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Dr. Achmad Amzeri, SP. MP.
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Agrovigor: Jurnal Agroekoteknologi
Published by Universitas Trunojoyo Madura
ISSN : 1979577     EISSN : 24770353     DOI : https://doi.org/10.21107/agrovigor
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Agrovigor: Jurnal Agroekoteknologi is a scientific paper in the field of science Agroecotechnology which include: plant science, soil science, plant breeding, pest and plant diseases.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 10 Documents
 1 
Search results for , issue "Vol 16, No 1 (2023)" : 10 Documents clear
Effect of biopolymer composition on the viability of Trichoderma sp. as maize-seed coating Ahmad Arsyadmunir; Gita Pawana; Kaswan Badami; Nuriatus Sholikhah; Yenny Wuryandari
Agrovigor Vol 16, No 1 (2023)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v16i1.16950

Abstract

Trichoderma spp., is a fungus with the ability to control disease and promote plant growth. The mechanism is through the activity of microparasites, antimicrobial secondary metabolites, phytohormones and mobilization of plant nutrients for plant growth and production. The purpose of this study was to examine the biopolymer composition as a seedcoating formula on corn seeds with Trichoderma as the active ingredient, namely to obtain a biopolymer composition that is able to maintain viability and inactivate Trichoderma during storage. Completely randomized design was used with a single treatment factor for the composition of the formula, i.e.; K1 is control 1 (suspension of conidia Trichoderma sp.); K2 is xanthan gum 2.5% + Na alginate 2.5% + conidia suspension Trichoderma sp. + talk; K3 is xanthan gum 5% + Na alginate 5% + conidia suspension Trichoderma sp. + talk; K4 is xanthan gum 2.5% + CMC 2.5% + conidia suspension Trichoderma sp. + talk; K5 is xanthan gum 5% + CMC 5% + conidia suspension Trichoderma sp. + talk; K6 is Na alginate 2.5% + CMC 2.5% + Trichoderma sp. conidia suspension. + talk; K7 is Na alginate 5% + CMC 5% + conidia suspension Trichoderma sp. + talk; K8 is control 2 (suspension of conidia Trichoderma sp. + Talc). The results obtained showed that the composition of the seedcoating formula consisting of 5% xanthan gum + 5% Na alginate + Trichoderma conidia suspension + talc up to 60 days after application of seedcoting on seeds could inactivate Trichoderma reproduction, but could not suppress the decrease in viability.
Management of basal rot disease ("moler") of shallot with biomanci fertilizer Wiwiek Sri Wahyuni; Ali Wafa; Suhartiningsih Dwi Nurcahyanti; Dodo Brilliant Priandono
Agrovigor Vol 16, No 1 (2023)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v16i1.10443

Abstract

Shallots are often infected by fusarium basal rot (local name: Moler disease), generate by the soil borne fungi, Fusarium oxysporum f. sp. cepae. The 35-45 days after planting was vulnerable time for shallot on it disease. However, the infection process can start more early on susceptible seed. Study aim to understand the effectivity of mixture of Indian Bael, Local name Maja fruit (Aegle marmelos) and rabbit urine (Biomanci) were used as organic fertilizer and it capability to control Moler disease. Result showed the biomanci fertilizers on all treatments had no effect on the severity and incidence of plant diseases. Although there was a decrease in severity in biomanci treatment 15 and 20% at 6 week but it was not significant. The increase in disease severity was triggered by favorable weather for the development of the disease, a high rainfall and by the arrival of flooding at the study site. As a result, the AUDPC value which is in the range 250 indicates that the plant was at a vulnerable level of resistance. Disease suppression efficacy was 12-18% means that biomanci was less effective in controlling Moler disease. It was concluded that although biomanci can be used as a biopesticide, in this study biomanci acts more as a fertilizer than as a biopesticide in blue Lancor variety, which is susceptible shallot, with a small disease suppression efficacy value of 12.03%..
Response of green lettuce (Lactuca sativa L.) by granting of biochar types and dosage of NPK fertilizer S Sugiyarto; Refa Firgiyanto; Diablo Cardilac; Abdurrahman Salim
Agrovigor Vol 16, No 1 (2023)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v16i1.16756

