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Cropsaver : Journal of Plant Protection
Published by Universitas Padjadjaran
ISSN : -     EISSN : 26215756     DOI : -
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
The objective of the CROPSAVER Journal is to present articles containing interesting and strategic issues. This journal discusses the discussion of articles with discussion rooms in the fields of plant pests and diseases, technology for pest control, taxonomy, insect physiology, biological insects, toxicology of pesticides, settlement pests that help research, research and research.
Arjuna Subject : -
Articles 107 Documents
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Effect of feed type on biology and nutritional indices of black soldier fly, Hermetia illucens L. (Diptera: Stratiomyidae) Irsyad, Andika Muhammad; Dono, Danar; Puspasari, Lindung Tri
CROPSAVER Vol 6, No 2 (2023)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v6i2.49536

Abstract

Hermetia illucens L. (Black Soldier Fly) larvae are used as a source of high protein for animal feed, in cultivation they must produce larvae with fast growth and development in large numbers as well as imago with a high reproductive rate. The success factor from the type of feed given, because it can affect the growth and development of the larvae. The research to find a better type of feed for the growth and development of larvae. The research conducted from March 2022 to February 2023 at the Pesticide and Environmental Toxicology Laboratory, Department of Plant Pests and Diseases, Faculty of Agriculture, Universitas Padjadjaran. The experiment used a completely randomized design with 4 treatments and 5 replications. The treatment used grain bran feed, rice bran with kale, bran with banana stems, and bran with chicken manure compost. The results showed that the type of grain bran feed with chicken manure compost produced better scores on net reproduction rate (2210.85 females/mother/generation), intrinsic rate of increase (46.43%), population doubling (3.6 days), proportion of live individuals (0.84 individuals), number of eggs (528.8 eggs), average weight (6.534 g), consumption rate (0.0112 g/day), relative consumption rate (0.0104 g/day), growth rate (…0,0123 g/day..), relative growth rate (0,0115 g/g/day), digestibility (3.1940%), efficiency conversion of food consumed (2.0033%), and efficiency consumption of digested food (2,2029%)  with increase respectively 4.58 times, 9.63 times, 4.61 times, 2.1 times, 2.27 times, 3.11 times, 2 times, 2.03 times, 1.14 times, 1.16 times, 2.88 times, 1.98 times, and 3.10 times compared to rice bran feed.
Diversity and Weed Dominance in Coconut Plantation Area At diferent Crop Stadiums in Tial Village, Central Maluku District Tanasale, Vilma Laurien; Kilkoda, Abdul Karim; Lahalimu, Zulkarnaen
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.v6i2.51028

Abstract

Weeds are plants whose presence is unwanted because they interfere with and reduce the yield of cultivated plants. One of the plantation crops with high economic value is coconut. Coconut is a commodity that can make a major contribution to the economy in Indonesia. The presence of weeds in coconut plantations will reduce yields. This study aims to determine the diversity and dominance of weed species that grow in the coconut plantation area in Tial Village, Central Maluku Regency. This study uses the "weed survey" method to collect data by direct observation in the field. In conducting vegetation analysis, the quadratic method was used with a sample plot measuring 1 m x 1 m. For sampling in the coconut planting area in Tial Country, 6 plant samples were taken at each plant stage to obtain 12 plant samples and repeated 3 times to obtain 36 observation samples. Observations of weeds in Tial Village showed that in the immature coconut planting area, there were 11 broadleaf weed species from 10 broadleaf weed families, 3 pakisan weed species from 2 pakisan weed families and 1 grassy weed species from the Poaceae and 1 type of tekian weed from the Cypeaceae tribe, as well as from observations of weeds in Tial Village, it shows that in the coconut plantation area at the productive stage, there are 13 types of broadleaf weeds from 11 broadleaf weed families, 2 types of pakisan weeds from 1 pakisan weed tribe and 1 type of grass weed from the Poaceae tribe and 1 type of tekian weed from the Cypeaceae tribe. Based on the total dominant value Summed Domination Ratio (SDR) the immature plant had the highest value, Thuja occidentalis 26.78 percent from the Convovulaceae tribe. In the coconut planting area the mature stage of the plant having the highest SDR value was Stelaria holasta.L 29.21 percent from the Caryophylaceae.
Effect of Fobio on Intensity of Moler Disease (Fusarium oxysporum) on Various Shallot Cultivars Elvira, Nolla Dwi; Wiyatiningsih, Sri; Suryaminarsih, Penta
CROPSAVER Vol 6, No 2 (2023)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v6i2.45747

