CD Skripsi
Uji Toleransi Beberapa Varietas Kedelai Terhadap Naungan
Soybean (Glycine max (L.) Merrill) is one of the important food commodities in Indonesia. Low soybean production cannot fulfill the demand of the Indonesian people so the government imports soybeans from abroad. One of the causes for this decline in production is the reduction of soybean planting land. Efforts to increase soybean production can be made by increasing the area of soybean planting through the utilization of areas under stands such as plantation and industrial crops. The aims of this study was to test several soybean varieties that are able to adapt to shaded environmental conditions. This research was conducted using a split plots design (RPT) which consisted of 2 factors. The first factor was shaded conditions with 0% (no shade), 25%, and 50% shade intensity as the main plot and the subplots were four soybean varieties namely Dering 1, Dena 1, Dena 2, and Argomulyo. The observation parameters were percentage of effective root nodules, plant height, flowering age, harvesting age, number of pods per plant, number of seeds per plant, seed weight per plant, 100 seed weight, seed weight per m2, and ITC value. The research data were analyzed by analysis of variance and followed by honest real difference test (BNJ) at the 5% level. The results showed that soybean variety Dena 2 can be recommended as a 25% shade-tolerant variety based on the ITC value and on quantitative characters (number of seeds per plant, seed weight per plant, 100 seed weight).
Keywords: soybean, shade, tolerance
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