小盾片无刺。
The scutellum is without spine .
以高粱纯系401－1为材料，通过幼胚培养，由小盾片细胞产生的再生植株后代出现株形矮小、叶形窄短的突变体〔1〕。
Miniature mutants appeared in the generations of the regenerated plants were obtained in the scutellum cell of the sorghum pure Line 401-1 through immature embryo culture .
小盾片