Abstract

This study aims to determine the effect of giving the type of biochar, the effect of the dose of NPK fertilizer, and knowing the interaction of the type of biochar and the dose of NPK fertilizer on the growth and production of green lettuce. This research was conducted in May 2020 at the Screen House of the Jember State Polytechnic with an altitude of ±89 meters above sea level. The method used is a factorial Completely Randomized Design (CRD). The first factor is the type of biochar which consists of 3 levels, namely B0 (without biochar), B1 (rice husk charcoal biochar), B2 (coconut shell biochar). The second factor is the dose of NPK fertilizer which consists of N0 (NPK 0.501 g), N1 (NPK 1.02 g), N2 (NPK 2.04 g). Parameters observed were number of leaves (strands), plant height (cm), leaf area (cm2), canopy wet weight (gr), canopy dry weight (gr), root wet weight (gr), root dry weight (gr), and total chlorophyll content. Based on the results of the recapitulation analysis of the F test, the application of biochar fertilizer on the growth and production of green lettuce gave a very significant effect on the chlorophyll amount of treatment B2 (coconut shell biochar), the application of NPK fertilizer got significantly different results in the treatment of plant height 3 WAP, number of leaves 3 MST and leaf area with the highest yields were 29.33 cm (N3), 11.56 strands (N3) and 116.56 cm2 (N3). There was no interaction between biochar treatment and the position of NPK fertilizer.
Bioactivity Test of Annona muricata, Chromolaena odorata, and Tinospora cordifolia extracts against Spodoptera frugiperda R. Arif Malik Ramadhan; Efrin Firmansyah
Agrovigor Vol 16, No 1 (2023)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v16i1.10668

Abstract

The most strategy to control Spodoptera frugiperda in Indonesia is using synthetic pesticides. Synthetic pesticides for pests control are causing many negative effects. The use of biopesticide can be an environmentally friendly solution to control S. frugiperda. In line with the Vision and Mission of Universitas Perjuangan Tasikmalaya to develop local wisdom, it is necessary to study the potential of some local plants as vegetable pesticides against S. frugiperda. Result of field observations obtained three plants suspected of having potential as vegetable pesticide, including: Annona muricata, Chromolaena odorata, and Tinospora cordifolia. This study aims to test the bioactivity of the three plant extracts against larval mortality, antifeedants, and development inhibition of S. frugiperdalarvae. The test was carried out with the residue method on the feed withno-choice test. Each plant extract was tested with a concentration of 1%, 2%, 3%, and one control treatment. Each treatment used 10 larvae of S. frugiperdasecond instar and repeated three times. The best control potential was shown by A. muricata 3% extract. Extract A. Muricata 3% can control S. frugiperda with a larval mortality value of 83.33 ± 5.77%, antifeedant activity by 91.11%, and inhibits larval development up to 3.84 days.
The effect of plant distance pattern on growth and production of Abelmoschus esculentus (L.) Moench Janan Nabilah Nur Indriana; Sinar Suryawati; Siti Fatimah
Agrovigor Vol 16, No 1 (2023)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v16i1.14596

