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Journal : Cropsaver : Journal of Plant Protection

Formulation of Fungi for Cocoa Pod Waste Decomposition and Cocoa Pod Rot Control (Phytopthora palmivora Butl.) Kuswinanti, Tutik; Brugman, Eirene; Putri, Nur Annisa; Nurhidayaha, Andi; Nasruddin, Andi
CROPSAVER Vol 7, No 1 (2024)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v7i1.51387

Abstract

The development of cocoa in Indonesia was followed by an increase in cocoa waste in the form of fruit skins as much as 75% of fruit skins. The purpose of this study was to determine the formulation of fungi (Trichoderma harzianum and Pleurotus ostreatus)and methods of composting cocoa fruit skin waste as well as analysis of the quality of the compost produced.  The research was conducted at Bontomanai village, Bungayya sub-district, and Gowa district which all have composting facilities on February to June 2023 . The quality testing of compost and counting the amount of Phytophtora palmivora spores in cocoa pod husk compost was carried out in the Plant Disease Laboratory, Department of Plant Pest and Disease, Faculty of Agriculture, Hasanuddin University. This study consisted of three activities, there were producing compost, checking the quality and maturity of the compost, and measuring the amount of P. palmivora spores in the cocoa pod husk compost. This study included six treatments, notably P0: without Bioactivator, open pile, P1: T. harzianum, open pile, P2: P. ostreatus, open pile, P3: T. harzianum + P. ostreatus, open pile, P4: T. harzianum + P. ostreatus, open pile P4: without Bioactivator, close pile, P5: T. harzianum, close pile, P6: P. ostreatus, close pile, P7: T. harzianum + P. ostreatus close pile. Based on the compost maturity test and nutritional content analysis of cocoa waste, it can be seen that the most effective treatment in composting cocoa pod shells was the T. harzianum + P. ostreatus in open pile treatment, the highest levels of P2O5 and K2O but lowest levels of C/N.  Composting process had also reduced the amount of P. palmivora in cocoa pod husk waste.
Pathotype Determination of Xanthomonas oryzae pv. oryzae (Xoo), the causal agent of Bacterial Leaf Blight and Resistance Reactions of several Rice Varieties in South Sulawesi Nurmujahidin, Nurmujahidin; Patandjengi, Baharuddin; Kuswinanti, Tutik; Darmawan, Andi Alfian
CROPSAVER - Journal of Plant Protection Vol 8, No 1 (2025)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v8i1.64089

Abstract

Bacterial leaf blight (BLB), caused by Xanthomonas oryzae pv. oryzae (Xoo), is a major disease of rice. This study aimed to determine the Xoo pathotypes present in rice-growing areas of South Sulawesi and to evaluate the resistance of selected rice varieties. The research was conducted at the Agricultural Biotechnology Research and Development Center and the Plant Pests and Diseases Laboratory, Hasanuddin University, Makassar. Xoo isolates were cultured on Wakimoto medium and inoculated using the clipping method. Five differential varieties (Kinmaze, Wase Aikoku, Tetep, Java 14, and Kogyoku) were used to classify the pathotypes, while five commercial rice varieties (Inpari 6, Ciliwung, Ciherang, IR 64, and Pioneer) were tested for resistance. Six Xoo isolates were classified into pathotypes VI, VII, VIII, and XI, with pathotype VIII being the most dominant (33.3%). Inpari 6 and Ciliwung showed resistance to all tested pathotypes. Ciherang was resistant to most pathotypes but moderately susceptible to VIII. IR 64 and Pioneer displayed varying degrees of resistance and moderate resistance. These findings highlight the presence of diverse Xoo pathotypes and identify rice varieties with broad-spectrum resistance, providing valuable information for the development of BLB management strategies suited to specific regional conditions.
Co-Authors . Rahmawati A. Irma Suryani A. Masniawati Abri A, Abri Ade Putri Rezkiani R Ade Rosmana Ade Rosmana Ade Rosmana Afriyanda, Afriyanda Ahyar Ahmad Akib, Muhammad Akhsan AMIN NUR Andayani, Nining Andi Ilham Latunra Andi Nasruddin Andi Nuddin Anshori, Muhammad Fuad Arfa Astuti Arif Ayu Eka, Nur Fadhillah Azurah, Nur Baharuddin Baharuddin Baharuddin Patandjengi Brugman, Eirene Brugman, Irene Burhanuddin Rasyid, Burhanuddin Busthanul, Nurabaya Darmawan, Andi Alfian Dewi, Tirta Kumala Efendy, Roy Eka Wisdawati Enny Lisan Sengin, Enny Entis Sutisna Fadhli, Nur Farid, Muh Fitri Harfiani Gassing, Satriani Gilang Kurrata Hikmahwati Hikmahwati Hishar Mirsam Iradhatullah Rahim Junaid, Muhammad Kahar Mustari Kahar Mustari Kaimuddin Kaimuddin, Kaimuddin Laode Asrul, Laode Mario, M Bayu Melina Melina Melina Mita Yusri Muh. Akhsan Akib, Muh. Akhsan Muhammad Azrai, Muhammad Musrizal Muin Mustika Tuwo Mustika Tuwo, Mustika Novianti, Fira Nur Azizah Salimah Nur Hardina Nur Rosida Nurbaya ., Nurbaya Nurbaya N, Nurbaya Nurhidayaha, Andi Nurmujahidin Nurmujahidin, Nurmujahidin Nurul Fauziah Nurul Mukhlisah, Nurul Priyanto, Slamet Bambang Putri, Nur Annisa Rahma Rahma Rahma, Rahma Ramdani Ramdani Retno Prayudyaningsih Rinaldi Sjahrir, Rinaldi Sahlan, Fadyah Khamila Salengke, Salengke Sarjiya Antonius Soraya Udin Saputri Sri Sukmawati Suriani Suriani Syamsuddin Millang, Syamsuddin Syatrawati Syatrianti A. Syaiful Syatrianty Andi Syaiful THAMRIN, SULAEHA Willy Bayuardi Suwarno YUNUS MUSA Z, Bunyamin Z. Kumalawati