Mohamad Na'iem
Gadjah Mada University Yogyakarta

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THE EFFECT OF NUMBER ON AXILLARY BUDS ON THE SURVIVAL RATE AND GROWTH OF CUTTING OF FOUR MULBERY HYBRID Aris Sudomo; Sugeng Pudjiono; Mohamad Na'iem
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 1 (2007): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2007.1.1.29-42

Abstract

The study aimed to examine the effect of number of axillary buds on different types of mulberry hybrid and their interaction on the survival rate and cutting growth. The research was conducted using Random Design of Factorial Group (RDFG). It consists of two treatment factors, i.e. four type of mulberry hybrid (M. SHA 4 x M. LUN 109, M. multicaulis x M. indica, M. australis x M. indica, M. nigra x M. indica) and four different numbers of axillary buds with 3 replications and 30 replicates for each unit experiment. The research shows that there were effect of axillary bud number, types of mulberry hybrid, and their interaction on the survival rate and growth of stem cutting of mulberry hybrid. The number of axillary bud for the best growth of stem cutting of mulberry hibrid for the best sprout length of cutting and the highest survival percentage (81, 668%) was the 3 axillary buds, while the 4 buds was the best according to the rank of whole parameter. The best cutting type of mulberry hybrid according to the rank of whole parameter was M. australis x M. indica. Interaction beetwen mulberry hybrid and the best sprout number according to the rank of whole parameter was M. australis x M. indica with 4 sprout number.
THE EFFECT OF FEEDING MULBERRY HYBRID ON THE PRODUCTIVITY AND THE QUALITY OF COCOON SILKWORM Sugeng Pudjiono; Mohamad Na'iem
Jurnal Pemuliaan Tanaman Hutan Vol 1, No 2 (2007): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2007.1.2.81-87

Abstract

Hybridization Morus sp, has given a significant impact increasing leaf productivity. There ore some good performaning Morus hybrids such as M. nigra x M. indica (M.N1). M. australis x M. indica (M.AsI). and M. alba var kanva which might be good forfeeding materials of silkworm. However, it is necessariy to test the leafsuitability asfeeding material to the quality of cocoon that will be produced. For that purpose one set offeeding experimentation using Bombyx mori L, (bivoltine silkworm egg F1 China and Japan double crossed with the code C 301) and three kinds of mulberry was established. The researeh located in Grogolan village, with 500 m asl. altitude, 2.500 mm - 3.000 mm rain per year, 75% relative humidity and 25° .3,0°C temperature. The study was arranged Randomized Completely Design with three replications. The result showed that the effects of mulberry leaves were non signifcant for the survival percentage of silkvorm instar I-III, the survival percentage of silkworm instar IV-V, weight of cocoon, weight of cocoon shell, cocoon shell percentage, length of filament, weight of filament, filament percentage and reelability of cocoon, There were significant differences in rendement ofrearing. In general, leaves those three hybrids are suitable for silkwonn feeding.