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All Journal AGRIVITA, Journal of Agricultural Science Jurnal Agercolere
Samanhudi Samanhudi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Social Sciences

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Studies of Shading Levels and Nutrition Sources on Growth, Yield and Andrographolide Content of Sambiloto (Andrographis paniculata Ness) Purwanto, Edi; Samanhudi, Samanhudi; Sudarmi, Sudarmi
AGRIVITA, Journal of Agricultural Science Vol 33, No 3 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Growth and biochemical content of medicinal crops are influenced by agroecosystems characteristics . The objective of this research was to determine the optimum shading level and type of fertilizer as sources of nutrition on the growth, yield, and andrographolide content of sambiloto. The experiment used Split Plot Design with basic design of Randomized Complete Block Design arranged with two treatment factors, with three replications. The first factor as the main plot was shading levels, namely without shading, 25% shading, 50% shading, and 75% shading. The second factor as the sub plot was sources of nutrition reprented by type of fertilizer, namely NPK fertilizer, cow stable fertilizer, and compost fertilizer. The result of research indicated that shading level and the kind of nutrition influenced some growth and yield variables such as number of leaves, number of branches, plant height, plant dry weight and simplisia weight, and andrographolide content. Interaction of shading level at 25% and straw compost fertilizer performed best in growth characteristics, while the highest andrographolide content resulted from the treatment combination of 50% shading level and straw compost fertilizer.Keywords: fertilizer,nutrition, shading, andrographolide, Andrographis paniculata
Respon pertumbuhan sorgum manis (Sorghum bicolor L.) terhadap pemberian air yang berbeda Samanhudi Samanhudi; Ahmad Yunus; Amalia Tetrani Sakya; Novianda Nugroho
Jurnal Agercolere Vol 3 No 1 (2021): Jurnal Agercolere
Publisher : Fakultas Pertanian Universitas Ichsan Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37195/jac.v3i1.124

Abstract

Tujuan penelitian ini adalah untuk mengetahui tanggap pertumbuhan beberapa varietas Sorgum manis terhadap cekaman kekeringan. Penelitian meliputi dua tahap, yaitu di laboratorium dan di rumah kaca. Percobaan di laboratorium menggunakan Rancangan Acak Lengkap Faktorial dengan dua faktor dan tiga ulangan. Sedangkan percobaan di rumah kaca menggunakan Rancangan Acak Kelompok Lengkap Faktorial juga dengan dua faktor dan tiga ulangan. Hasil penelitian dianalisis dengan sidik ragam pada taraf 5%, dilanjutkan dengan uji Duncan taraf 5%. Pada penelitian di laboratorium, semua variabel pengamatan tidak terpengaruh oleh perlakuan polyethylene glycol (PEG-6000). Sedangkan pada penelitian di lapangan, cekaman air dapat menunda saat kemunculan bunga, menghambat penambahan tinggi tanaman, jumlah daun, berat brangkasan kering, dan berat biji per malai. Masing-masing varietas memberikan tanggap pertumbuhan yang berbeda terhadap cekaman kekeringan. Varietas Sweet dan Kawali menghasilkan tinggi tanaman yang lebih tinggi daripada varietas Numbu, serta adanya korelasi antara panjang akar kecambah dan panjang akar varietas Sweet.
Co-Authors A.S. Widodo Ahmad Yunus Amalia Tetrani Sakya Dinda Pangestika Eddy Triharyanto Edi Purwanto Muji Rahayu Novianda Nugroho Sudarmi Sudarmi