Efektivitas Sumber Nutrisi Terhadap Pertumbuhan Beberapa Varietas Selada (Lactuca sativa L.) Pada Sistem Hidroponik

Abstract

ABSTRAK Sayuran selada banyak digemari oleh masyarakat untuk dikonsumsi sebagai lalapan, penghias makanan. Seiring permintaan sayuran selada meningkat dan lahan pertanian beralih menjadi lahan non pertanian maka memanfaatkan lahan sempit untuk budidaya sayuran. Penelitian ini bertujuan untuk respon pertumbuhan beberapa varietas selada (Lactuca sativa L.) dan macam jenis nutrisi yang dibudidayakan pada sistem hidroponik. Penelitian ini menggunakan rancangan petak terbagi (Split plot design) yang terdiri dua faktor yaitu faktor pertama sebagai petak utama, jenis nutrisi (N) terdiri 3 taraf : N1 = AB Mix, N2 = POC Biogan, N3 = POP Supernasa sedangkan faktor kedua sebagai anak petak, varietas (V) terdiri 3 taraf: V1= Selada keriting, V2 = Selada merah, V3 = Selada krop masing-masing diulang tiga kali. Berdasarkan hasil penelitian menunjukkan bahwa perlakuan nutrisi AB Mix (N1) merupakan perlakuan terbaik karena berpengaruh nyata terhadap pertumbuhan tanaman selada. Sedangkan perlakuan varietas selada krop (V3) merupakan perlakuan terbaik karena berpengaruh nyata terhadap pertumbuhan selada diantaranya lebar daun, panjang daun, berat segar tanaman. Interaksi antara nutrisi dengan varietas berpengaruh nyata terhadap jumlah daun dan lebar daun (30 hst) sedangkan perlakuan lainnya tidak berpengaruh nyata. ABSTRACT Lettuce is much loved by the community to be consumed as fresh vegetables, food decoration. As demand for lettuce increases and agricultural land is turned into non-agricultural land, making use of narrow land for vegetable cultivation. This study aims to respond to the growth of some varieties of lettuce (Lactuca sativa L.) and various types of nutrients that are cultivated in the hydroponic system. This study uses a split plot design which consists of two factors: the first factor is the main plot, the type of nutrition (N) consists of 3 levels: N1 = AB Mix, N2 = POC Biogan, N3 = POP Supernasa while the second factor is a child plot, variety (V) consists of 3 levels: V1 = curly lettuce, V2 = red lettuce, V3 = crop lettuce each repeated three times. Based on the results of the study showed that the nutritional treatment of AB Mix (N1) was the best treatment because it significantly affected the growth lettuce.While the treatment of crop lettuce varieties (V3) is the best treatment because it significantly influences the growth lettuce including leaf width, leaf length, plant fresh weight. The interaction between nutrition and variety has a significant effect on the number of leaves and leaf width (30 HST) while other treatments have no significant effect. fresh weight of the plant. The interaction between nutrition and variety has a significant effect on the number of leaves and leaf width (30 HST) while other treatments have no significant effect. fresh weight of the plant. The interaction between nutrition and variety has a significant effect on the number of leaves and leaf width (30 HST) while other treatments have no significant effect.