Karakterisasi Koleksi Plasma Nutfah Tomat Lokal dan Introduksi
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Balai Besar Penelitian dan Pengembangan Bioteknologi dan Sumberdaya Genetik Pertanian
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AbstractAn experiment on eighteen genotypes of tomato was conducted at Lembang station (RIV) (1250 m asl) in 1999/2000 planting season to characterize their phenotypic performance, growth type and yield. The experiment was arranged in a Randomized Block Design with 18 two replications. Genotypes tested were introduction and landraces. Phenotypic performance growth type fruit color and productive branch number were realtively uniparm while head of plant, fruit diameter, fruit thick and plant age had were different. Tomato lines FMTT 270, FMTT 22 and FMTT 95 had healthy fruit weight per plant, fruit diameter and good thickness at Lembang highland. Lokereal tomato lines PT 4289, PT 4226, PT 4165, and PT 4121 had earlier harvested, to be further use as breeding material.AbstrakDelapan belas galur koleksi plasma nutfah tomat lokal dan introduksi telah dikarakterisasi di KP Balitsa (1250 m dpl) pada MT 1999/2000 untuk melihat karakter pertumbuhan, hasil, dan komponen hasil. Percobaan ditata dalam rancangan acak kelompok dengan dua ulangan. Berdasarkan gugus rata-rata Scott-Knott diketahui bahwa tipe tumbuh, warna buah, dan jumlah cabang produktif genotipe relatif seragam, sedangkan tinggi tanaman, jumlah dan bobot buah per tanaman, diameter buah, ketebalan daging, dan umur tanaman relatif berbeda. Galur FMTT 270, FMTT 22, dan FMTT 95 mempunyai bobot buah sehat dan ketebalan daging buah yang baik di dataran tinggi Lembang, dan galur PT 4289, PT 4226, PT 4165, dan PT 4121 berumur genjah sehingga diharapkan dapat digunakan sebagai bahan pemuliaan lebih lanjut.