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All Journal JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Journal Of Agriculture Sciences (Agrosci)
Nur, Subandi
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Agriculture, Biological Sciences & Forestry

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COGONGRASS ROOT EXTRACT FROM FIVE DIFFERENT SOILS TYPES FOR SUPPRESSING PURPLE BLOTCH AND INCREASING GROWTH AND YIELD OF SHALLOTS Rokhlani, Rokhlani; Soesanto, Loekas; Nur, Subandi; Prihatiningsih, Nur
JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA Vol. 21 No. 2 (2021): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jhptt.221103-115

Abstract

Cogongrass root extract from five different soils types for suppressing purple blotch and increasing growth and yield of shallots. The aim of this study was to examine the efficacy of cogongrass (Imperata cylindrica (L.) Beauv.) root extracts from five different soil types (Typic Udipsamments, Aeric Endoaqualfs (=Gleisal Eutrik), Typic Quartzipsamments (=Regosol Eutrik), Aquertic Chromic Hapludalfs, and Pachic Hapludolls) in suppressing purple blotch and increasing growth and yield of shallots. Split plot design was used with 13 treatments repeated three times, and 18 plants plot-1. The treatments consisted of control, fungicide propineb applied before and after inoculation, and five types of cogongrass root extract 50, 60, and 70% concentration applied before and after inoculation. Results showed that cogongrass root extract collected from Pachic Hapludolls which was applied before inoculation had significant effect on the highest pathosystem component indicated by delaying the incubation period, suppressing the intensity of the disease, slowing down the infection rate, and decreasing values of AUDPC as 41.85, 69.87, 75.13, and 67.63%, respectively, compared to control. The cogongrass root extract from Pachic Hapludolls applied before inoculation could increase plant fresh and dry weight plant-1, tuber weight plant-1, plant fresh and dry weight plot-1, and tuber dry weight plot-1 as 42.7, 49.6, 51.92, 66.75, 72.29, and 73.53%, respectively, compared to control.
Effect of Concentration of Liquid Organic Fertilizer and Arbuscular Mycorrhizal Fungi (CMA) on Growth and Red Bean Plant (Phaseolus vulgaris L) Nurfitri, Mesy; Jaenudin, Amran; Nur, Subandi
Jurnal Agrosci Vol 1 No 3 (2024): Vol 1 No 3 Januari 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/agrosci.v1i3.175

Abstract

This study aims to determine the interaction between the effect of liquid organic fertilizer concentration and arbuscular mycorrhizal fungi (CMA) on the growth and yield of red bean plants (Phaseolus vulgaris L.). The experiment was conducted in Nusaherang Village, Nusaherang District, Kuningan Regency, from July to September 2022. The research method used is the experimental method of Group Random Design (RAK) factorial pattern. The treatment consists of two factors and is repeated three times. The first factor is the concentration of liquid organic fertilizer (P), which consists of three levels, namely: P1 (5 ml / l), P2 (10 ml / l), and P3 (15 ml / l). The second factor of arbuscular mycorrhizal fungi (C) consists of three levels, namely: C1 (5 g / plant), C2 (10 g / plant), and C3 (15 g / plant). The primary observation data is processed using variance analysis; if there is a noticeable effect, the test is continued with the Duncan multiple distance test. The results showed a real interaction between the concentration of liquid organic fertilizer and arbuscular mycorrhizal fungi on plant height aged 21 HST, root length aged 21 HST, number of flowers aged 35 HST, and number of pods per red bean plant. The concentration treatment of liquid organic fertilizer has an independent effect on the number of leaves aged 21 HST. In comparison, the treatment of arbuscular mycorrhizal fungi has an independent effect on the number of leaves aged 21 and 28 HST and the number of seeds per pod. The treatment of liquid organic fertilizer and arbuscular mycorrhizal fungi has the same effect on yield variables, so the average weight of fresh red bean beans per plot is 626 g (0.63 kg) or equivalent to 1.6 tons/ha, assuming 80% of the land is effective.
Growth Response and Yield of Shallots (Allium Ascalonicum L.) on Giving Various Types of Mulch and NPK Fertilizer Doses Winesih, Winesih; Wijaya, Wijaya; Nur, Subandi
Jurnal Agrosci Vol 1 No 3 (2024): Vol 1 No 3 Januari 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/agrosci.v1i3.177

Abstract

This study aims to determine the type of mulch and dose of NPK fertilizer that can increase the growth and yield of shallots (Allium ascalonicum L.). The research was conducted in Cibogo Village, Cirebon Regency, West Java. The location is located at an altitude of 30 meters above sea level (m asl), the rain type belongs to type C (slightly wet). The research was conducted from April to June 2021. This study was prepared based on Group Randomized Design (RAK) with 2 treatment factors and 3 repeats. The first factor is the type of mulch and the second factor is the application of NPK fertilizer. The results showed that the combination of rice straw mulch treatment with NPK fertilizer 300 kg / ha had a significant effect on growth components, namely plant height 28 HST, number of leaves aged 42 HST, and a real effect on yield components, namely tuber diameter, fresh weight of tubers per clump and per plot, dry weight of tubers per clump and per plot. The results also showed that the combination of rice straw mulch treatment with NPK doses of 300 kg/ha and 400 kg/ha gave a good average dry weight of tubers per hectare, namely 8.4 tons/ha and 7.9 tons/ha, respectively.
Co-Authors Amran Jaenudin Loekas Soesanto Nur Prihatiningsih Nurfitri, Mesy Rokhlani, Rokhlani WIJAYA WIJAYA, WIJAYA Winesih, Winesih