CAJ | 학술논문

以滇产纳罗克非洲狗尾草种子为研究对象，采用去除稃片、擦破种皮和去除种壳的机械方法处理种子，借助于吸水称重法和呼吸速率法检测种壳透性，并通过 MS 培养基离体培养检测种胚萌发性，结果表明：纳罗克非洲狗尾草种子的种壳(含种皮)对其种子透水、透气均有很强的阻碍作用，种子萌发存在着种壳(含种皮)障碍；种胚(带胚乳)存在着休眠特性；其种子休眠属于综合性休眠。在种子收获60 d 后，种胚休眠开始释放，至180 d 释放完毕；在种子收获210 d 后，种壳已基本失去对种子萌发的束缚作用，其休眠期至少为210 d。
이전산납라극비주구미초충자위연구대상，채용거제부편、찰파충피화거제충각적궤계방법처리충자，차조우흡수칭중법화호흡속솔법검측충각투성，병통과 MS 배양기리체배양검측충배맹발성，결과표명：납라극비주구미초충자적충각(함충피)대기충자투수、투기균유흔강적조애작용，충자맹발존재착충각(함충피)장애；충배(대배유)존재착휴면특성；기충자휴면속우종합성휴면。재충자수획60 d 후，충배휴면개시석방，지180 d 석방완필；재충자수획210 d 후，충각이기본실거대충자맹발적속박작용，기휴면기지소위210 d。
Setaria sphacelata cv.Narok is one of the backbone grasses applied in forage production and envi-ronmental protection in southern China.However,the low seeds production,poor seeds quality,and deep dor-mancy seriously restrict the extension of this grass.The paper used the water absorption weighting method and respiratory rate method to test the seeds shell permeability,and MS culture medium used to test embryo germi-nation of Narok seeds.The results showed that the body shell of seed (including seed coat)inhibit permeabiliza-tion and breathability of seed.Embryo also had the comprehensive dormancy,but the mechanism of dormancy was not clear.After 60 days of seeds harvesting and storage,most embryos begun to release their dormancy,and all released until 180 days.After 210 days of seeds harvesting and storing,the body shell almost lost the binding effect on seed germination.Therefore,the period of Narok seed dormancy was at least 210 days.