三色苋气孔发育的研究-植物研究.PDF

24 　3 　　　　　　　　　　　　　　　　　　　　　　 2004 　7 Vol.24 　No.3　　　　　　　　　　　　BULLET IN OF BOTANICA L RESEA RCH July 　2004 1 1 2 任安祥 　王羽梅 　新居直 (1., 　5 12005) (2., , 　468-8502) 　　对三色苋叶片气孔的分化、密度、老化等进行了研究,结果表明保 卫细胞母细胞的分化始 于叶 13.8 mm 的未展开心叶上, 伴随着叶的展开, 气孔成熟开孔。叶片气孔的分化是持续进行 2 的, 气孔密度的最大值出现在叶 27 mm、叶面积1.18 m 时。在下部老叶上观察到了气孔的老 化和崩溃。 　三色苋;气孔;发育 Study on stomatal devel opment of A maranthus tricolor 1 1 2 REN An-Xiang 　WANG Yu-Mei 　N II Naosuke (1.College of Yingdong Bioengineering, Shaoguan University, Shaoguan　5 12005) (2.College of Agri ulture, Meijo University, Tempaku, Nagoy a　468-8502,Japan) Abstract 　We resear hed on the stomatal differentiation, stomatal density and stomatal aging in A - mar an thus tr ico lor leaves.Result show s that the differentiation of mother ell in prote tive ell be- gins from folded leaves that are 13.8 mm long.With the leaves unfolding, stomata are mature and open.The differentiation of stomata is ontinuous pro ess in amaranth leaves.When leafs length is 2 27 mm and leafs area is 1.18 m , the stomatal density is max.The stomatal aging and degradation are also found in the old leaves of the lower part. Key words　A m aranthus tr icolor ;stomata;development ,、、 1　 、。 (A - maran thus tr ico lor ) 1.1 　 ,、。 [1] , 25 ℃ , 、、、RuBisCO 。, 200 mL , 。 4 :1 , 1 。 , ,、、 , , 1/2 。,