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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.
PRODUKSI BENIH 17 VARIETAS BAWANG MERAH (Allium cepa L. var Aggregatum) DI DATARAN TINGGI PADA MUSIM HUJAN Nurmalita Waluyo; Joko Pinilih; Ineu Sulastrini; 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 (647.724 KB)

Abstract

Seeds are one of the factors that support the success of plant cultivation. This study aims to obtain information on seed production of 17 shallot varieties in the highlands during the rainy season. Research was conducted to find out the production of shallot seeds in Indonesian Vegetable Research Institute (IVEGRI) Lembang (1,250 m above sea level) from October to December 2020. The material used is in the form of 17 varieties of shallot from the IVEGRI, namely: Sembrani, Katumi, Maja Cipanas, Bima Brebes, Kuning, Pikatan, Trisula, Pancasona, Mentes, Kramat 1, Kramat 2, TSS Agrihort 1, TSS Agrihort 2, Violetta 1 Agrihorti, Violetta 2 Agrihorti, Violetta 3 Agrihorti, Ambassador 1 Agrihorti. Wet weight, dry weight of askip and seed weight per plot (15.4 m2) obtained range from 26.9 kg -58.4 kg, 18.0 kg -36.5 kg, and 10.0 kg -26.3 kg. Violetta 2 Agrihorti is the variety that produces the highest wet weight per plot, and Sembrani is the variety that produces the dry weight of askip and the highest seed weight. The ratio between the weight of the seeds planted with the seeds produced in this rainy season planting ranges from 2.6 (Sembrani) – 11.0 times (Violetta 3 Agrihorti) on average 7.1 times. The production of onion seeds can be carried out in the rainy season and is influenced by the variety.