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MP Editor, Ir. Dian Indratmi, MP
Universitas Muhammadiyah Malang
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Journal : Journal of Tropical Crop Science and Technology

 1 
Applications Various Extracts of Plant On Stem Growth Response of Red Dragon Fruit (Hylocereus polyrhizus) Sanjaya, Wiwit; Indratmi, Dian; Sufianto, Sufianto
Journal of Tropical Crop Science and Technology Vol. 1 No. 1 (2019): VOLUME 1, NO. 1, MARET 2019
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jtcst.v1i1.7875

Abstract

This study aims to determine the response of the growth of red dragon fruit stem cuttings (Hylocereus polyrhizus) with the treatment of various plant extracts and dosage of goat manure. This research was conducted in experimental garden of UMM. This research was conducted from October 2017 until January 2018. The study used a randomized block design, which was repeated 3 times with 2 factors. Factor 1 is a kind of plant extract and factor 2 is the dosage of manure. Factor 1 consists of 4 level, while factor 2 that consists of 3 level. Observation parameters include: Shoots, shoot number, shoot length, root length, root number, total wet weight, shoot dry weight, wet root weight, and root dry weight. The results showed that the treatment of green bean sprout extract and dose 187.5 g / polybag showed the best result on the number of shoot and wet weight of cuttings. Treatment of green bean sprout extract showed relatively good results. Treatment of fertilizer doses of 187.5 g / polybag showed relatively good results.
Study of Growth and Production of Cotton Crops on Organic and Inorganic Fertilization Diana, Nunik; Indratmi, Dian
Journal of Tropical Crop Science and Technology Vol. 4 No. 1 (2022): VOLUME 4, NO. 1, MARCH 2022
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jtcst.v4i1.29734

Abstract

The study aimed to determine the effectiveness of organic and inorganic fertilization and to obtain the right dose of organic and inorganic fertilizers for the growth and production of seed cotton plants. The research was designed using a Randomized Group Design with 8 treatments repeated 5 times. The treatments were inorganic fertilizer Balittas package dose (100 kg N + 37.5 kg P2O5 + 37.5 kg K2O), Balittas package dose treatment with the addition of cottonseed cake bokashi, Balittas package dose with the addition of cow manure, Balittas package dose with the addition of cottonseed cake bokashi and cow manure and treatment with a dose of 1⁄2 Balittas package with the addition of organic fertilizers mentioned above, and treatment only with the use of organic fertilizers. The results showed that the treatment of organic and inorganic fertilizers was very effective in increasing the growth and production of cotton plants. The fertilization dose of Balittas package (100 kg N + 37.5 kg P2O5 + 37.5 kg K2O) + cottonseed cake bokashi + cow pukan gave better growth and production compared to other treatments, but the fertilization treatment of 1⁄2 dose of Balittas package (50 kg N + 18.75 kg P2O5 + 18.75 kg K2O) + cottonseed cake bokashi tended to be more efficient.
Effect of Paitan Compost Fertilizer and Corn Rooting Rhizobakteri on the Growth and Yield of Glutinous Corn (Zea mays L. ceratina) Indratmi, Dian; Roeswitawati, Dyah; Firdaus , Tamara
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.v6i1.32972

Abstract

Glutinous rice corn crops in Java show low productivity despite their potential. Agricultural land issues in Indonesia, such as soil fertility and excessive use of inorganic fertilizers, persist. Tithonia diversifolia plants are utilized for composting to address these concerns. Additionally, corn root microorganisms act as biological fertilizer, enhancing plant growth. This study aims to investigate the interaction between Tithonia compost dosage and corn root Rhizobacteria on glutinous corn growth and yield. Conducted in two locations—laboratory for Rhizobacteria isolates and field for composting and planting—the research employed a Divided Plot Design with 36 treatment combinations. Observations included plant height, stem diameter, leaf area, cob count, cob diameter, cob weight, and cob length. Results indicate interaction effects between Rhizobacteria and compost dosage on leaf area growth at 28 days post-planting. Additionally, there's an impact on stem blight intensity at 42 days post-planting. Rhizobacteria dosage didn't significantly affect plant growth or cob yield parameters. However, paitan compost dosage influenced plant height, stem diameter, and cob count, with the best response seen at 14 tons/ha dosage.
The Effect of Some Biological Fungicides and Liquid Organic Fertilizers on Sigatoka Disease on ‘Mas’ Banana Plants (Musa acuminata Colla) Kharisma, Anugerah Iffanda; Indratmi, Dian; Ikhwan, Ali
Journal of Tropical Crop Science and Technology Vol. 6 No. 2 (2024): VOLUME 6, NO. 2, OCTOBER 2024
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jtcst.v6i2.35876

Abstract

Banana (Musa acuminata Colla) is a tropical fruit with great economic potential and export prospects. According to the Directorate General of Horticulture, Ministry of Agriculture, banana production from 2009 to 2014 fluctuated due to attacks by Plant Destruction Organisms (PDO), particularly Sigatoka disease caused by the fungus Mycosphaerella musciola. This study investigated biological agents like Trichoderma sp. and Gliocladium sp., along with liquid organic fertilizers, to control the disease without synthetic fungicides.The research, conducted at the University of Muhammadiyah Malang, used a split-plot design with two factors: biological pesticides (Tricogreen, Natural Glio, Trico-G) and liquid organic fertilizers (rabbit urine POC, shrimp shell MOL, banana hump MOL). The experiment had nine treatment combinations with three plant samples each. Results showed that biological pesticides significantly reduced Sigatoka disease intensity, with the J3P3 treatment (Trico-G and Banana Hump MOL) achieving the lowest infection rate of 29.55%, reducing disease intensity by 70.45%. Liquid organic fertilizers also improved plant growth, increasing leaf number and leaf area. This indicates that biological agents and organic fertilizers effectively manage Sigatoka disease and promote healthy banana plant growth.
Co-Authors Ali Ikhwan Ananda, Sinta Margareta Andriawan, Sony Anggundari Septiana Dewi Kania, Dewi Diana, Nunik Dyah Roeswitawati Elfi Anis Saati Firdaus , Tamara Hartawati, Hartawati Hendra Kusuma Henik Sukorini Heri Prabowo Ismaya, Doni Febri Jamroji Jamroji Kharisma, Anugerah Iffanda Khusnul Khotimah Lili Zalizar Mochamad Chanan Mochammad Wachid Nidya, Nindy Novia Dwi Puspitasari Pranata Erdiansyah, Novie Rachmawan, Muhammad Danang Rahmawati, Puspita Sari Dewi Ririn Harini Sanjaya, Wiwit Sri Wahyuni Sufianto Sufianto Sujono Sujono Untung Santoso Wulandari, V. Safitri Yovi A Soedarsono