Ecological importance of pteridophyta briefly answare
Answers
Answer:
Pteridophytes are used in the horticulture. The different species of Selaginella are grown as the garden plants. ... It's an economically valuable species which is used as a bio fertilizer. Since Azolla leaves contains symbiotic cyanobacteria that are able to convert atmospheric nitrogen to nitrate.
Explanation:
The Pteridophytes are an economically important group of plants. Some of them are
Pteridophytes are used in the horticulture. The different species of Selaginella are grown as the garden plants. Ruhmora adiantiformis is called the florist’s fern; since their leaf resists wilting they are used in the cut flower arrangements.
Some of the ferns are used in handicrafts; petioles of certain ferns are used for making basketry and bracelets.
Pteridium leaves are used for making the green dye.
Club mosses are used as a dry industrial lubricant since its microscopic spore contains non-volatile oils. The spores are also used as flash powder in photography and also as finger print powder in forensic investigation.
Some pteridophytes are eaten as food.
Some are dinitrogen fixers example is the Azolla. It’s an economically valuable species which is used as a bio fertilizer. Since Azolla leaves contains symbiotic cyanobacteria that are able to convert atmospheric nitrogen to nitrate.
Some members of pteridophytes are noxious weed like Salvinia, Pteridium which are weedy aquatic ferns.
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Answer:
Importance are:-
1) Drugs- Rhizome and petiole of Dryopteris yield an anthelminthic drug.
2) Food value- Sporocarp of Marsilea are rich in starch and eaten for their nutritive value as food.
3) Indusrial use- Club mosses are used as a dry industrial lubricant since it microscopic spore contain non-volatile oil
4) Adiantum phillippens has been found to be very effective in the treatment of chest complaints.
5) Fertilizer- Azolla is use as nitrogen fixer in agriculture. It leaves contain nitrogen fixing bacteria , i. e, cyanobacteria through symbiotic association.
6) Forensic Investigation- Spores of mosses are use as finger print powder in forensic investigation. Also use as photography flash powder.
7) Ornamental value- Ferns are grown in gardens and at home for their attractive foliage leaves. Ruhmora adiantiformis commonly known as florist's fern are used in the cut flower arrangement as it leaves resist wilting.