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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 8 Documents
 1 
Search results for , issue "Vol 17, No 2 (2024)" : 8 Documents clear
Growth response of cocoa seedlings (Theobroma cacao L.) ICCRI 06 clone with application of manure and Trichoderma sp. Cahyaningrum, Descha Giatri; Siwi, Kalista Hayu Margi; Sugiyarto, Sugiyarto; Harlianingtyas, Irma; Dinata, Gallyndra Fatkhu
Agrovigor Vol 17, No 2 (2024)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v17i2.26989

Abstract

The growth of cocoa seedlings (Theobroma cacao L.) is influenced by the use of the type of planting medium and the presence of supporting microorganisms, such as the Trichoderma sp. This research aims to determine the effect of giving Trichoderma sp. and manure on the growth of cocoa seedlings. The research used a factorial randomized block design (RBD) method consisting of 9 treatments which were repeated 3 times, so there were 27 experimental units. Factor 1 is chicken manure by 200, 300 and 400 g/polybag, factor 2 is Trichoderma sp. with different level of mixing. The parameters observed were plant height, number of leaves, stem diameter, wet weight of the crown, wet weight of the roots, dry weight of the crown, dry weight of the roots. The research results showed that M3 (400 g/polybag) gave the best results for the parameters of stem diameter, crown wet weight, root wet weight and root dry weight of cocoa plants. Giving Trichoderma sp. at a level of 10 mL L-1 gave the best results for stem diameter, root wet weight and root dry weight. The research results provide a positive contribution to the application of a combination of chicken manure (M1:200 g/polybag) with Trichoderma sp. (P2: 10 mL L-1) on stem diameter and root wet weight. 
Odonata diversity (Anisoptera & Zygoptera) at Purwodadi Botanical Garden, East Java, Indonesia Khafi, Achmad Muhaimin Nur; Megasari, Dita; Windriyanti, Wiwin; Ningrum, Linda Wige
Agrovigor Vol 17, No 2 (2024)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v17i2.26406

Abstract

Dragonflies are one of the insects that have an important role in maintaining the balance of the food chain and the sustainability of the ecosystem. Dragonflies can be used as a natural indicator of the quality of an ecosystem, changes in an environmental ecosystem and to assess the level of environmental damage. Dragonflies can also be used as an indicator of air cleanliness. The aim of this research is to inventory the diversity of dragonfly species (Odonata) in the Purwodadi Botanical Gardens, observe the influence of the environment on the behavior of dragonflies (Odonata), and identify the types of dragonflies in the Purwodadi Botanical Gardens. The inventory method for dragonfly species is carried out using the shipping method which includes direct capture, collection, identification of dragonflies, and data analysis, as well as direct observation. 11 species of dragonflies were found which are members of 6 families, namely Libellulidae, Gomphidae Platynemididae, Chlorocyphidae, Coenagrionidae, Euphaeidae. Diversity of dragonfly types found in 6 locations in the Purwodadi Botanical Gardens area. The results say that the types of dragonflies are not different, showing a close relationship with the ability to adapt to environmental changes. Dragonflies in the Purwodadi Botanical Gardens are included in medium diversity because they are in the range 1H'3 with a value of 1.8. while the Dragonfly Type evenness index shows a value of 0.7, which means high evenness. The results of calculating the distribution of dragonflies show that the overall distribution of dragonflies is regular, except for Euphaea variegata which has a clustered distribution. This research proves that dragonflies have an important role in life, their biological function is as a predator of small insects and as a bioindicator of the quality of an environment.
Resistance response of five maize grain varieties to Sitophilus zeamais and Sitophilus oryzae (Coleoptera: Curculionidae) Octavianti, Dewi Fortuna; Megasari, Dita; Prasetyawati, Endang Triwahyu
Agrovigor Vol 17, No 2 (2024)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v17i2.26407

