indicator plant


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indicator plant

[′in·də‚kād·ər ‚plant]
(botany)
A plant used in geobotanical prospecting as an indicator of a certain geological phenomenon.
References in periodicals archive ?
Kinnow mandarin proved to be a better indicator plant with moderate to severe disease symptoms on 76.
Greencompost is the form of compost prepared from green wastes such as garden and farm wastes and its effects were investigated for the improvement of dry matter yield and chemical composition of Lolium perenne grass, as indicator plant.
I use it as an indicator plant for deer activity in my moist, shady flower bed.
In the 1930s and 1940s, Russian scientists identified mustard as an indicator plant growing profusely over underground deposits of valuable metals.
Silk states that the "aim of this study is to quantify disturbance in lowland dipterocarp forest in East Kalimantan (Indonesia) with the use of a small set of indicator plant species (Macaranga and Mallotus, Euphorbiaceae).
Thus according to Jacobsen, Marah is an indicator plant for the presence of a nearby source of water.
Hence, the worker did not settle for an indicator plant from among those found abnormal.
So Podleckis' apple scar skin viroid test starts with a viroid-free indicator plant to which he grafts a piece of the quarantined plant to be tested.
among weedy indicator plants by mechanical transmission.
There are three basic methods of verifying that grapevines are free of harmful viral pathogens: 1) inoculating indicator plants (mostly herbaceous ones) with tissue from the grapevine being tested; 2) a process called "woody indexing," which involves grafting buds on to a grapevine variety that expresses symptoms; and 3) laboratory testing.
Indicator plants show signs of wilting prior to crop plants, thereby signaling when crop plants should be watered.
It is also helpful to understand the linkage of indicator plants already on the property, which can tell you if your site is well-suited for your woodland garden.