adventitious


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adventitious

(of a plant or animal part) developing in an abnormal position, as a root that grows from a stem

adventitious

[‚ad·ven′tish·əs]
(biology)
Also known as adventive.
Acquired spontaneously or accidentally, not by heredity.
Arising, as a tissue or organ, in an unusual or abnormal place.
References in periodicals archive ?
The contract includes the following operations: cleaning, irrigation, weeding, conservation of pastures, pruning, fertilizers, phytosanitary treatments, planting, elimination of adventitious vegetation in roads and squares, planning of works and general cleaning and maintenance of the water quality of the municipal sources.
The proportion of patients with audible adventitious lung sounds was significantly higher among those hospitalized for [greater than or equal to] 21 days and among those who did not survive (Table 1).
The adventitious rooting experiments were conducted in a completely randomized design with eight treatments (seasons) and four replicates of 20 mini-cuttings per experimental unit on the following dates: July 15th (winter, 2013); October 28th (spring, 2013); January 30th (summer, 2013); April 29th (autumn, 2014); July 28th (winter, 2014); November 29th (spring, 2014); February 2nd (summer, 2014); April 12th (autumn, 2015).
This accumulation, in the presence of rooting hormone and moist substrate covered by a plastic sheet, stimulates the development of adventitious roots in the area of the wound.
21 roots per explant with highest (92%) rooting response when inoculating 4 adventitious shoots per bottle.
This will allow any adventitious roots in contact with the soil to grow and aid in developing a strong and vigorous root system for your tomatoes.
There was no interaction for roots in any of the evaluated layers, as well as for dry matter of adventitious roots and total root dry matter.
Hormonal control of adventitious rooting: progress and questions.
The regeneration system of yacon has been established using adventitious buds or stem as explants, and virus-free seedlings have been successfully obtained (Zeng, 2004).
People worry about the adventitious roots of Hydrangea petiolaris and ivy damaging mortar but if brickwork or stonework is sound initially, these climbers actually protect the walls.