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Journal : AGRIPEAT

https://doi.org/10.36873/ PENGENDALIAN PENYAKIT ANTRAKNOSA PADA BUAH PEPAYA MELALUI COATING METABOLIT SEKUNDER TRICHODERMA : Controlling The Anthracnose On Papaya Fruits By The Coating Treatment Using Secondary Metabolites Trichoderma sp. Rahmawati Budi Mulyani; Erina Riak Asie; C.C. Aruan
AgriPeat Vol. 22 No. 2 (2021): JURNAL AGRIPEAT VOL. 22 NO. 2, SEPTEMBER 2021
Publisher : Fakultas Pertanian Universitas Palangka Raya

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Abstract

The purpose of this study was to determine the effect of secondary metabolites Trichoderma longibrachiatum and Trichoderma viride to control anthracnose (Colletotrichum gloeosporioides) on postharvest papaya fruit. Phase I, in vitro experiment was performed with the variables as follows, M0 treatment: without secondary metabolites; M2: secondary metabolites of Trichoderma longibrachiatum; M3: secondary metabolites of Trichoderma viride. Phase II, in vivo testing was carried out on secondary metabolites with the best inhibition results during the Phase I, i.e. MT0: without secondary metabolites and without pathogens; MT1 : without secondary metabolites and was added with the pathogen; and MT2: secondary metabolites Trichoderma sp. and the pathogens. The in vitro test results showed that the secondary metabolites T. longibrachiatum produced the best zone of inhibition at 30.47 mm which was categorized as very strong. Secondary metabolites might affect the morphology of pathogenic hyphae such as twisted, lysis, shrinking or shrinking and swelling. In the in vivo test, there was no difference in the incubation period of the pathogen in all treatments, such as the early signs were observed on the 5th day. The lowest diameter of fruit damage was 1.93 mm in the secondary metabolites treatment of T. longibrachiatum (MT2) with only a 16.66% of disease severity compared to the group samples without secondary metabolites (MT1), which had the highest disease severity of 51.6%. Coating with secondary metabolites of T. longibrachiatum was able to extend the shelf life of papaya fruit to 8.33 days compared to the control only 6.73 days.
PEMANFAATAN SOLID KELAPA SAWIT DAN SP-36 UNTUK MENINGKATKAN PERTUMBUHAN DAN HASIL CABAI RAWIT (Capsicum frutescens L.) PADA SPODOSOLS: Utilization of Soil Palm Oil and SP-36 to Increase Growth and Yield of Cayenne pepper (Capsicum frutescens L.) on Spodosols Asie, Erina Riak; Prasetya, Prasetya
AgriPeat Vol. 24 No. 1 (2023): JURNAL AGRIPEAT
Publisher : Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/agp.v24i1.5410

Abstract

This study was conducted to examine the utilization of solid waste oil palm and SP-36 on the growth and yield of cayenne pepper on spodosols. This experiment used a factorial Completely Randomized Design (CRD) consisting of 2 treatment factors and 3 replication. The first factor is the provision of solid palm oil consisting of 4 (four) levels, namely without the provision of solid palm oil, 10 ton.ha-1, 20 ton ha-1, and 30 ton ha-1 solid palm oil. The second factor is the administration of SP-36 consisting of 4 (four) levels, namely : without giving SP-36, 100 kg ha-1, 200 kg ha-1 and 300 kg ha-1 SP-36. The variables observed were plant height, number of flowers plant-1, shoot/root ratio, dry weight plant-1, and fresh weight of fruit plant-1. The results showed that there was an interaction effect between oil palm solids and SP-36 on plant height, number of flowers, and fresh fruit weight of plant-1 on spodosol soil. The combination of solid oil palm 20 tons ha-1 and SP-36 200 kg ha-1 was the best combination in increasing the growth and yield of cayenne pepper on spodosols and produced the heaviest fresh fruit weight plant-1, which was 68,33 g plant-1.