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All Journal JTCST (Journal of Tropical Crop Science and Technology)
Fatimah Nursandi
Universitas Muhammdiyah Malang
Agriculture, Biological Sciences & Forestry

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Effect Of Planting Media And Combination-Consentration Of Duration Of Zpt On Root Induction Of Lipstic Aglaonema (Aglaonema crispum L.) Nia Indah Kurnia; Fatimah Nursandi; machmudi
Journal of Tropical Crop Science and Technology Vol. 4 No. 2 (2022): VOLUME 4, NO. 2, OCTOBER 2022
Publisher : Universitas Muhammadiyah Malang

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Abstract

This study examined the effect of growing media and combination-concentration of ZPT soaking time on the root induction of Aglaonema lipstick (Aglaonema crispum L). This study aims to determine the interaction between the growing media and the combination-concentration of immersion time of ZPT (Growth Influence Substance) on Aglaonema lipstick plants, to determine whether the combinationconcentration of immersion time of ZPT (Growth Influence Substance) has an effect on the root induction of Aglaonema lipstick plants, and to choosing the right planting medium in order to meet the export standards of the aglaonema lipstick plant. The experimental design used was Factorial Randomized Group Design (RBD). where factor 1 is the combination-concentration of ZPT soaking time where K1 is water, K2 is Atonic 2ml/l - 20 minutes, K3 is Rootone-F 200 mg/l - 1 hour, K4 is ZPT prokar 10ml/l - 15 minutes , K5 is ZPT prokar 10ml/l - 30 minutes, and K6 is ZPT prokar 10ml/l - 45 minutes. The second factor is the media where M1 is manure, cocopeat, soil, rice husk and charcoal, while M2 is cocopeat and rice husk charcoal. There was an interaction between the combination of planting media and the concentration of ZPT soaking time on the parameters of leaf area and stem diameter. Long soaking treatment using prokar ZPT for 15 and 30 minutes was more effective against the growth of Aglaonema lipstick cuttings on the number and root length parameters. but the planting medium did not affect all observation parameters.
Optimization Of Callus Induction Using A Combination Of 2,4 Dichlorophenoxy Acetic Acid And Sitokinin On Pineapple (Caisim) Cales In Vitro Agnes Putri Ayundaris; Fatimah Nursandi; Agus Zainudin; machmudi; Erny Ishartati
Journal of Tropical Crop Science and Technology Vol. 6 No. 1 (2024): VOLUME 6, NO. 1, MARCH 2024
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jtcst.v6i1.32887

Abstract

In Indonesia, pineapple is one of the horticultural commodities that has the potential to be developed. It is seen that the amount of demand for fresh pineapple from abroad is quite high. Intensification of pineapple land is still lacking where the number of pineapple seedlings planted has only reached 2,500 from ideally 10,000 stems per hectare. Alternative to overcome this problem is by propagating plants in vitro through callus induction which later is thought to potentially have quality and quantity seeds as expected. This study uses a combination of ZPT 2,4-D and cytokines which are expected to grow callus with good quality and relatively faster time.This study uses Factorial Randomized Block Design (RBD). By using the first factor namely 2,4-D concentration and the second factor cytokines (BAP and TDZ). The data can be analyzed for variance and a real honest test (BNJ) level of 5%. Based on the results of the study, it was found that the combination of giving concentrations to 2,4-D and cytokines was not significant for each parameter. The interaction between 2,4-D growth regulators and cytokinins has no significant effect on the induction of pineapple varieties of Smoooth cayenne. The treatment of 2,4-D 0 mg/L - 5 mg/L growth regulators has no significant effect on callus induction in vitro on the Smoooth cayenne varieties. The treatment of cytokinin (Thidiazuron 0.001 mg/L - 0.1 mg/L and BAP 0 mg/L - 4 mg/L) had no significant effect on in vitro callus induction on the Smoooth cayenne varieties.
Production Of Mini Tuber Potato (Solanum tuberosum L.) Ppt4 Zebra With Aeroponic System Through The Addition Of Lighting Color Settings And Lighting Length Dista Yufiana Aris Maya; Erny Ishartati; Fatimah Nursandi; Harun Rasyid; Syarief Husein
Journal of Tropical Crop Science and Technology Vol. 6 No. 1 (2024): VOLUME 6, NO. 1, MARCH 2024
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jtcst.v6i1.32888

Abstract

Potatoes (Solanum tuberosum L.) are carbohydrate-rich crops. Low potato productivity in Indonesia stems from farmers' inadequate access to quality seed potatoes. One solution to this issue is enhancing quality seed potato production, achievable through aeroponic systems. Lighting, whether incandescent or LED, can optimize potato mini tuber propagation in aeroponic systems. Research on lighting's effects on potato growth remains incomplete. This study aims to investigate how lighting color and duration affect mini tuber production of Solanum tuberosum L. PPT4 Zebra using aeroponic systems. Conducted in Jurangkuali, Bumiaji sub-district, Batu, the study employed a split plot design. The main plot consisted of lighting colors (WC): light yellow (WK), white (WP), and purple (WU). Subplots were lighting duration (LP) at 3 hours (LP 3) and 5 hours (LP 5), each replicated four times. Each replication comprised 8 samples, with 18 potato plant cuttings per population. Variables included plant height, stem diameter, leaf count, chlorophyll level, root length, tuber count, tuber diameter, budding seed count, and tuber weight. Data were analyzed using F-tests followed by BNJ tests at a 5% significance level. Results indicated no interaction between lighting color and duration. Purple lighting yielded the highest tuber count and weight, while 3-hour lighting duration yielded superior plant height, stem diameter, leaf count, and root length.
Co-Authors Agnes Putri Ayundaris Agus Zainudin Dista Yufiana Aris Maya Erny Ishartati Harun Rasyid machmudi Nia Indah Kurnia Syarief Husein