Abstract

Warehouse pests that have the potential to damage corn kernels are Sitophilus zeamais and Sitophilus oryzae. Information on the resistance of corn kernels of several varieties is still little reported. Research on the resistance response of five varieties of corn kernels (Madura-3, Lokal Madura, Pioneer P32 Singa, P27 Gajah, and NK 212) to S. zeamais and S. oryzae pests was conducted at the Plant Health Laboratory, Agrotechnology Study Program, Faculty of Agriculture, National Development University “Veteran” East Java. This study aims to determine the response of feed type resistance in the form of five varieties of corn seeds to the attack of S. zeamais and S. oryzae pests. The results showed that the highest percentage of mortality of S. zeamais and S. oryzae imago was in corn seeds of Madura-3 (17.15%) and NK 212 (37.22%) varieties. Fecundity tests on S. zeamais and S. oryzae pests with the lowest mean were on corn seeds of P27 Gajah (6.33 grains) and NK 212 (4.33 grains). The lowest percentage of seed weight loss in S. zeamais and S. oryzae pests was in the varieties P27 Gajah (1.34%) and NK 212 (1.05%). The highest percentage of sex ratio of S. zeamais and S. oryzae imago was in the varieties P27 Gajah (1.57%) and NK 212 (1.23%). The conclusion of this study is that the maize seeds that are resistant to S. zeamais attack are the P27 Gajah variety, while the maize seeds that are resistant to S. oryzae attack are the NK 212 variety.
Analysis of the growth of two maize cultivars under various combinations of inorganic and bio-fertilization Hartanti, Dyah Ayu Sri; Yuliana, Anggi Indah
Agrovigor Vol 17, No 2 (2024)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v17i2.27569

Abstract

Enhancing maize plant growth can be achieved through the application of biofertilizers, inorganic fertilizers, and the use of appropriate cultivars. This study aimed to examine the effect of different dosage combinations of biofertilizers and inorganic fertilizers, as well as cultivar selection, on improving maize plant growth. The research was conducted from June to September 2024, in Sambirejo Village, Jogoroto Sub-district, Jombang Regency, at an altitude of 40 meters above sea level. The method used was a factorial randomized block design (RBD) with two factors: combinations of biofertilizer and inorganic fertilizer doses (P), and maize cultivars (K), with 3 repetitions. Observations included stem diameter, leaf area, and plant growth rate measured at 15, 30, 45, and 60 days after planting (DAP), as well as nitrogen (N) and phosphorus (P) uptake observed at 60 DAP. The results showed that the use of the ADV Jago cultivar, combined with 100% inorganic fertilizer and 10 ml of biofertilizer (P7), produced the most optimal leaf area at 60 DAP and plant growth rate from 45 to 60 DAP, while the use of the Hibrida P35 cultivar combined with 100% inorganic fertilizer and 10 ml of biofertilizer (P7) increased stem diameter at 15 DAP. The ADV Jago cultivar resulted in the most optimal leaf area at 30 DAP. Lower doses of inorganic fertilizer, 75% and 50%, combined with 10 ml of biofertilizer (P8 and P9) also resulted in stem diameter and leaf area that were not significantly different from the 100% inorganic fertilizer treatment.
Assessment of liquid, semi-solid, and powder formulations for delivering Trichoderma sp. as maize seed coating against Peronosclerospora maydis Arsyadmunir, Ahmad; Pawana, Gita; Triwidyantari, Rina Aulia; Khoiri, Syaiful
Agrovigor Vol 17, No 2 (2024)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v17i2.28287

Abstract

Downy mildew, caused by Peronosclerospora sp., is a major disease impacting maize (Zea mays L.) production, resulting in significant yield losses. This study evaluated the effectiveness of three Trichoderma sp.-based seed coating formulations (liquid, semi-solid, and powder) in reducing disease incidence and severity in maize. The experiment followed a completely randomized design with four treatments, including a control, replicated five times. The parameters assessed included disease incidence, severity, and control effectiveness over 35 days after inoculation. Results showed significant differences among treatments. The powder formulation (T3) demonstrated superior performance, reducing disease incidence by 42.3% and severity by 44.99% compared to the control (T0), which exhibited the highest disease levels. Control effectiveness of the T3 formulation reached 53.81%, categorized as moderately effective. The enhanced efficacy of the powder formulation is attributed to its ability to maintain high Trichoderma sp. populations, enabling sustained antagonistic activity through parasitism, antibiosis, and induced systemic resistance. These findings underline the potential of Trichoderma sp.-based seed coatings, particularly in powder form, as an environmentally friendly and practical alternative for managing downy mildew in maize.
Dry matter and nitrogen accumulation of sweet corn (Zea mays var. saccharatta L.) under salt stress Sukma, Kelik P W; Awidiyantini, Ruly
Agrovigor Vol 17, No 2 (2024)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v17i2.22550

