Yield test on some promising lines of rice

• Main Authors: Suharsono, S, Kustianto, B, Tjokrowidjojo, S. (Balai Penelitian Tanaman Pangan Bogor (Indonesia))
• Format: Conference Proceeding
• Language: English
• Published: Bogor (Indonesia) BALITTAN 1989
• Subjects: ALTURA; AMELIORATION DES PLANTES; AMILOSA; AMYLOSE; BALLE DE RIZ; CASCARILLA DE ARROZ; DATE DE RECOLTE; ENSAYO; FECHA DE RECOLECCION; FITOMEJORAMIENTO; HAUTEUR; ORYZA SATIVA; PRODUCTIVIDAD; PRODUCTIVITE; RESISTANCE AUX MALADIES; RESISTANCE AUX ORGANISMES NUISIBLES; RESISTENCIA A LA ENFERMEDAD; RESISTENCIA A LAS PLAGAS; TESTAGE; VARIEDADES DE ALTO RENDIMIENTO; VARIETE A HAUT RENDEMENT

Many efforts have been done to maintain sustainability in foodcrops self supporting, especially for rice. One of the effort is by finding out rice varieties which have high yield potential, short age to medium, resistant to major pests and/ diseases and have good rice quality. In the 1986/87 planting season 10 lines/varieties were tested in Singamerta, Klaten, Lamongan and Bandar Buat. The experiment was Randomized Block Design with 4 replications, plot size 4 x 5 m, plant spacing 25x25 cm, seedlings age 21-25 days and 3 hills/stool. Fertilizer was given the rate of 120 kg N and 60 kg P2O5/ha, respectively. From the combined analysis can be noticed that line B6048-MF-6-2-2 (5.0 t/ha) was 13.9 and 6.8 percent higher than IR64, while IR64, PB36 and PB42 were 4.68, 4.63 and 4.65, respectively. For yield potential per location, line B4068-Mr-5-2-1 was highest (4.8 t/ha). In Lamongan PB36 is highest (5.3 t/ha). Other characteristics of B4068-Mr-5-2-1 are plant age 115 days, height 80 cm, resistant to brown plant hopper biotype 2 and quite resistant to bacterial leaf blight, while B6350-Mr-6-2-2 has a plant age 116 days, 80 cm height, moderately resistant to brown plant hopper biotype 2, quite resistant to bacterial leaf blight and good eating quality