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Djati Waluyo Djoar

Department of Agrotechnology, Faculty of Agriculture, Universitas Sebelas Maret

Author-ID : 3764407

Agriculture, Biological Sciences & Forestry

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Korelasi Sifat-Sifat Agronomi dengan Hasil dan Kandungan Antosianin Padi Beras Merah Hafidh Prabowo; Djati Waluyo Djoar; Parjanto Parjanto
Agrosains : Jurnal Penelitian Agronomi Vol 16, No 2 (2014): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Brown rice is a type of rice can be grown on land that is less water (upland). Brown rice has anthocyanin as an antioxidant. The purpose of this study was to identify brown rice agronomics characters that can be used as selection criteria to obtain brown rice which high anthocyanin. The experiment was conducted at the greenhouse of Agriculture Faculty, UNS using completed randomized block design consisting of 5 local varieties namely Mandel Wonogiri, Segreng Gunung Kidul, Segreng Boyolali, Segreng Wonogiri 1, and Segreng Wonogiri 2. Analysis of the data using the model Singh and Chaudhary (1979) are displayed in the form of a matrix correlation. Anthocyanin assays using the differential pH test method. The results showed that there was no difference between the anthocyanin content of varieties, but there is a tendency Segreng Boyolali varieties containing anthocyanins and Mandel Wonogiri higher. In general, varieties tested showed different potential yield, except Mandel Wonogiri varieties have low yield. The character of the total number of tillers, panicle length, and number of panicles per hill showed a strong correlation coefficient with the results. Plant height, number of panicles per hill, and the weight of 1000 seeds showed a high correlation coefficient with anthocyanin content.

Identifikasi Morfologi Aksesi Srikaya (Annona squamosa) di Gedangsari Gunungkidul Danang Setiono; Parjanto Parjanto; Djati Waluyo Djoar
Agrosains : Jurnal Penelitian Agronomi Vol 15, No 2 (2013): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

The purpose of this study to determine the morphological characteristics and variability of planting sugar apple Gedangsari, Gunungkidul, Yogyakarta. Identify the morphological characteristics conducted on 36 plant samples (36 accessions) based method on stratified sampling and purposive sampling. The data were analyzed descriptively and clustering analysis. The results of the research showed that sugar-apple had pyramida canopy shape, plant height of 264±525 cm, oblongus leaves type, integer leaves margins, acuminatus leaves tip form, base acutus leaves, petiole cylindrical shape, dark green petiole, dark green color of the upper surface leaves, faded green color of the lower surface, leaves length 16.06±8.23 cm, leaves width 3,73±6,9 cm, leaves area 24,28±85,71 cm2, round shaped of rod, patens branching pattern, stem circumference 17,5±38 cm, axillary flos of flower layout, having 3 petals, whitish green of flower color, is cordate and round shape of fruit, fruit weight of 83,03±180,3 g, fruit circumference 22,4±19,36 cm, flesh thick 1,73±3,66 mm, whitish green and green of fruit color, the total amount of fruit scales 70±104,66, and the value of PTT between 18-29 obrix, blunt shape of fruit scales, ellipsoid shape of seeds, number seeds 7±70,66 and total seed weight 2,3±19,86g. There were variability include leaves length, leaves width, leaves area, stem girth, fruit weight, fruit girth, fruit flesh thickness, number of fruit scales, PTT values and fruit shape and the fruit skin’s color. The result of clustering analysis showed that similarity coefficient between the accessions was 66%.

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