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JURNAL BUDIDAYA PERTANIAN
Published by Universitas Pattimura
ISSN : 18584322     EISSN : 2620892X     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
JURNAL BUDIDAYA PERTANIAN (Journal of Agriculture) first published in 2003 by the Department of Agriculture, Faculty of Agriculture, Pattimura University. Jurnal Budidaya Pertanian is an official publication of the Agriculture Faculty, Pattimura University, publishes primary research paper, review article, policy analysis, and research notes and preliminary results in all areas of agronomy. Manuscripts could be written either in English or in Indonesia.
Arjuna Subject : -
Articles 12 Documents
 1   2 
Search results for , issue "Vol 20 No 1 (2024): Jurnal Budidaya Pertanian" : 12 Documents clear
The Morphological Identification of Fungi Causing Cocoa Fruit Rot Disease and Inhibition Test of Bacillus spp. Against the Fungus in Vitro Elfina, Yetti; ., Irfandri; Sabirunah, Aisyah; Wijayanto, Dimas; Rizqi, Alfin; Mu'arif, Maulana
JURNAL BUDIDAYA PERTANIAN Vol 20 No 1 (2024): Jurnal Budidaya Pertanian
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jbdp/2024.20.1.83

Abstract

Cocoa plants in Nagari Bunga Tanjung, West Sumatra Province, are infected with cocoa pod rot disease by the fungal pathogen Phytophthora palmivora and this causes serious problems if not appropriately controlled. Therefore, Bacillus spp testing needs to be undertaken to obtain Bacillus spp that were more capable of inhibiting the growth of the pathogen. The research was conducted at the Plant Disease Laboratory, Faculty of Agriculture, Riau University in February-June 2024. Completely Randomized Design (CRD) were used in this emerimantal study with 5 treatments and 4 replicates so that 20 there were experimental units. The treatments given were: B0 : Without Bacillus spp, B1 : Bacillus amyloliquefaciens, B2: Bacillus cereus, B3: Bacillus pseudomycoides and B4: Bacillus velezensis. Variables observed were the macroscopic and microscopic characteristics of Phytophthora palmivora, the diameter of pathogenic colonies after the application of Bacillus spp. and the inhibition of Bacillus spp. bacteria against Phytophthora palmivora. Further testing was done through Duncan's New Multiple Range Test (DNMRT) at the 5% level. The results of the research conducted showed that the cause of cocoa fruit rot disease in Nagari Bungo Tanjuang is Phytophthora palmivora based on morphological characteristics. All Bacillus spp. namely: Bacillus cereus, Bacillus amyloliquefaciens, Bacillus pseudomycoides, and Bacillus velezensis were able to inhibit the growth of Phytophthora palmivora fungus in vitro. Bacillus cereus, Bacillus amyloliquefaciens, Bacillus pseudomycoides, and Bacillus velezensis were able to inhibit the growth of Phytophthora palmivora in vitro. Phytophthora palmivora with inhibition power of 38.89%, 40.28%, 43.33%, 77.78%, respectively.
Morfologi Bawang Merah (Allium ascalonicum L.) Pada Cekaman Kekeringan Terhadap Aplikasi Asam Salisilat Ginting, Theresia H.U; Ginting, Jonatan; Damanik, Revandy I.M
JURNAL BUDIDAYA PERTANIAN Vol 20 No 1 (2024): Jurnal Budidaya Pertanian
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jbdp/2024.20.1.90

Abstract

Shallots are the vegetable crop with the highest production in Indonesia. However, the problem with cultivating shallots is that they are not resistant to environmental stress such as drought. The decrease in soil water content to 60% of available water has caused a drought stress effect on shallot plants. The strategy that can be used to limit the harmful effects of lack of water on shallots is the application of salicylic acid. Salicylic acid plays an important role that enhances plant growth and development under drought stress conditions by reducing cell membrane damage in water-stressed plant leaves by reducing cellular lipid peroxidation and H2O2 accumulation. This research aimed to study the growth, yield and physiological responses of shallots under drought stress conditions with the application of salicylic acid. This research was carried out in the greenhouse of the Faculty of Agriculture, University of North Sumatra, Medan from April to June 2024. This research used a factorial randomized block design with 2 treatment factors. The first factor of antioxidant spraying consisted of 4 levels, namely 0 mM (control), 0.5 mM, 1 mM and 1.5 mM. The second factor was the level of drought stress (percentage of soil water content) which consisted of 3 levels, namely 80%, 60% and 40% FC. The results showed that drought stress decreased plant height, number of leaves, number of tillers, shoot fresh weight, root fresh weight, shoot dry weight, root dry weight. Meanwhile, application of salicylic acid up to 1 mM could increas shoot fresh weight, root fresh weight, shoot dry weight, and root dry weight.

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