PENGARUH GAS BUANG KNALPOT TERHADAP PERTUMBUHAN TANAMAN TOMAT (Solanum lycopersicum L.)
Abstract
Abstrak: Penelitian ini bertujuan untuk mengetahui pengaruh dari pemaparan gas hasil dari knalpot terhadap pertumbuhan dan hasil tanaman tomat yang telah dilakukan di Rumah Kaca. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) dengan pola faktorial yang terdiri dari 2 faktor dan 3 kali ulangan. Faktor pertama adalah umur tanaman tomat yang terdiri dari dua taraf, yaitu umur tanaman 1 bulan dan tanaman berumur 2 bulan. Faktor kedua adalah taraf lama pemaparan (kontrol di luar chamber, kontrol di dalam chamber, lama pemaparan selama 15 menit, 30 menit, 45 menit dan 1 jam). Hasil penelitian menunjukkan terjadi interaksi antara umur tanaman dengan lama pemaparan terhadap pertumbuhan tanaman tomat. Berdasarkan Uji statistik hasil tertinggi ditunjukkan pada umur tanaman 2 bulan (P2) yang berada pada kontrol dalam (T2) sebesar 81,3 cm dan hasil terendah pada umur tanaman 1 bulan (P1) yang berada pada lama pemaparan selama 60 menit (T6) sebesar 34,9 cm.
Kata kunci: tanaman tomat, pertumbuhan tanaman, lama pemaparan, rancangan acak kelompok, pencemara udara.
Abstract: This research is designed to find out the impact of the exposure of the exhaust fumes which come from the mufflers on growth of the tomatoes cultivation which has been conducted in the Green House. This research used Randomized Block Design with factorial pattern which consisted of 2 factors and 3 time repetitions. First factor was age of the tomatoes cultivation which made up in two levels, that is, cultivation age has one month and the cultivation has two months in age. Second factor was long of duration for the exposure (in field control, in chamber control, duration of exposures were 15 minutes, 30 minutes, 45 minutes and 1 hour respectively). The research results revealed that the interactions have been occurred between the cultivation age and duration of exposure on growth the tomatoes cultivation. Based on the statistical test, highest result is shown on the cultivation with 2 month in age (P2) which is existed under control (T2) as high as 81.3 cm, in height and lowest result was on the cultivation with 1 month in age (P1) which is existed on long of duration of the outpouring for 60 minutes (T6) as high as 34,9 cm in height.
Keywords: tomoto plant, growth of plant, duration of exposure, randomized blok design, air polution
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