Article

Uji Efektivitas Pestisida Nabati Daun Mengkudu Terhadap Pengendalian Penyakit Antraknosa Pada Tanaman Cabai

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Abstract

Anthracnose is a disease that attacks and is very feared in chili cultivation. The low production and productivity of chili plants is caused by this disease. The purpose of this study was to determine the effectiveness and concentration of noni leaf pesticides on the control of anthracnose. This research was arranged using a completely randomized design (CRD) with one factor, namely the treatment of giving concentrations of vegetable pesticides and noni. The treatment consisted of 6 levels of treatment, namely DM0 = Control (0 ml Noni leaf extract solution), DM1 = Noni leaf extract solution 5 g/100 ml water, DM2 = Noni leaf extract solution 10 g/100 ml water, DM3 = Leaf extract solution noni 15 g/100 ml water, DM4 = Noni leaf extract solution 20 g/100 ml water, FS = synthetic fungicide as positive control. The experiment was carried out 4 times, so that 24 experimental units were obtained. The results showed that noni leaf pesticides were effective in controlling anthracnose in cayenne pepper plants with an effective concentration found in DM4 treatment with 20 g/100 ml of water extract solution of noni leaf.

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... Upaya pengendalian telah banyak dilakukan untuk menekan perkembangan cendawan penyebab penyakit antraknosa. Berbagai penelitian terkait tindakan pengendalian terhadap penyakit antraknosa baik secara invitro maupun lapangan telah dilakukan, mulai dari pengendalian kimiawi hingga ke pengendalian secara organik (Habibi & Wijayanto, 2019;Suminar et al., 2022;Suparto et al., 2023), bahkan penggunaan mikroba endofitik Trichoderma sp sebagai agens hayati biofungisida terhadap Colletotrichum capsici (Alfia & Haryadi, 2022;Molebila et al., 2020). Meskipun demikian, informasi terkait tindakan pengendalian tersebut belum diketahui oleh petani sehingga terbatas dalam pengelolaan penyakit antraknosa pada tanaman cabai rawit. ...
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Anthracnose is an important disease in cayenne pepper plants that can cause yield loss. The aim of this research is to determine the presence of anthracnose disease in cayenne peppers in Kopidil Village, and also the level of farmers' understanding of the existence of this disease. The research was conducted in April-July 2023 in Kopidil Village with a sample size of 30 respondents. Data was collected using direct interview techniques with farmers with questionnaires. The data obtained was analyzed quantitatively descriptively using descriptive statistics such as percentages and averages. The research results show that 70% of farmers fall into the category of high to very high understanding, and 35.85% of farmers are very aware of the existence of anthracnose disease in cayenne pepper plants in Kopidil Village.
... mempunyai kemampuan mengatur perkembangan tanaman dengan mempengaruhi banyaknya daun dan tinggi tanaman. Menurut Suparto et al., (2023), jumlah unsur aktif dalam formulasi berkorelasi erat dengan konsentrasinya. Kapasitas suatu formulasi untuk menekan patogen akan lebih efektif bila konsentrasi unsur aktifnya lebih tinggi. ...
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This study aimed to determine the effect of using biodegradable polypropylene mulch and organic fungicide doses on the growth and yield of cayenne pepper plants. The research was conducted from 09 December to 02 March 2024 in the Cibungur Village Garden Land, Buniwangi Village, Surade District, Sukabumi Regency, West Java Province. This research used a Split Plot Design, which was arranged based on two treatment factors, factor 1, namely M0= control treatment, M1= polyethylene mulch, and M2= polypropylene mulch. Factor 2 is F0= control treatment, F1= 15 g, F2= 20 g, F3= 25 g, and there are 12 treatment combinations repeated three times, so there are 36 experimental units and consist of 2 plants, so there are 72 plants. The observation parameters were plant height, number of leaves, number of fruit per plant, number of fruit per plot, wet weight of fruit per plant, wet weight of fruit per plot, dry weight of fruit per plant, and dry weight per plot. The use of polypropylene mulch can significantly increase the growth of plant height, number of leaves, number of fruit per plant, number of fruit per plot, wet weight of fruit per plant, wet weight of fruit per plot, dry weight of fruit per plant and dry weight per plot. Giving a dose of 25 g can significantly increase the growth of plant height, number of leaves, number of fruit per plant, number of fruit per plot, wet weight of fruit per plant, wet weight of fruit per plot, and dry weight of fruit per plant. Dry weight per plant and dry weight per plot. There was a real interaction between biodegradable polypropylene mulch and a dose of 25 g organic fungicide on the wet fruit weight per plant and wet fruit weight parameters per plot.
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Effect of extraction from some parts of Mengkudu (Morinda citrifolia) to suppress anthracnose disease on chili (Capsicum annuum L). The research was conducted to study the effect of extract from some parts of Mengkudu on the growth of anthracnose disease on chilli (Capsicum annuum L). Some extraction of mengkudu parts such as from leaves, flowers and fruits and propineb fungicide were used in this research. Spore suspension of Colletotrichum capsici (108 spore/ml) used to inoculate chili plant one week before extraction of mengkudu (33 day after planting) was applicated. The result showed that application of leaf and flower extraction were effective to suppress disease incidence and severity, but fruit extraction was not effective. However, leaf and flower extraction did not significantly differ with propineb fungicide.
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Penelitian ini bertujuan untuk mempelajari pengaruh berbagai fraksi ekstrak daun mengkudu terhadap pertumbuhan dan perkembangan Colletotrichum capsici penyebab penyakit antraknosa pada cabai secara in vitro. Hasil analisis data menunjukkan bahwa perlakuan ekstrak daun mengkudu yang terlarut dalam alkohol konsentrasi 10%, 30%, 50%, 60%, 70%, 90% dan ekstrak daun mengkudu yang terlarut dalam aquades efektif menghambat pertumbuhan diameter pada koloni C. Capsici. Selain menghambat pertumbuhan vegetatif, ekstrak daun mengkudu yang terlarut dalam alkohol konsentrasi 10% dan 30% juga menghambat pembentukan spora (sporulasi) koloni C. capsici.
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