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All Journal Jurnal Penelitian Tanaman Industri
HENDRIK F. MANGINDAAN
Balai Penelitian Kelapa dan Palma Lain
Industrial & Manufacturing Engineering

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KETAHANAN BEBERAPA KELAPA HIBRIDA TERHADAP PENYAKIT BUSUK PUCUK HENDRIK F. MANGINDAAN; MIFTAHORRAHMAN MIFTAHORRAHMAN; HENGKY NOVARIANTO
Jurnal Penelitian Tanaman Industri Vol 5, No 2 (1999): September, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n2.1999.46-50

Abstract

Resistance of some hybrid coconuts to bud rot diseaseBud rot disease by Phytophthora palmivora has caused significant loss lo coconut farmers because the pathogen could kill the palms in relative short time. This disease mainly attacks hybid coconut of PB-121. To anticipate the coconut development in the futue, it is necessary to find supeior coconut or hybrid coconut which resistant to bud rot disease. This research was conducted to test the resistance of 25 combinations of hybrid coconuts to the disease. The research used randomized block design with 25 kinds of hybids, 19 replications with 3 palms for each eplication. The trial was done at Paniki Instalation, North Sulawesi The hybrids were planted in November 1993. The observation of disease for 5 years showed that bud rot symptoms was irstly irst appeared at 40 months old hybrids i.e. 4 palms of the cross GKN x PYT, GRA x PYT, GHJ x WAT, and GHJ x DSA. Until ive yean ater planting there were 17 palms died because of the bud rot. In general, the hybrids of the crossing which used male parent of WAT wee the most susceptible. While the hybrids of the crossing of GSK as a female paent showed resistant to bud rot disease.
Co-Authors HENGKY NOVARIANTO MIFTAHORRAHMAN MIFTAHORRAHMAN