نتایج جستجو برای: root initiation
تعداد نتایج: 233511 فیلتر نتایج به سال:
Running head: Lateral root initiation by local nitrate in maize 1 2 *Corresponding authors: 3 Frank Hochholdinger 4 Institute of Crop Science and Resource Conservation (INRES) 5 Crop Functional Genomics (CFG) 6 University of Bonn 7 Friedrich-Ebert-Allee 144 8 53113 Bonn, Germany 9 Tel.: +49 228 73 60334 10 Email: [email protected] 11 Chunjian Li 12 Department of Plant Nutrition 13 China...
Roots of seedlings of the "beefwood" tree, Casuarina cunninghamiana Miq. grown in nitrogenfree nutrient solution were inoculated with a suspension prepared from crushed root nodules taken from mature plants. Marked deformation of root hairs was evident but no infection threads were observed in root hairs. The mode of infection remains undetermined. Root nodules were initiated within three weeks...
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Osmotically driven turgor pressure of plant cells can be higher than that of a car tire. It puts tremendous forces onto cell walls and drives cell growth and changes in cell shape. This has given rise to unique mechanisms to control organ formation compared to metazoans. The fascinating interplay between forces and local cellular reorganization is still poorly understood. Growth of lateral root...
Lateral roots are initiated postembryonically in response to environmental cues, enabling plants to explore efficiently their underground environment. However, the mechanisms by which the environment determines the position of lateral root formation are unknown. In this study, we demonstrate that in Arabidopsis thaliana lateral root initiation can be induced mechanically by either gravitropic c...
In Arabidopsis thaliana, lateral roots are formed from root pericycle cells adjacent to the xylem poles. Lateral root development is regulated antagonistically by the plant hormones auxin and cytokinin. While a great deal is known about how auxin promotes lateral root development, the mechanism of cytokinin repression is still unclear. Elevating cytokinin levels was observed to disrupt lateral ...
A stunted root system is a significant symptom of iron (Fe) toxicity, yet little is known about the effects of excess Fe on lateral root (LR) development. In this work, we show that excess Fe has different effects on LR development in different portions of the Arabidopsis (Arabidopsis thaliana) root system and that inhibitory effects on the LR initiation are only seen in roots newly formed duri...
Interactive effect of plant growth regulators 6-Benzylaminopurine (BAP) (0, 2, 4 and 8 <span style="font-variant: normal; font-style: normal; font-family: SymbolMT; color: #23...
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