Abstract

Fusarium oxysporum is the pathogen that causes moler disease which can reduce the productivity of shallot plants. The use of cultivars greatly affects the production. Control method that is more environmentally friendly is currently being pursued towards organic farming. Fobio is a biopesticide containing plant root microorganisms as biological control agents. This study aims to determine the effect of Fobio biopesticide on Fusarium wilt (moler) disease incidence and production of three shallot cultivars. The experiment was conducted in the shallot planting area of Sukorejo Village, Rejoso District, Nganjuk Regency, East Java. This experiment was arranged in the split plot design with two factors. The main plot of the concentration of the biopesticide formula (Fobio) consisted of 3 levels namely control (chemical fungicide), 5 ml/liter, and 10 ml/liter, and the subplot of shallot cultivar consisted of 3 types namely Tajuk, Biru Lanchor, and Super Philip. The observation in this study were the incubation period, disease symptoms, disease intensity, and shallot bulb yield. The results showed that Fobio biopesticide at the concentration of 10 ml/liter caused the same disease suppression as chemical fungicide (control) in the three shallot cultivars with the disease incidence of 18.78%. Fobio biopesticide concentration of 10 ml/liter had also the same effect as chemical fungicide on the production of those shallot cultivars, with the average wet weight of 2.25 kg/treatment and dry weight of 1.49 kg/treatment.
Pesticide Residues Analysis of Arabica Coffee Bean from Community Coffee Plantation Manglayang Mountain, Bandung Regency Rasiska, Siska; Maharani, Yani; Hutapea, Dedi Hutapea; Maxiselly, Yudithia; Wulandari, Ela Hasri
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.v7i1.53114

Abstract

Coffee is one of the export commodities that has produced gross domestic product up to 16.15% of the agricultural sector. However, pesticide residues in agricultural products remain a barrier in the context of exports and agricultural product safety. The study aims to analyze the pesticide residue content in coffee produced by farmers at the Manglayang Mountain Community Coffee Plantation (CCP) compared to the maximum residue limit. The method used in this research is explorative descriptive by collecting samples from the Giri Senang Forest Community, Legok Nyenang-Giri Mekar Village, Cilengkrang District, Bandung Regency, and analyzed with the method EN 15662:2018. A kilogram of coffee is washed and dried for two days, then separated from the skin of the coffee and the green bean. The green bean are then extracted by QuEChERS, by adding 1% acetic acid in acetonitril and the extract is cleansed using high SPE  dispersive. LC-ESI-MS/MS is operated in MRM mode, and validated according to the SANTE 12682/2019 requirements. The results of the research showed that the coffee from was not detected containing residues of pesticides from the organophosphate and carbamate groups. Thus, the coffee products from Manglayang Mountain CCP are considered safe to be consumed, and can be exported abroad.
Effectiveness of seed oil formulations of Azadirachta indica (A.) Juss and Barringtonia asiatica (L.) Kurz in controlling aphids (Aphis gossypii glover) on Strawberry (Fragaria x ananassa duch) plants Sudarjat, Sudarjat; Djaya, Luciana; Muhammad, Ardhi
CROPSAVER Vol 6, No 2 (2023)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v6i2.51238

