نتایج جستجو برای: stems cell

تعداد نتایج: 1701638  

Journal: :HSS Journal ® 2012

In this study we have demonstrated the variations of carbohydrates and phenolic compounds present in the leaves and stems of ‘Kinnow’ mandarin (Citrus reticulata Blanco) trees in alternate bearing cycle and the possible involvement of these compounds to flower bud formation process. The amounts of these compounds were determined in the leaves and stems of “on” and “off” trees  monthly  from Nov...

Journal: :Botanical Gazette 1910

2000
James P. Blevins

This paper presents an analysis of the conjugational systems ofWest Germanic that highlights the central role of two basic stem types and suggests some consequences for the description of inflectional systems in general. The analyses distinguish morphomic stems, which underly morphosyntactically distinct word forms, from inflectional stems, which realise tense and mood features and provide the ...

2013
Mads AT Hansen Budi J Hidayat Kit K Mogensen Martin D Jeppesen Bodil Jørgensen Katja S Johansen Lisbeth G Thygesen

BACKGROUND Wheat straw used for bioethanol production varies in enzymatic digestibility according to chemical structure and composition of cell walls and tissues. In this work, the two biologically different wheat straw organs, leaves and stems, are described together with the effects of hydrothermal pretreatment on chemical composition, tissue structure, enzyme adhesion and digestion. To highl...

2013
Jiansheng Guo Yongming Yuan Zhixue Liu Jian Zhu

Pogostemon cablin possesses two morphologically and ontogenetically different types of glandular trichomes, one type of bristle hair on the surfaces of leaves and stems and one type of internal gland inside the leaves and stems. The internal gland originates from elementary meristem and is associated with the biosynthesis of oils present inside the leaves and stems. However, there is little inf...

F Askari F Sefidkon

Volatile components of three parts of Pimpinella tragium Vill. (Umbelliferae family) from Iran were investigated qualitatively and quantitatively for the first time. Essential oils were isolated by hydro-distillation from stems plus leaves, inflorescence and seeds of P. tragium individually. The plant materials were collected from Polour (Northeast of Tehran Province). The yields of the ...

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