分生能力
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结果表明:合理施肥不仅能够增强大花萱草的分生能力,提前花期2~4d,而且可以提高其观赏价值;
Results showed the rational fertilization not only enhanced the tillering capacity and promote the florescence for 2 to 4 days ahead , but also improved the decorative value .
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结果表明:具有较强分生能力的新生茎段和叶片能够得到很高的诱导率,与NAA相比,2,4D在诱导中作用显著。
The results indicated that we could get the high efficiency in callus induction by using the tender branch and leaf because of their strong polarization . 2,4-D was more effective in inducing callus than use NAA .
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胚性愈伤组织在悬浮振荡培养中可保持分生能力。
Suspension culture was established from the embryogenetic callus of walnut .
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再植苹果苗表现典型的再植病,其症状为:根系分生能力差,生长缓慢,根组织尤其输导根上发生许多黑色病斑,地上部长势差,长梢抽生困难,定植成活率低。
The root of replanted apple seedlings branched poorly and slowly . Lots of pathological black spots were found in root tissue .
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叶脉维管组织发育不良,导管分子数目少,木质化程度低,根尖短而细,生长点仅由少数具分生能力的细胞组成,根冠细胞大,但数量少。
Root tip were short and thin , the growing point were only made up of few organized cells , cells of root cap were large but few .
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根据煤系烃源岩生排烃模拟实验结果,可以建立演化阶段划分标准,另外,煤岩中显微组分的生烃能力还须进一步研究。
C. The division criterion of evolution stage could be established according to the simulation results .