Abstract

Sweet corn is popular among consumers due to its sweet taste, with ‘Bonanza’ being a variety widely cultivated by farmers in Madura. This research aimed to determine the dry matter and nitrogen accumulation in 'Bonanza' sweet corn under salt stress conditions. 'Bonanza' corn seedlings were grown in polybags containing a 1:1 mixture of soil and sand in a completely randomized design, with salt treatments of 0, 100, and 200 mM NaCl applied every two weeks. Each treatment was replicated eight times. Observed parameters included total plant weight, weight distribution of plant parts (roots, stems, leaves, tassels, ears, and seeds), percentage weight of plant parts, shoot/root ratio, and total nitrogen content in roots, stems, leaves, and seeds. Data were analyzed using one-way ANOVA followed by LSD post-hoc testing in SPSS 24. Results indicated that salt stress generally reduced total plant weight and the weights of individual plant parts. However, salt stress increased dry matter accumulation in leaves and stems, 2.5 and 8% respectively at a 100 mM increase in salt content, while decreasing it 11% in ear and 7.5% in seeds. Additionally, salt stress increased total nitrogen content in root, stems and leaves (average 2.6%) under but decreased in seeds (0.19%).
Inventory of pests attacking Adenium spp. in Denpasar city Gargita, I Wayan Diksa; Sudiarta, I Putu; Yuliadhi, Ketut Ayu; Sumartayasa, I Wayan Andi
Agrovigor Vol 17, No 2 (2024)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v17i2.24176

Abstract

The cultivation of Adenium spp. encountered several challenges involving physical, environmental, and plant pest interference factors. Inventory of pests aimed to find out the kind of pests, the symptoms of the attacks, and the percentage of the pests that attack Adenium spp. Samples were taken using a purposive method by taking pictures and observing plants attacked by pests in 4 sub-districts in Denpasar, namely West Denpasar, East Denpasar, South Denpasar, and North Denpasar. The research results show that several pests attack Adenium spp. in Denpasar City, including mealybugs, spider mite, red cotton bug, and aphids. The study's findings indicate that Adenium spp. in Denpasar City are susceptible to several pests, such as mealybugs, spider mite, red cotton bug, and aphids. These organisms induce the dehydration, withering, and stunted growth of plants due to fluid loss. Mealybugs exhibit the highest incidence of infestation, with a prevalence rate of 85%. Spider mites follow with an infestation rate of 50%, while red cotton bug and aphids display infestation rates below 50%. The presence of several pest insects in Adenium spp. is indicative, with certain pests posing a significant threat to the plants, perhaps resulting in severe damage or even plant mortality. This research can provide additional information of pests that attack ornamental plants so that the strategy of pest control on ornamental plants, especially Adenium, can be developed.
Analysis of the effect of organic supplements on the growth of Chrysanthemum explants (Chrysanthemum sp.) in tissue culture media Haris, Abdul; Abdullah, Abdullah; Aminah, Aminah; Akbar, Abdul; Dindasari, Dita
Agrovigor Vol 17, No 2 (2024)
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v17i2.27630

Abstract

Chrysanthemum (Chrysanthemum sp.) is an ornamental plant of high economic value with a continuously increasing demand, necessitating efficient production methods. Tissue culture techniques are one of the solutions that enable rapid and disease-free plant propagation. This study aims to evaluate the effect of organic supplements on the growth of chrysanthemum explants. The research was conducted using a completely randomized design with six treatments, namely control (without supplements), banana extract, corn seed extract, coconut water, and combinations of coconut water with banana and corn seed extracts. The results show that the banana extract supplement at a concentration of 50 g/L provides the best growth in terms of plantlet height, number of leaves, and roots compared to other treatments. The combination of coconut water and banana extract also significantly enhances growth. This study concludes that the use of organic supplements can improve the efficiency of chrysanthemum propagation through tissue culture, supporting more sustainable ornamental plant production.

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