Abstract

Strawberry production is often decreased by plant pest infestation in the field. One of the major pests is Aphis gossypii. Strawberry farmers typically use synthetic chemical pesticides to control aphid, however, this can pose serious environmental and human health problems if done continuously. The use of synthetic chemical pesticides can be minimized by using botanical pesticides, as they are safer for human health and the environment. Botanical pesticides that can be used include neem seed extract (Azadirachta indica) and sea poison tree (Barringtonia asiatica). The objective of this research was to test the effectiveness of neem and sea poison tree seed oil formulations against A. gossypii on strawberry plants. The experiment was conducted at CV Bumi Agro Technology, Lembang, from April 2023 to August 2023, arranged in the randomized complete block design consisting of 7 treatments with 4 replications. The treatments were application of neem and sea poison tree seed oil at different concentrations, as follow: (A) Control, (B) Abamectin 0.15%, (C) Neem Oil 2%, (D) Neem seed oil 50 EC 2%, (E) Neem seed oil 50 EC 1%, (F) Sea poison tree seed oil 30 SC 2%, and (G) Sea poison tree seed oil 30 SC 1%. The results showed that neem and sea poison tree seed oil formulations at the concentration of 2% were effective in controlling A. gossypii on strawberry plants.
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.
In-Vitro Antifungal Test of Methanol Extract of Butterfly Pea (Clitoria ternatea L.) Seeds Against Colletotrichum sp. the incitant of anthracnose of Red Chilli Suganda, Tarkus; Amanda, Lauren Thalita; Maharani, Yani
CROPSAVER Vol 6, No 2 (2023)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v6i2.48350

Abstract

Colletotrichum sp. the incitant of anthracnose, is very detrimental disease in chili plants. Anthracnose control relies on synthetic fungicides that can have a negative impact on the environment and human health, so more environmentally friendly control alternatives are needed. The butterfly pea plant (Clitoria ternatea L.) is often used as a traditional medicine because it contains functional compounds that are antifungal and antibacterial. This study aimed to test the antifungal effect of the methanol extract of butterfly pea seeds against Colletotrichum sp. of chili plants. The research was carried out from February to April 2023 at the Phytopathology Laboratory of the Department of Pests and Plant Diseases, Faculty of Agriculture, Universitas Padjadjaran. The research method used was an experimental method with poison food techniques in a Completely Randomized Design consisted of 5 treatments with 5 replications. The treatment concentrations of extract used consisted of 1%, 2%, 3%, control, and fungicide mancozeb 0.2% as a comparison. The results showed that the methanol extract of butterfly pea seeds provided the highest inhibition of colony growth (34%) at a concentration of 3%. Inhibition of conidia production of 28.8% was shown at a concentration of 1% but no inhibition at concentrations of 2% and 3%. Methanol extract from butterfly pea seeds could not inhibit the germination of conidia of the fungus Colletotrichum sp. but the germinated conidia become aborted and fail to develop as miselia. The effectiveness of the methanol extract of butterfly pea seeds is still lower than the mancozeb fungicide.
The Ability of Three Species of Yeast in Inhibiting the in vitro Growth of Sclerotium rolfsii Sacc., the cause of damping off on soybean plants (Glycine max L.) Hartati, Sri; Setiani, Cahya; Meliansyah, Rika; Yulia, Endah; Mayanti, Tri
CROPSAVER Vol 7, No 2 (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.v7i2.58059

Abstract

Damping off disease caused by Sclerotium rolfsii is one of the important diseases of soybean plants. Biocontrol is considered as more environmentally friendly control method. Yeast is one of the biocontrol agents that can be used to control plant pathogens. This study was objected to test the potential of three species of yeast in inhibiting the growth of S. rolfsii. The experiment was arranged in the completely randomized design. The treatments were dual culture of the pathogen vs the yeasts on PDA and double dishes of S. rolfsii against three yeast isolates i.e. Rhodotorula minuta Dmg 16 BEP, Candida tropicalis Lm 13 BE, Aureobasidium pullulans Dmg 11 DEP, and a control. The results of the dual culture antagonism test showed that the three tested yeasts could inhibit the colony diameter of S. rolfsii by 23.30% – 40.00%, and the sclerotia formation by 46,33% – 98,05%. The results of the double dishes antagonism test showed that the three tested yeast isolates could inhibit the colony diameter of S. rolfsii by 19.60% – 28.20% and could inhibit 100% of sclerotia formation. The treatment of A. pullulans Dmg 11 DEP produced the highest inhibition in both the dual culture and double dishes antagonism tests.
Inventory and Disease Incidence in 38 Accessions of Taro Plants (Colocasia esculenta L.) in Jatinangor, Sumedang Regency, West Java Yulia, Endah; Yunira, Alma; Hidayat, Syarif; Djaya, Luciana; Widiantini, Fitri; Suganda, Tarkus; Karuniawan, Agung
CROPSAVER Vol 7, No 2 (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.v7i2.58942

