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Neni Gunaeni
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Uji Patogenisitas Isolat Colletotrichum sp. Asal Bawang Merah (Allium ascalonicum) Terhadap Perkembangan Penyakit Antraknos Pada Varietas Cabai Eli Korlina; Ineu Sulastrini; Neni Gunaeni
Gunung Djati Conference Series Vol. 18 (2023): Prosiding Seminar Nasional Biologi (SEMABIO) Tahun 2022
Publisher : UIN Sunan Gunung Djati Bandung

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Abstract

One of the main diseases in chili (Capsicum annuum) that can attack the fruit is anthracnose. The cause of this disease is caused by the fungus Colletotrichum spp. which can reduce production. In chili plants centers, farmers often intercrop it with shallots. Therefore, shallots can also be affected by anthracnose disease. This study aims to determine the pathogenicity of anthracnose isolates from shallots against infection by chili on a laboratory scale. The study was conducted at the Mycology Laboratory of the Indonesian Vegetables Research Institute (IVEGRI) in January 2020. The experiment used three shallot anthracnose isolates from Cipanas, Rancaekek and Lembang, also using three varieties of chili namely Kencana, Pilar, and Castillo. The results of the pathogenicity test showed that the Colletotrichum sp. isolate from shallots from Lembang, Cipanas, and Rancaekek could potentially cause anthracnose symptoms in chili with the highest lesions in Pilar varieties (1.61 cm) and the lowest in Kencana varieties (0.78 cm). Meanwhile, from the three sources of shallot isolates, whose incubation period is the fastest and the symptoms are always present in the inoculated chilies is Colletotrichum sp. isolate from Rancaekek.
PENGARUH EKSTRAK TANAMAN DAN PREDATOR TERHADAP PENGENDALIAN ORGANISME HAMA DAN PENYAKIT UTAMA PADA TANAMAN CABAI Neni Gunaeni; Redy Gaswanto; Astri Windia Wulandari; Eli Korlina
Gunung Djati Conference Series Vol. 18 (2023): Prosiding Seminar Nasional Biologi (SEMABIO) Tahun 2022
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (917.887 KB)

Abstract

The use of plant extracts and predators is an alternative for pests control and disease that are safe for the environment. The aim of this research is to find out plant extracts and predators in controlling major pests and diseases effectively. The research was conducted at the Indonesian Vegetable Research Institute at an altitude of 1250 m above sea level from June to December 2018.The design used was Randomized Block Design and was repeated 4 times. Tried treatment: (A). Spinach (Amaranthus spinosus) extract. (B). Four o'clock flower (Mirabillis jalapa). (C). Given the predator Menochillus sexmaculatus at the beginning of planting. (D). Synthetic insecticide with the active ingredient Immidaclorprid. (E). Spinach spinach extract + predator. (F). Four o'clock flower extract + predator. (G). Spinach Extract + Predator + Insecticide. (H). Four o'clock flower + predator + Insecticide. (I). Control. Research results: (1). Plant growth is not affected by treatment. (2). Phytotoxic symptoms due to treatment of plant extracts did not appear in plants. (3). The treatment of giving predatory M. sexmacullatus at the beginning of planting + insecticide, combination of spinach thorn extract + predator + insecticide, combination of four o'clock flower extract + predator + insecticide, increased its efficacy against chili pests and diseases and had an impact on low fruit diseases and increased yields.
Co-Authors Astri Windia Wulandari Eli Korlina Eli Korlina Ineu Sulastrini Redy Gaswanto