Search results
Results From The WOW.Com Content Network
The growth rate of Wolffia varies within and among species. The rates of photosynthesis and respiration also vary proportionately to growth rate. The fastest growth rate (in fact, the fastest growth rate of any flowering plant) is shown by a clone of Wolffia microscopica, with a doubling time of 29.3 hours.
Hydrotropism (hydro- "water"; tropism "involuntary orientation by an organism, that involves turning or curving as a positive or negative response to a stimulus") [1] is a plant's growth response in which the direction of growth is determined by a stimulus or gradient in water concentration. A common example is a plant root growing in humid air ...
Plant propagation is the process of plant reproduction of a species or cultivar, and it can be sexual or asexual. It can happen through the use of vegetative parts of the plants, such as leaves, stems, and roots to produce new plants or through growth from specialized vegetative plant parts. [4]
The characteristics of the Posidonia plant, its growth dynamics and the large amount of biomass produced, are factors that can sustain very diverse plant and animal communities. Distinguished are: epiphytic communities (that is, bacteria, algae and bryozoa that colonise the surface of the leaves and rhizomes of the plant), vagile and sessile ...
A crescograph is a device for measuring growth in plants. It was invented in the early 20th century by Jagadish Chandra Bose. The Bose crescograph uses a series of clockwork gears and a smoked glass plate to record the movement of the tip of a plant (or its roots). It was able to record at magnifications of up to 10,000 times through the use of ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Ximenia americana is a semiscandent plant that grows as a bush-forming shrub or small tree to between a height of 2–7 metres (6.6–23.0 ft), [9] [8] although plants being less than 4m (13 feet) are more commonly observed. [7] The trunk has a diameter of less than 10 cm (4 in); the bark has a colour of dark brown to pale gray. [9]
Propagation by cuttings root easiest in early spring, but cuttings can be taken at almost any time. These plants have a very fast growth rate. The Confederate rose was at one time very prevalent in the area of the Confederate States of America, which is how its common name was derived. It grows nicely in full sun or partial shade, and prefers ...