Variation in Malaysian Dura x Pisifera planting materials, 1: Bunch yield
1994
Kushairi, A. | Rajanaidu, N. | Jalani, B.S. (Palm Oil Research Institute of Malaysia, Bandar Baru Bangi, Selangor (Malaysia)) | Zakri, A.H.
A random sample of 99 dura x pisifera (D x P) biparental progenies from six agencies were evaluated for their yield performance. The performances of the materials from the six agencies were significantly different. On the average, the trial produced a fresh fruit bunch (FFB) yield of 123.57 kg/palm/year. Among the six agencies, the highest mean yield was 132.01 kg/palm/year from Agency 4. Fifteen outstanding progenies had FFB productions ranging from 138.39 to 158.17 kg/palm/year: these high yields were a result of balanced bunch number (BNO) and average bunch weight (ABWT). A large proportion of the variation - between 80 to 90 percent - was confined to variation at the seedling level. The proportion of genetic variability attributed to progeny differences was 7-20 per cent. Broad sense heritabilities (h2B) using intra-class correlation were 0.39 for ABWT, 0.19 for BNO and 0.13 for FFB
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