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Analysis of grain density and yield characters in aromatic rice genotypes Agrociencia
Shahidullah,S. M.; Hanafi,M. M.; Ashrafuzzaman,M.; Uddin,M. K.; Razi-Ismail,M..
Aromatic rices (Oryza sativa L.) normally produce enormous spikelets of low grain weight resulting low yield. Grain weight and grain density are the vital indicators of grain filling and mainly dependent on genetic make-up. Detail study of grain density and yield components of aromatic rice is a crucial need for yield improvement. An experiment was conducted with 40 rice genotypes to assess the grain density of aromatic rices and to observe the relationships of different grain categories with yield characters. The percentage of high density grains, good grains, average grains, poor grains, partially filled grains, spikelet sterility, and thousand grain weight were found to vary in a great extent. Maximum 50 % high density grain was harvested in BR39 and a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Oryza sativa; Aromatic rice; High density grain; Grain yield.
Ano: 2010 URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952010000300007
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Study of heterosis in Bangladeshi Chilli (Capsicum annuum L.) Landraces Agrociencia
Hasanuzzaman,M.; Hakim,M. A.; Hanafi,M. M.; Shukor-Juraimi,Abdul; Islam,M. M.; Shamsuddin,A. K. M..
Chilli is an important cash crop in Bangladesh but average yield is very low (0.89 t ha-1) and genetic potentiality of Bangladeshi chilli landraces for hybrid variety development has not been evaluated. The objective of this study was to find out heterotic behavior following Gardner and Eberhart model (1966) II. Six different homozygous divergent parents CCA 2, CCA 5, BARI Morich 1, CCA 11, CCA 15 and CCA 19 were used to estimate heterosis. A significant amount of heterosis was present in yield and yield contributing traits. Estimate of variety heterosis for yield per plant was significantly positive in CCA 5 and BARI Morich 1. In BARI Morich 1, the significant and positive variety heterosis for yield per plant was associated with significant and positive...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Capsicum annuum L; Indigenous X exotic cross; Yield.
Ano: 2013 URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952013000700005
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