Pertumbuhan dan Hasil Beberapa Varietas Kedelai pada Perbedaan Tingkat Naungan
The growth and yield of soybean varieties on differences light
DOI:
https://doi.org/10.32734/ja.v6i3.2415Keywords:
Oil palm shading, soybean varieties, Naungan kelapa sawit, varietas kedelaiAbstract
Increased soybean yields have a meaning in the food industry. The expansion of planting area is one of extensification effort of soybean. Soybean planted on palm oil productive interrow is an alternative to increasing productivity. Soybean responsed plants to light low is the changed in morphology and yield. The objective of the research was to studied growth and yield of soybean varieties on differences light intensity. This research used Factorial Split Plot Design with 3 replications. The main plot were: differences light intensity 30% and 50% and sub plot were: 4 soybean varieties (Grobogan, Anjasmoro, Dena 1, Wilis). This research conducted Deli Serdang district, North Sumatera. The effect of treatment differenes light intensity was not significant on plant height, stem diameter, leaf area index, productive brances, and dry weight of seed. Each of the varieties gave different responses to the plant height and productive branches. The differences light intensity treatment on the variety will increase the leaf area index in line with the decrease in light intensity except on the grobogan varieties.
Peningkatan hasil kedelai memiliki arti dalam industri pangan. Perluasan areal tanam merupakan salah satu upaya ekstensifikasi kedelai. Penanaman kedelai di bawah tegakan kelapa sawit merupakan alternatif untuk meningkatkan produktivitasnya. Respons tanaman kedelai terhadap cahaya rendah adalah adanya perubahan morfologi dan hasil kedelai. Penelitian bertujuan untuk mempelajari pertumbuhan dan hasil beberapa varietas kedelai pada perbedaan tingkat naungan kelapa sawit. Percobaan menggunakan Rancangan Petak Terpisah Faktorial dengan tiga ulangan, petak utama yaitu dibawah naungan kelapa sawit 30% dan 50% dan anak petak yaitu 4 varietas kedelai (Grobogan, Anjasmoro, Dena 1, Wilis). Penelitian dilaksanakan di Kabupaten Deli Serdang, Sumatera Utara. Hasil dari efek perlakuan dibawah naungan kelapa sawit 30% dan 50% berpengaruh tidak nyata terhadap tinggi tanaman, diameter batang, total luas daun, jumlah cabang produktif, bobot kering biji per plot. Masing masing varietas memberikan respon yang berbeda terhadap tinggi tanaman dan jumlah cabang produktif. Perlakuan intensitas naungan pada varietas akan meningkatkan luas daun sejalan dengan penurunan intensitas cahaya kecuali pada varietas grobogan
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