Inbreds whose tiller height is taller than the main stem
--Heebong Lee, Wonkoo Lee, Heechung Ji and Bongho Choe
We have attempted to develop hybrids with two tillers which bear harvestable ears. In order to
develop such hybrids we developed a few inbreds from our indigenous local maize lines. Among the
inbreds developed for tillering hybrids, one line was characterized by having higher tiller length than
the main stem, while ordinary tillering inbreds usually have lower or lagging tiller height compared
with the main stem. The height of the main stem of the inbred was about 70cm, while the heights of the
first and second tillers were about 77cm and 73cm, respectively. We assume that one of the reasons
for the lower main stem and higher tiller height of the inbred may be due to the fact that the root
activities of the main stem may stop earlier than those of the tillers, which were developed later than
the main stem. The agronomic characters of the inbred when crossed with other inbreds were not yet
confirmed. But we assume that the inbred may be useful for developing tillering hybrids for silage
production (inbred seed is available upon request).
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