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在20℃的温度可控箱中研究11个品种的芽鞘长度。在所研究的品种中矮秆 Hira 的芽鞘最短(3.53厘米),几个高秆品种的芽鞘较长.T.compactum 的芽鞘比农林矮秆类长,与高秆品种相似(N.P.846除外)。矮秆诱变体 CM112的芽鞘长度与亲本 C.306没有显著差异,而其中一个 T.compactum Hira 的诱变体矮秆 Hira 的芽鞘则显著减短.T.compactum 和 CM112秆矮芽鞘长。T.sphaerococcum 也具有与 Sonalika 相似的芽鞘长度。
In the temperature control box at 20 ℃ eleven varieties of sheath diameter. In the studied species, the sheath sheath of dwarf Hira was the shortest (3.53 cm), and the bud sheaths of several tall culms were longer. The shoot sheath of T. comactum was longer than that of the dwarfing varieties of tall trees, similar to the tall culm varieties (NP846 except). The sheath length of dwarf mutants CM112 was not significantly different from that of parent C. 306, while the spider sheath of Hira, a mutant of T.compactum Hira, was significantly shorter than that of parent C. pactum and CM112 stalk sheath long. T.sphaerococcum also has a similar sheath length to Sonalika.