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Evidence on lower permeability of the opaque 2 maize pericarp than the analogous normal pericarp


Zeitschrift fuer Acker- und Pflanzenbau 147(4): 270-274
Evidence on lower permeability of the opaque 2 maize pericarp than the analogous normal pericarp
Kernels obtained from all the possible single, 3-way and double cross hybrids developed from 6 opaque-2 [o2] converted inbred lines of maize were compared along with the parental inbred lines with their normal analogs for the change in volume observed after 24 h soaking in fresh water at 0% initial moisture. The o2 kernels, in general, swelled relatively 3.4% less than the normal kernels. The difference was statistically significant. The same trend was observed in all the separate hybrid groups and the parental inbred lines. The o2 pericarp apparently is less permeable than the normal pericarp. This view is strengthened by the significant negative correlation observed between the percentage grain moisture at harvest and percentage change in volume after 24 h soaking (r = -0.30*** [significant at 0.01% level]) in case of the o2 maize hybrids and parental inbred lines.


Accession: 005411851



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