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Responses of Selected Indonesian Rice Varieties Under Excess Iron Condition in Media Culture at Seedling Stage

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Kemajuan Genetik Dan Heritabilitas Karakter Agronomi Padi Beras Hitam Pada Populasi F2

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Tanggap Kedelai Hitam Terhadap Cekaman Aluminium Pada Kultur Hara

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Responses of Selected Indonesian Rice Varieties Under Excess Iron Condition in Media Culture at Seedling Stage

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Kemajuan Genetik Dan Heritabilitas Karakter Agronomi Padi Beras Hitam Pada Populasi F2

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Tanggap Kedelai Hitam Terhadap Cekaman Aluminium Pada Kultur Hara

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Journal article

Komponen Hasil Dan Karakter Morfologi Penentu Hasil Kedelai Pada Lahan Sawah Tadah Hujan

Correlation and path analyses between yield components and grain yield may be useful to provide the basis for planning of more efficient in selection program. The objectives of the experiment were to investigate the most responsible yield components to grain yield of morphologically diverse soybean varieties. Twelve soybean varieties were evaluated on rainfed wetland after rice in Grobogan, Central Java, during the late dry season of 2014. The experiment was arranged in randomized block design with four replications. Each of the genotype was grown in five rows of four and half meters long. Plant spacing was 40 cm x 15 cm, with two seeds per hill. Results showed that among the yield components, number of pods per plant, seed size and harvest index were each positively correlated with grain yield (r = 0.530; 0.376 and 0.608). The direct effect of pods per plant, seed size and harvest index to grain yield as indicated by path coefficient were among the highest, each was 0.813, 0.540 and 0.901 respectively. The direct effects of other yield components were small or negative. Based on both analyses, soybean genotypes with high grain yield should have a high number of pods per plant (>40 pods), large seed size (>15 g/100 seeds) and high harvest index (>50%). Therefore, pods per plant, seed size and harvest index can be used as selection criteria for developing varieties for rainfed wetland. Although the direct effect of days to maturity to grain yield was small, but early maturing varieties should be considered as selection criterion, because on rainfed wetland during late dry season the availability of soil moisture often is uncertain. Early maturing varieties can be more useful under this condition to minimize yield losses due to drought stress.
Journal article

Kelestarian Ketahanan Varietas Unggul Jagung Terhadap Penyakit Bulai Peronosclerospora Maydis

Downy mildew is an important disease in maize. Varietal resistance is considered the most practical for disease management. The research was aimed to obtain durable resistant to downy mildew on high-yielding maize varieties. The study was conducted in Kediri, East Java, in a downy mildew endemic area. Ten new high-yielding maize varieties were tested. The treatmens was arranged in a randomized block design with three replications. Seeds of each variety were sown in a 5 m x 4 m plot, at a 75 cm x 20 cm plant spacing consisted of 120 plants/plot. At 10 days after planting (DAP), the crops was fertilized with urea, SP-36, and KCl at rate of 100 kg, 100 kg, and 100 kg/ha, respectively. The second and third fertilizer applications were done at 30 and 45 DAP using 100 kg urea/ha. Results showed that varieties Bima-5, HJ 21 Agritan, Bima-14 Batara, and Bisi-19, which were previously highly resistant to downy mildew, showed low resistance durabilities and became susceptible to the disease, with the disease intensities ranging from 62 to 77.2%. Conversely, Bima-3 Bantimurung, Bima-20 URI (STJ 109), Bima 5 Sayang, and Lagaligo (composite variety) indicated more durable resistance with the disease intensities ranging from 13.5 to 20.3%, as compared to the susceptible variety Anoman (100%). The effect of durable resistant to downy mildew was also shown on the maize yield and 1000 seeds weight.
Journal article

Evaluasi Galur-galur Padi Mengandung Lokus P Uptake 1 (Pup1) Toleran Kekeringan

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Evaluasi Galur-galur Padi Mengandung Lokus P Uptake 1 (Pup1) Toleran Kekeringan

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Kebutuhan Nitrogen Tanaman Kedelai Pada Tanah Mineral Dan Mineral Bergambut Dengan Budi Daya Jenuh Air

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Korelasi Hasil Gabah Dan Komponen Hasil Padi Hibrida

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Efektivitas Metode Modifikasi Bulk Untuk Pemuliaan Padi Adaptif Pada Kondisi Fosfor Tanah Suboptimum

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Journal article

Model Dinamik Vigor Daya Simpan Benih Kedelai Pada Penyimpanan Terbuka

Soybean seed viability declines during seed storage. Soybean seed deteriorates rapidly, affected by its high protein content and often high humidity in the tropical environment. This research was aimed to develop dynamic model of soybean seed viability in an open storage. The study was conducted in three stages, namely: 1) desk study, 2) seed storage experiment, 3) development of seed storage model, simulation and verification of the model. The second stage of the experiment consisted of soybean seed storing and germination testing using completely randomized design. Treatments were three initial moisture content (7-8%, 9-10% and 11-12%) and four varieties of soybean (Anjasmoro, Wilis, Detam-1 and Detam-2). The results showed that the seed behaviour during storage period were affected by initial seed moisture content, initial viability, varieties and environmental condition. Therefore, seed moisture content, initial viability and varieties may be used as input model. Moisture content, integreting seed respiration, electric conductivity and seed storability vigor (VDSDB) were as model output. Simulation of Seed Storability Vigor Prediction Model with Model Construction Layer-Stella (MCLS) using relative humidity (RH), temperature, seed permeability, initial moisture content and initial viability as input model could logically predict the seed moisture content and seed storability vigor (VDSDB).
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Morfologi Bunga Dan Korelasinya Terhadap Kemampuan Menyerbuk Silang Galur Mandul Jantan Padi

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Daya Gabung Galur-galur Jagung Berkualitas Protein Tinggi

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Evaluasi Genotipe Sorgum Manis (Sorghum Bicolor (L.) Moench) Produksi Biomas Dan Daya Ratun Tinggi

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Morfologi Bunga Dan Korelasinya Terhadap Kemampuan Menyerbuk Silang Galur Mandul Jantan Padi

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Daya Gabung Galur-galur Jagung Berkualitas Protein Tinggi

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Evaluasi Genotipe Sorgum Manis (Sorghum Bicolor (L.) Moench) Produksi Biomas Dan Daya Ratun Tinggi

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Pengaruh Pupuk Majemuk NPKS Dan NPK Terhadap Pertumbuhan Dan Hasil Padi Sawah Pada Inceptisol

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Karakterisasi Morfologi, Anatomi Dan Fisiologi Galur Mutan Gandum Yang Ditanam Di Dataran Rendah Tropik

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Penggunaan Herbisida Untuk Pengendalian Gulma Pada Budi Daya Kedelai Jenuh Air Di Lahan Pasang Surut

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