UJI KETAHANAN KAYU JATI KOMERSIAL TERHADAP RAYAP TANAH Coptotermes gestroi

INDRI, APRIYANI (2021) UJI KETAHANAN KAYU JATI KOMERSIAL TERHADAP RAYAP TANAH Coptotermes gestroi. Undergraduate thesis, UIN Raden Intan Lampung.

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Abstract

ABSTRAK Kayu jati merupakan kayu yang paling disukai dan sering digunakan oleh masyarakat sebagai bahan bangunan maupun furnitur karena keawetannya dan keindahan warnanya. Kayu jati yang beredar di pasaran memiliki variasi jenis yaitu kayu jati perhutani, kayu jati rakyat, kayu jati doreng, kayu jati emas, dan kayu jati super. Seiring dengan permintaan kayu jati yang semakin lama semakin meningkat maka perlu dilakukan penelitian tentang ketahanan kayu jati terhadap serangan rayap. Penelitian ini dilaksanakan di Laboratorium Universitas Islam Negeri Raden Intan Lampung pada bulan April sampai dengan Mei 2021. Desain penelitian yang digunakan yaitu Rancangan Acak Lengkap (RAL) menggunakan lima jenis kayu jati dengan masing-masing tiga kali pengulangan. Data tentang kehilangan berat kayu, mortalitas rayap dan derajat serangan rayap dianalisis menggunakan uji sidik ragam Anova dan uji lanjut Duncan dengan taraf signifikan sebesar 5%. Hasil penelitian menunjukkan bahwa persentase rata-rata kehilangan berat pada kayu jati perhutani, kayu jati rakyat, kayu jati doreng, kayu jati emas, kayu jati super, dan kontrol (kayu karet) berturut-turut yaitu 0.66%, 1.00% 1.16%, 1.50%, 2.16% dan 3.25%. Tingkat mortalitas rayap Coptotermes gestroi pada semua jenis perlakuan kayu jati berada pada kisaran 94.0% sampai dengan 99.3%, sedangkan pada perlakuan kontrol (kayu karet) sebesar 32.0%. Derajat serangan rayap pada kayu jati emas, kayu jati perhutani, kayu jati doreng, dan kayu jati rakyat termasuk ke dalam tingkat penyerangan rayap dalam skala nilai 40 yaitu mengalami sedikit serangan, sedangkan pada kayu jati super termasuk dalam tingkat penyerangan rayap dalam skala nilai 70 yaitu mengalami serangan sedang, dan pada perlakuan kontrol (kayu karet) tingkat penyerangan rayap dalam skala nilai 90 yaitu mengalami serangan berat. Berdasarkan klasifikasi ketahanan kayu, lima sampel uji kayu jati termasuk ke dalam ketahanan kelas I atau sangat tahan terhadap rayap tanah Coptotermes gestroi berdasarkan SNI 01-7207-2006. Kata kunci: Coptotermes gestroi, Kehilangan berat, Mortalitas, Derajat serangan rayap, Ketahanan kayu jati. iiABSTRACT Teak wood is the most preferred wood and is often used by the community as a furniture material because of its durability and beauty. There are various types of teak on the market, namely perhutani teak, rakyat teak, doreng teak, emas teak, and super teak. Along with the increasing demand for teak wood, it is necessary to conduct research on the resistance of teak to termites. This research was conducted at the Laboratory of the State Islamic University of Raden Intan Lampung from April to May 2021. The research design used was Completely Randomized Design (CRD) using five types of teak wood with three repetitions each. Data on wood weight loss, termite mortality and the degree of termite attack were analyzed using the Anova variance test and Duncan's follow-up test with a significant level of 5%. The results showed that the average percentage of weight loss in perhutani teak, rakyat teak, doreng teak, emas teak, super teak, and control (rubber wood) were 0.66%, 1.00% 1.16%, 1.50%, 2.16% and 3.25%. The mortality rate of termites Coptotermes gestroi in all types of teak wood treatment was in the range of 94.0% to 99.3%, while in the control treatment (rubber) it was 32.0%. The degree of termite attack on emas teak, perhutani teak, doreng teak, and rakyat teak are included in the level of termite attack on a scale of 40, which is experiencing a slight attack, while super teak is included in the level of termite attack on a scale of 70, namely experienced moderate attack, and in the control treatment (rubber wood) the level of termite attack on a value scale of 90 was experiencing severe attack. Based on the classification of wood resistance, five teak wood test samples were included in the resistance class I or very resistant to the subterranean termites Coptotermes gestroi based on SNI 01-7207-2006. Keywords: Coptotermes gestroi, Loss of weight, Mortality, Degree of termite attack, Resistance of teak wood.

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