Judul: Uji stabilitas galur-galur padi gogo hasil kultur
Abstrak: The objective of this research was to study the adaptation and yield stability of upland rice lines obtained from anther culture. Ten lines of upland rice obtained from anther culture and two check varieties (Way Rarem and Batutegi) were evaluated for their potential yield in seven different locations in the rainy season 2010/2011 and 2011/2012. In each location, the design was Randomized Complete Block Design with four replications. The method of Francis & Kannenberg, Finlay & Wilkinson, Eberhart & Russel, and AMMI (Additive Main Effect Multiplicative Interaction) were used to analyze the adaptation and yield stability. WI-44 line achieved the highest yield average (4.88 ton ha-1), higher than Batutegi and not significantly different from Way Rarem and has the highest potential yield (10.28 ton ha-1) in Malang in the second season. IW-67 yielded an average of 4.53 ton ha-1, not significantly different from Batutegi and has potential yield (9.09 ton ha-1) in Malang in the second season. WI-44 line has a superior yield average in seven environment. WI-44, IW-67 and IW-56 lines have an ability to adapt in optimal environments. I5-10-1-1, GI-7 and O18-b-1 were adapted in the marginal environments with yield above the average of the genotype tested.
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Judul: Keragaan dan Stabilitas Galur-Galur Padi Gogo Tipe Baru Hasil Kultur Antera
Abstrak: Breeding of upland rice is now directed towards new plant type (NPT) architecture. NPT rice lines have been obtained from anther culture and need to be evaluated in multilocation trials. The objectives of the research were to obtain information on agronomic characters, genetic parameters, yield potential, adaptability and stability of the lines. Ten lines and two cultivars were planted at seven different location in November 2010 – March 2011. In each location, the experimental design was randomized complete block design with four replications. Observation was done on agronomic characters such as plant height, number of vegetative tiller and productive tiller, panicle length, number of filled grains per panicle, empty grains per panicle, and total grains per panicle, 1000-grain weight, grain weight per plant and yield per hectar. The results showed FM1R-1-3-1 and Fat-4-1-1 rice lines has grain weight per plant 20.3 and 18.2 grams/plant respectively and other agronomic characters that were better than eight other lines. Genotype x environmental interaction factors contributed to variance by 16.6%. The highest productivity was achieved by FM1R-1-3-1 (4.52 ton/ha). FM1R-1-3-1 showed as genotype specifically adapted to favourable environments.
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Judul: Peluang Partikel Plasma Berada Pada Dimensi Debye Akibat Gangguan Gelombang Elektromagnetik dengan Menggunakan Persamaan Schrödinger
Abstrak: The solution of Schrodinger equations with plasma Coulomb potential in spherical coordinat results solution wave function and energy plasma particle. Electron probability density at Debye length with thermal effect same as ion, which indicates plasma in neutral state. Electromagnetic waves perturbation of an electric field given to result wave function perturbation system. The probability density of plasma particle due to electromagnetic waves perturbation is the largest when an electromagnetic waves frequency 1.41 times the plasma frequency .
Keyword: Schrödinger, plasma, electromagnetic wave