Kualitas Buah Tomat pada Pertanaman dengan Mulsa Plastik Berbeda

D Setyorini, D Indradewa, E Sulistyaningsih

Abstract


Kondisi lingkungan merupakan salah satu faktor yang memengaruhi pertumbuhan tanaman. Memodifikasi
kondisi lingkungan selain akan memengaruhi pertumbuhan tanaman juga dapat memengaruhi kualitas buah yang
dihasilkan. Penelitian dilaksanakan di Kebun Percobaan dan Laboratorium Hortikultura, Fakultas Pertanian, serta
Laboratorium Pangan dan Gizi, Fakultas Teknologi Hasil Pertanian, Universitas Gadja Mada, Yogyakarta, pada bulan
Februari sampai Juni 2004. Rancangan yang digunakan adalah acak kelompok, 5 perlakuan warna mulsa plastik
dengan 4 kali ulangan. Variabel pengamatan meliputi jumlah buah per tanaman, buah rusak per plot, berat per buah,
diameter dan panjang buah, kekerasan buah, nilai kematangan buah, total padatan terlarut dalam buah, kandungan
vitamin C buah, dan kandungan asam dominan buah. Hasil penelitian menunjukkan bahwa warna mulsa plastik
berpengaruh terhadap parameter kualitas spesifik buah tomat. Penggunaan mulsa plastik merah dapat memperkecil
persentase buah rusak, namun menurunkan nilai koefisien kematangan buah, sedangkan penggunaan mulsa plastik
biru dapat meningkatkan kekerasan buah. Sementara itu, mulsa plastik hitam perak dapat meningkatkan kadar asam
dominan yang cocok untuk budidaya tomat olahan

ABSTRACT. Setyorini, D., D. Indradewa, and E. Sulistyaningsih. 2009. Fruit Quality of Tomato Planted in
Different Plastic Mulch. Environment conditions is one of important factor that may affect plant growth. Modification
of environment conditions will not only affect plant growth, but also fruit quality. This study was carried out in The
Experimental Garden and Horticultural Laboratory of College of Agriculture, Gadjah Mada University. The experiment
was set up in a randomize block design with 5 levels of treatments (plastic mulch color) and 4 replications. Parameter
observed were fruit number per plant, damaged fruit per plot, fruit weight, diameter and length of fruit, fruit firmness,
coefficient of fruit ripening, total soluble solid, vitamin C, and dominant acid. The results showed that the color of
plastic mulch had a specific effect on tomatoes fruit quality parameter. The use of red plastic mulch reduce the
percentage of damage fruits but decreased the coefficient of fruit ripening. The blue plastic mulch had a significant
effect on increase fruit firmnes. Meanwhile, the silvery black plastic mulch could increase the dominant acid content
that was suitable for growing processing tomatoes.


Keywords


Lycopersicon esculentum; Plastic mulch color; Fruit quality

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DOI: http://dx.doi.org/10.21082/jhort.v19n4.2009.p%25p

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