Nugraha, Ichwan and Prasetyo, Joko and ivayani, ivayani and Akin, Hasriadi Mat MORPHOLOGICAL CHARACTERIZATION OF DOWNY MILDEW PATHOGEN ON MAIZE IN EAST LAMPUNG REGENCY. Jurnal Agrotek Tropika. ISSN 2337-4993 (Submitted)

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Abstract

MORPHOLOGICAL CHARACTERIZATION OF DOWNY MILDEW PATHOGEN ON MAIZE IN EAST LAMPUNG REGENCY Ichwan Surya Nugraha1), Joko Prasetyo2), Ivayani2), & Hasriadi Mat Akin2) 1Student of Agriculture Departement, Faculty of Agriculture, University of Lampung 2Lecturer of Agriculture Departement, Faculty of Agriculture, University of Lampung Bandar Lampung 35145, Indonesia.E-mail: ichwansurya@gmail.com ABSTRACT The cause of maize downy mildew in the Province of Lampung is Pernosclerospora sp. Recently a report mentions that the downy mildew on maize in Indonesia were caused by several species of Peronosclerospora. This study aimed to determine the pathogen that causes downy mildew and its characteristics on maize in East Lampung Regency. The research was done from January 2018 to March 2018 in Hajimena District Natar, South Lampung and the Laboratory of Plant Pests and Diseases, Faculty of Agriculture, University of Lampung. The research was conducted by looking for the maize which had downy mildew symptoms in East Lampung regency. The diseased plant was observed and indentified its pathogen. The results showed that the species of Peronosclerospora sp found on maize in East Lampung Regency was P. sorghi. The characteristic of the fungi are at 12.00 a.m. began to form early structure of conidiophores, then at 01.00 a.m. conidiophores began to form branches, at 02.00 a.m. conidiophores have been formed a perfect branching level and conidia develop, at 03.00 a.m. P. sorghi has formed a perfect structure, at 04.00 a.m. the conidia has mature, and at 05.00 a.m. the conidia began to detach from the conidiophores, other characteristic was oospore formation. Keywords : Characterization of Perosclerospora sp., Downy mildew, P. sorghi

Item Type: Article
Subjects: S Agriculture > S Agriculture (General)
Divisions: Fakultas Pertanian (FP) > Prodi Agroteknolgi
Depositing User: JOKO PRASE
Date Deposited: 11 Jun 2020 07:40
Last Modified: 11 Jun 2020 07:40
URI: http://repository.lppm.unila.ac.id/id/eprint/22272

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