Combining ability analysis of quality protein maize (QPM) and non-PM inbred lines for kernel quality and some agronomic characteristics
Abstract
156 words
The biggest population in Zimbabwe depend on maize as a
source of carbohydrates, yet it is deficient in protein and
therefore makes the population prone to protein malnutrition.
Quality Protein Maize (QPM) has double the amount of lysine
and tryptophanand therefore desirable suitable to combat
possible protein malnutrition. The Zimbabwe maize research
programme is currently using QPM inbred lines whose
combining ability for grain quality and agronomic traits has not
been previously tested and validated. In this study, combining
ability analysis was conducted to identify appropriate QPM
donor inbred lines for use in the development of new QPM
inbred lines and the conversion of non-QPM open pollinated
varieties (OPVs) and inbred lines to QPM. From the study, the
inbred lines CZL082 and CML511 are recommended for use
as donors in the development of new QPM inbred lines and the
conversion of non-QPM inbred lines and OPVs to QPM by
the national maize research programme in Zimbabwe.
Subjects
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