Abstract

Green Okra Abelmoschus esculentus (L.) Moench is a plant  whose fruit is used as a vegetable. The content of phenolic compounds and flavonoids in okra is a natural antioxidant that is safe for the body. One way to increase okra production is to expand land by adjusting the spacing pattern. The right spacing pattern can reduce the level of competition between plants for sunlight, water, and nutrients and will reduce pests and plant disease. This study aims to obtain the right spacing pattern for maximum growth and yield of green okra plants. The research was conducted on the land owned by PT. Mitratani Dua Tujuh located in the village of wells, Ajung District, Jember Regency, using a randomizide block design with 3 replications treatment. The treathment of the spacing pattern consisted of 4 levels namely, J0 (20 cm x 40 cm x 20 cm), J1 (20 cm x 80 cm x 20 cm), J2 (15 cm x 15 cm x 80 cm x 15 cm x 15 cm) dan J3 (15 cm x 15 cm).  Observational data were analyzed using analysis of variance and further test of the sallest significant difference with a level of 5%. The results showed that the spacing pattern treatment had a significant effect on the parameters of plant height, number of stem segments,number of leaves, fruit diameter, fruit lengts,fruit weight per plant, fruit weight size S per plant, fruit production per hectare. Treatment of spacing pattern J1 (20 x 80 x 20) tended to produce fruit weight per plant and fruit production per hectare was higher than the other was treatments.
The effect of giving goat manure on lettuce growth and product by using yard land in Dulolong Village, Alor District Andri Permata Timung; Nurkijah Bara; Ferdinan Demang
Agrovigor Vol 16, No 1 (2023)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v16i1.10327

Abstract

Goat manure is an organic fertilizer derived from goat manure which contains nutrients that are beneficial for plant growth and development. The purpose of this research was to (1) determine the effect of organic goat manure on the growth and yield of lettuce with the use of yardland. (2) Knowing the best dosage of goat manure organic fertilizer in increasing growth and yield of lettuce by utilizing Yard. This study was designed using a randomized block design (RBD) with 6 treatments and 3 replications so that there were 18 experimental units. K1: Without treatment (Control) K2: fertilizer as much as 5 tons.ha-1 K3: fertilizer as much as 10 tons.ha-1 K4: fertilizer as much as 15 tons.ha-1 K5: fertilizer as much as 20 tons.ha-1 K6: fertilizer as much as 25 ton.ha-1. To determine the effect of green manure using analysis of variance, if it is influential then continue using the Least Significant Difference test (LSD). The results showed that: (1) Dosing treatment of goat manure affected the growth of lettuce (plant height and the number of leaves) at the age of 1 MST, 2 MST, 3 MST, 4 MST, and 5 MST. However, it had no significant effect on the growth of the day after tomorrow at the age of 1 MST, 2 MST, 3 MST, 4 MST, and 5 MST, (2) Giving organic goat manure by 15 tons ha-1 gave the best effect in increasing lettuce production.
Level attack of caterpillar on oil palm (Elaeis guineensis Jacq.) plantations in Dharmasraya District, West Sumatera Province, Indonesia Zahlul Ikhsan; Dede Suhendra; Hidrayani Hidrayani; Sholih Kurniawati; Reza Tania
Agrovigor Vol 16, No 1 (2023)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v16i1.17809

Abstract

Caterpillars are insects that eat oil palm leaves. As a herbivore, its presence and feeding activity will be affected by the growth phase of the host plant. This study aims to determine the percentage and intensity of caterpillar attacks on oil palm (Elaeis guineensis Jacq.) which have not yet produced fruit in Dharmasraya Regency. The research was carried out in July-September 2022 and the location was determined using a purposive sampling method. The research was conducted in two immature oil palm plantations (Nagari Silago and Timpeh) and two mature areas (Nagari Sitiung and Muaro polite). Determination of sample plants was carried out diagonally and taken ± 10% of the total population of palms. The caterpillars found during the research in the oil palm plantations of Dharmasraya Regency consisted of 2 species, namely Setora nitens and Setothosea asigna. At the four study locations, the average percentage of infected plants, infected midribs, and attack intensity were 43.47; 40.71; and 19.86 %. Immature oil palm plants have a higher rate of fireworm attacks than mature ones.
Phytoremidation by Sansevieria sp. through absorption of Carbon Monoxide (CO) Hari Iswoyo; Abd. Haris Bahrun; William Ganing
Agrovigor Vol 16, No 1 (2023)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v16i1.18258

