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Judul: Kajian Adaptasi Beberapa Varietas Unggul Baru Padi Sawah pada Sentra Produksi Padi di Seram Bagian Barat Provinsi Maluku
Penulis: R.E. Senewe & J.B. Alfons  || email:
Jurnal: Budidaya Pertanian Vol. 7 no. 2 - hal. 60-64 Tahun 2011  [ Pertanian ]
Keywords:  Rice, New Superior Variety, Adaptation, Rice Irrigation Land, West Seram, Maluku
Abstract: Improved/superior varieties are such component of the most rapidly adopted technology by farmers, because it is easy, inexpensive, and compatible with other technologies. Adaptation test of new high yielding varieties in a region is needed to determine the level of specific adaptation and distribution at the farm level. Adaptation study of several new varieties of wet land rice in rice production centers in West Seram aimed to get 1-2 new varieties of high productivity (> 7 t ha-1) adaptive to the specific environment for rice production centers developed in West Seram Maluku province. The assessment has been carried out from July to October 2010, using a pilot study on plot and field experiments with Randomized Block Design, five treatments and three replications. Three locations/villages (Waimital, Waipirit, and Waihatu) were chosen as replicates and five new varieties (Inpari 1, Inpari 6, Conde, Cibogo, and Cigeulis) as treatments. The size of each treatment plot was 10 m x 50 m, so that the test area/village was 50 m x 50 m (0.25 ha). Soil tillage was done by plowing twice and harrowing once until muddy. Cropping system used is 4:1 "legowo" model with spacing (20 cm x 10 cm) x 40 cm. The number of seedlings planted approximately 1-3 seeds per hole with the young seedlings (< 21 days). Fertilization was applied based on the soil analysis results by using the package of Wet land Soil Test (300 kg ha-1 Urea + 250 kg ha-1 SP36 + 100 kg ha-1 KCl). Nitrogen fertilizer was given based on leaf color chart (BWD), while P and K were based on the soil fertility status. Control of pests (weeds and pests / diseases) was done as needed. The results of the assessment indicated that the new varieties Cibogo and Inpari-6 gave the highest yield (> 7 t ha-1), respectively 7.62 and 7.52 t ha-1, which were significantly different from other three new varieties. Thus, new varieties Cibogo and Inpari-6 can be developed in rice production centers of West Seram, Maluku replacing the varieties that were usually grown by the farmers.
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