Abstract
Lotus is a water plant that thrives in the swamp waters of South Kalimantan. These plants in some areas are rapidly decreasing due to expansion, urbanization, industrialization, and other land uses that affect their habitat. The germination and growth of lotus seeds are very dependent on the state of the surrounding environment, especially the level of acidity and lighting from sunlight. This study aims to determine the effect of acidity and the duration of natural lighting on the growth of lotus seeds. The study was conducted at the Laboratory of Agricultural Biology, Faculty of Agriculture ULM from March to June 2016. The design used was a Separate Plot Design in a Randomized Block Design, as the main plot was the acidity level of water consisting of 11 levels and as a subplot was the lighting duration consisting of 5 levels with two replications. The results showed that lotus seeds can grow from media which have an acidity level (pH) 3-3.5 and a base pH of 7.5-8. Seeds can germinate and grow in both dark and bright conditions, but treatment with a long exposure time of 7 and 24 hours of light is the best.
Highlights
Nymphaeaceae terdapat sekitar 50 spesies (Selvakumari et al, 2012; Zhu et al, 2012; Mendez dan Miranda, 2015) terdiri dari dua kelompok besar yaitu Apocarpiae dan Syncarpiae berdasarkan perpaduan dinding carpel (Conard, 1905)
This study aims to determine the effect of acidity and duration of natural lighting on the growth of lotus seeds
The results showed that lotus seeds can grow from media which have a acidity level (pH) 3-3.5 and a base pH of 7.5-8
Summary
Nymphaeaceae terdapat sekitar 50 spesies (Selvakumari et al, 2012; Zhu et al, 2012; Mendez dan Miranda, 2015) terdiri dari dua kelompok besar yaitu Apocarpiae dan Syncarpiae berdasarkan perpaduan dinding carpel (Conard, 1905). Teratai merupakan tumbuhan multi fungsi, baik sebagai tanaman hias, pengobatan tradisional (Aliyu, 2017; Roy, et al, 2013), sumber pangan yang bernilai tinggi (Issac, 1987; Roy, et al, 2013; Deka dan Devi, 1915), dan untuk upacara keagamaan (Conard, 1905). Semua bagian tumbuhan teratai dikonsumsi pada saat terjadi kelangkaan pangan untuk memenuhi kebutuhan gizi keluarga (Biswas dan Rahmatullah, 2011) sebagai sayuran dan makanan (Jain 1991; Mohan et al, 2010). Masyarakat di tiga daerah tersebut tidak melakukan pembudidayaan teratai, mereka hanya memungut biji teratai yang tumbuh liar pada musim hujan, sedangkan pada musim kemarau lahan persawahan digunakan untuk menanam padi (Fitrial dan Khairina, 2011). Penelitian ini bertujuan untuk mengetahui pengaruh tingkat keasaman dan lama pencahayaan alami terhadap pertumbuhan biji teratai
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