Results 31 to 40 of about 326 (136)
Frontiers in Plant Science, 2020 Asymmetric root growth (ARG) on tilted plates, or root coiling on horizontally placed plates, is proposed to be a combination of gravitropism, mechanical sensing, and “circumnutation,” a word designated by Charles Darwin to describe the helical movement ...
Sen Chai, En Li, Yan Zhang, Sha Li
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Circumnutations: From Darwin to Space Flights [PDF]
Plant Physiology, 1993 WHAT ARE CIRCUMNUTATIONS? More than a century ago, plant physiologists were aware that plant organs-roots, hypocotyls, shoots, branches, flower stalks-rarely grow in just one direction. The mean growth direction may be maintained for long intervals, but the organ's instantaneous growth direction usually oscillates slowly about that mean.
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Climber Diversity across Vegetational Landscape of North-Eastern Uttar Pradesh, India
Notulae Scientia Biologicae, 2016 The composition and diversity of climbers among grassland, wasteland and forest vegetations was examined with respect to their woodiness, climbing mode and circumnutation pattern across the vegetational landscape of north-eastern Uttar Pradesh during ...
Ashish DVIVEDI +2 more
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Circadian Rhythm of Circumnutation in Inflorescence Stems of Arabidopsis [PDF]
Plant and Cell Physiology, 2005 We investigate the modulation of circumnutation in inflorescence stems of Arabidopsis to determine the circadian regulation of circumnutation. Under constant light conditions (LL), circumnutation speed in wild-type plants fluctuates, with the phase of the highest speed at subjective dawn; the period length is close to 24 h.
Kanae, Niinuma +4 more
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Effects of axial magnetic field on discharge characteristics of inductively coupled plasma
AIP Advances, 2020 To study the effects of an axial magnetic field on the discharge characteristics of Ar inductively coupled plasma, a set of discharge plasma generators was designed.
Shengwu Zhang +4 more
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Circumnutation on the water surface: female flowers of Vallisneria [PDF]
Scientific Reports, 2013 Circumnutation, the helical movement of growing organ tips, is ubiquitous in land plants. The mechanisms underlying circumnutation have been debated since Darwin's time. Experiments in space and mutant analyses have revealed that internal oscillatory (tropism-independent) movement and gravitropic response are involved in circumnutation.
Kosuge, Keiko +3 more
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Sense of space: Tactile sense for exploratory behavior of roots
Communicative & Integrative Biology, 2018 In soil, plant roots grow in heterogeneous environments. Plant roots are always facing the difficulty of searching effectively the patchy natural resources, such as water, oxygen, ions and mineral nutrition.
Ken Yokawa, František Baluška
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Very-High-Resolution Time-Lapse Photography for Plant and Ecosystems Research
Applications in Plant Sciences, 2013 Premise of the study: Traditional photography is a compromise between image detail and area covered. We report a new method for creating time-lapse sequences of very-high-resolution photographs to produce zoomable images that facilitate observation ...
Mary H. Nichols +4 more
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Continual decision‐making dynamics across biological organisms
Biological Reviews, Volume 101, Issue 3, Page 1059-1072, June 2026.ABSTRACT Decision‐making is a central function of adaptive behaviour in biological agents. However, strategies for adaptive decision‐making can vary substantially across species. Here, we aim to extend the comparative scope of decision‐making analyses to phylogenetically diverse organisms.
Liberty Severs, Qiuran Wang
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Journal of Field Robotics, Volume 43, Issue 1, Page 387-408, January 2026.ABSTRACT This paper investigates the penetration performance of soil‐burrowing probes with different tip designs during shallow‐depth penetration in various media, including terrestrial soils (Hostun sand) and well‐characterized planetary soil simulants (LHS‐1 Lunar regolith simulant and MGS‐1 Martian regolith simulant).
Serena Rosa Maria Pirrone +4 more
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