Abstract

Taro is an important agricultural commodity with considerable prospects for international market competition. However, its cultivation faces several challenges, particularly pathogen infections that can lead to substantial yield losses. Conducting a disease inventory in taro plants is essential for effective disease management and serves as a preliminary step in developing resistant taro varieties. This study aimed to document diseases affecting 38 accessions of taro plants. The research was conducted from August to October 2021 at the Ciparanje Jatinangor Experimental Field and the Phytopathology Laboratory within the Department of Plant Pests and Diseases at the Faculty of Agriculture, Universitas Padjadjaran, located in Sumedang Regency. The methodology employed both qualitative and quantitative descriptive approaches. Data collection involved observing the incidence and severity of diseases, as well as identifying the pathogens responsible for the diseases. A total of 292 taro plants were examined during this study. The diseases identified included brown leaf spot (Cladosporium colocasiae), shot hole (Phoma sp.), orange leaf spot (Neojohnstonia colocasiae), white leaf spot (putative Pseudocercospora colocasiae), and leaf blight (Phytophthora colocasiae), along with other symptoms suspected to be caused by root pathogens and viruses.The most prevalent disease observed at the experimental site was brown spot disease, while leaf blight was identified as the most damaging. The incidence of leaf spot and leaf blight reached 100% across nearly all accessions of taro planted at the research site, with the highest severity of disease recorded at 49.65%.
The Ability of Nano Chitosan and Bacillus subtilis (Ehrenberg) Cohn to Suppress the Growth of Alternaria porri (Ellis) Ciferri Al Farisy, Muhammad Restu; Meliansyah, Rika; Susanto, Agus; Hersanti, Hersanti
CROPSAVER Vol 7, No 2 (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.v7i2.58185

Abstract

Purple blotch disease, caused by the fungus Alternaria porri (Ellis) Ciferri, poses a significant threat to shallot crops. Environmentally friendly control methods, such as applying nano-sized chitosan and Bacillus subtilis (Ehrenberg) Cohn, offer promising alternatives. This study aims to determine the effective concentrations of nano chitosan and B. subtilis, individually and in combination, to suppress the growth of A. porri in-vitro. The research was conducted from March to June 2024 at the Phytopathology Laboratory and Plant Protection Biotechnology Laboratory, Department of Pests and Plant Diseases, Faculty of Agriculture, Universitas Padjadjaran. A completely randomized design was employed, consisting of nine treatments with three replications each: a control treatment, B. subtilis 107 CFU/ml, 50 ppm nano chitosan, 100 ppm nano chitosan, 200 ppm nano chitosan, B. subtilis 107 CFU/ml + 50 ppm nano chitosan, B. subtilis 107 CFU/ml + 100 ppm nano chitosan, B. subtilis 107 CFU/ml + 200 ppm nano chitosan, and 80% mancozeb. The results indicated that nano chitosan at a concentration of 100 ppm was the most effective single treatment which could suppress the growth of A. porri colonies by 94% and inhibit conidia germination by 95%. Meanwhile, B. subtilis 107 CFU/ml + 100 ppm nano chitosan is the most effective mixed treatment which could suppress the growth of A. porri colonies by 84% and inhibit conidia germination by 90%.

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