Dirmawati, Suskandini R. and Suharjo, Radix and Efri, Efri and Purwandriya, Ferdi UPAYA PENGENDALIAN BUSUK CURVULARIA PADA NENAS (ANANAS COMOSUS L.) KULTIVAR MD2 MELALUI APLIKASI TRICHODERMA Spp. APPLICATION TRICHODERMA Spp. TO PROTECT PINEAPPLE MD2 CULTIVAR AGAINST CURVULARIA ROT. Seminar dan lokakarya nasional FKPTPI 2018 di Aceh. (Submitted)

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Abstract

ABSTRAK C. lunata dikenal sebagai penyebab bercak daun nenas namun sejak 2014 di Brazilia dilaporkan juga menyebabkan busuk buah nenas. Sebagai penghasil nenas, maka provinsi Lampung mengantisipasi meluasnya C. lunata dengan berbagai upaya di antaranya aplikasi Trichoderma spp. Penelitian ini bertujuan untuk menguji keefektifan Trichoderma spp. mengendalikan Curvularia lunata in vitro maupun insitu. Penelitian dilaksanakan di Laboratorium Penyakit Tanaman, Proteksi Tanaman Fakultas Pertanian Universitas Lampung. Penelitian dilaksanakan Tahun 2016 sampai dengan 2017. Nenas bergejala bercak daun dari Kecamatan Punggur, Lampung Tengah terserang C. lunata, 5 isolat Trichoderma sp. (Punggur, Gading Rejo, Trimurjo, Semuli Raya, dan Unila 01). Analisis ragam menunjukkan pengaruh nyata pada perlakuan, dilanjutkan uji lanjutan dengan Uji BNT (Beda Nyata Terkecil) pada taraf 5%. Hasil penelitian menunjukkan Trichoderma spp. Punggur menghambat laju pertumbuhan C. lunata dalam hal kecepatan pertumbuhan serta viabilitas spora, Trichoderma spp.Unila 01 menghambat C. lunata diindikasikan karena penurunan kerapatan spora. Kelima isolat Trichoderma spp. mampu menghambat C. lunata secara in vitro dengan persentase Trichoderma spp. Semuli Raya 55,97 %, Trichoderma spp. Trimurjo 62,12 %, Trichoderma spp. Gading Rejo 64,19 %, Trichoderma spp.Unila 01 sebesar 53,67 %, danTrichoderma spp. Punggur 66,19 %. IsolatTrichoderma spp. insitu Punggur menghambat C. lunata secara in planta dengan tingkat penurunan keparahan 20%. Kata kunci: Buah, Busuk, Curvularia, Daun, Nenas, Trichoderma ABSTRACT C. lunata is known to cause pineapple leaf spot but since 2014 in Brazil it has also been reported to cause pineapple rot. As a pineapple producer, the Lampung province anticipates the expansion of C. lunata with various efforts including the Trichoderma spp application. This study aims to examine the effectiveness of Trichoderma spp. to control Curvularia lunata in vitro and insitu. The study was conducted at the Laboratory of Plant Disease, Plant Protection Department, Faculty of Agriculture, Lampung University. The study was carried out in 2016 to 2017. Pineapple symptomatic leaf spot from Punggur District, Central Lampung was attacked by C. lunata, 5 isolates of Trichoderma sp. (Punggur, Gading Rejo, Trimurjo, Semuli Raya, and Unila 01). Analysis of variance showed a significant effect on the treatment, followed by further testing with BNT Test (Smallest Real Difference) at the level of 5%. The results showed Trichoderma spp. Punggur inhibits the growth rate of C. lunata by growth velocity and spore viability. Trichoderma spp. Unila 01 inhibits C. lunata by a decrease in spore density. The five Trichoderma spp. isolates inhibit C. lunata in vitro with the percentage of Trichoderma spp. Semuli Raya 55.97%, Trichoderma spp. Trimurjo 62.12%, Trichoderma sp. Gading Rejo 64.19%, Trichoderma sp. Unila 01 53.67%, Trichoderma sp Punggur 66.19%. Isolate Trichoderma spp. insitu Punggur inhibits C. lunata in planta with a decrease in severity of 20%. Keywords: Curvularia, Fruit, Leaves, Pineapple,Rot, Trichoderma

Item Type:	Article
Subjects:	S Agriculture > S Agriculture (General)
Divisions:	Fakultas Pertanian (FP) > Prodi Proteksi Tanaman
Depositing User:	SUSKANDINI RATIH DIRMAWATI
Date Deposited:	03 Nov 2018 09:20
Last Modified:	03 Nov 2018 09:20
URI:	http://repository.lppm.unila.ac.id/id/eprint/9404

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