin hormone concentration, the composition of sand: compost: husk charcoal and its interactions on the growth of raja bulu banana plantlets. The research was conducted in July - September 2019 at the Plant Physiology and Breeding Laboratory, Faculty of Animal and Agricultural Sciences, Diponegoro University, Semarang. The study used a complete randomized factorial design 4x2 with 5 replications. The first factor was IAA concentration (K) consists of 4 levels, K0: 0 ppm, K1: 30 ppm, K2: 60 ppm, and K3: 90 ppm. The second factor was the composition of growing media (M), M0: sand: compost: husk charcoal (1: 1: 1) and M1: sand: compost: husk charcoal (1: 1: 2). Data were analyzed by F test and proceeded by DMRT test at the level of 5%. The results showed that IAA significantly affected stem diameter, number of leaves, chlorophyll content and nitrate reductase activity of banana seedlings. The treatment of growing media significantly affected plant height and number of leaves. Concentration of 30 ppm IAA at all growing media increased significantly on stem diameter, number of leaves, chlorophyll content and nitrate reductase activity.
Co-Authors Andariza, Isna Panca Florentina Kusmiyati Fushkah, Eny Karno Karno Kusmiyati F Sinaga, Corry Dominika