Abstract

This study aims to determine the quality of Sansevieria plants in absorbing carbon monoxide (CO) and to determine the relationship of stomatal conditions to the quality of carbon monoxide (CO) absorption. The research was conducted in the form of a 2-factor factorial experiment using a Randomized Group Design as the environmental design. The experiment consisted of 2 factors, the first factor was the variety of Sansevieria plants consisting of three varieties, namely Sansevieria trifasciata, Sansevieria cylindrica and Sansevieria green hahnii, while the second factor was the concentration of carbon monoxide (CO) consisting of two levels, namely: the concentration of carbon monoxide released at 300 ppm and the concentration of carbon monoxide released at 800 ppm. The results showed that there was no interaction between varieties of Sansevieria plants with carbon monoxide concentrations on the quality of carbon monoxide (CO) gas absorption. The results showed no interaction between the varieties of Sansevieria plants and carbon monoxide concentrations in terms of the quality of carbon monoxide (CO) gas absorption. Sansevieria plant varieties that are given a carbon monoxide concentration of 300 ppm give the best effect on the total percentage of carbon monoxide gas absorption, which is 89.50%.
Symptom variation and disease severity of Sweet potato leaf curl virus on sweet potato in Gianyar Ni Kadek Sattvika Griyaningsih; Listihani Listihani; I Gusti Ayu Diah Yuniti; Putu Lasmi Yulianthi Sapanca; Ni Putu Eka Pratiwi; Ni Putu Pandawani; Dewa Gede Wiryangga Selangga
Agrovigor Vol 16, No 1 (2023)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v16i1.19044

Abstract

Sweet potato production fluctuates every year, one of the factors causing the decline in production is the presence of pests and diseases. Sweet potato leaf curl virus (SPLCV) has been reported to infect sweet potatoes in Indonesia in 2022. Until now, there is no information regarding the variation in symptoms and severity of SPLCV disease in sweet potatoes. Therefore, this study aims to analyze the variation in symptoms and severity of SPLCV disease in Gianyar, Bali. The research was carried out directly in the field with observational parameters such as symptoms variation, incidence and disease severity. Observations were made every week when the plants were 63 to 91 days after planting (DAP). The results showed that SPLCV causes a variety of symptoms in the form of mild vein clearing, severe vein clearing, upward vein clearing, and downward vein clearing. The incidence and severity of the disease has increased every week. The incidence and severity of the disease were highest when the plants were 91 DAP, namely 73.33% and 40%, respectively. The high incidence and severity of the disease in the field is due to the use of stem cuttings from previous plants which may have been infected with SPLCV and whitefly vectors are always found in the field.
Seed priming application to increase sorghum vigor and viability of Sorghum bicolor Retno Dwi Andayani; Aulia Dewi Rosanti
Agrovigor Vol 16, No 1 (2023)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v16i1.12995

Abstract

Sorghum is one of developed plants for food diversification because it caontains nutrients and has the potential to be an alternative crop. This is also supported by the advantages of sorghum such as adaptive, drought tolerant, salinity tolerant, wide adaptabiliti and lower water requirements for season compared to other commodities. Behind its advantages, soghum has low vigor and viability. Low vigor and viability cause low growth simultaneously. The uneven growth of sorghum makes fertilizer application and harvesting more difficult. It also increases labor costs because maintenance and harvesting cannot be done at the sam time. This can be overcome by seed priming. The purpose of seed priming is to increase the germination rate, percentage of gemination, simultaneity of growth and germination speed. This research was conducted in a controlled temperature room using a factorial randomized block design. First factor is 3 sorghum varieties and the second factor is kind of solvent (Water, Hot water, KNO3, and Ascorbic acid). The result showed that there was an interaction between sorghum varieties and kind of solvent. KNO3 gives optimal results in all sorghum varieties compared to other ingredients.

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