THIS PPT CONSIST OF ECONOMIC IMPORTANCE OF VASCULAR PLANTS

1. Economic importance
of vascular plants
UOG
PAKISTAN

2. Vascular plants:
 Latin word vasculum-duct
 308,312 Species
 Contain xylem and pholem
 Include:
 Pteridophyta
 Gymnospermae
 Angiospermae
 Economic botany:
 Application of botanical knowledge for the
welfare of mankind.

3. Soil anchorage
medicine
Economic importance of vascular plants:

4. Food Biofertilizer
Economic gains due to
Pteridophytes
ornamental
Medicinal plants
Chemical
production
Metal
accumulator

5. As biofertilizer
 Azolla root contain anabaena
 Nitrogen fixation
 As food:
 Azolla
 Isoetes tubers
 As ornamental:
 Lycopodium –
 christmas tree
 Selaginella plant-
 table decoration

6. As medicine:
 Pteris multifold
 Cancer ,hepatitis
 Marselia condensata
 Leaves –antidiuretics
 Snake bite
 Adiantum candatum
 Skin diseases
 Azolla pinnata
 Antibacterial and antifungal

7. As a chemical:
 Equisetum arvense
 Oxalic acid,Malic acid
 Pteris vittata
 Phenol
 Vitamin :
 Equisetum arvense
 Vitamin C
 DYE:
 Equisetum arvense
 Red dye

8. Harmful activities:
 Acts as weeds
 Harmful to animals and crops
 Pteridium aquilinum
 Poisonous for cattle

9.  Economic importance of gymnospermae:
 Source of wood
 Timber
 Soft wood
 Making furniture
 Examples :
 Cedar wood
 Douglas fir Agathis australis Pine trees

10. Food value:
 Chilgoza obtained from Pinus
gerardiana
 Seeds of Gnetum
 Kaffir bread
 Leaves used as vegetables.
 Sago seeds

11. Medicinal value:
 PTX –Paclitaxol
 Spindle fibre inhibitor
 Ephedrine
 Cycas gum
 Snake bite
 Malignant ulcer

12. Source of oil
 Edible oil
 Red cedar wood oil
 Perfumes and soaps
 Dressing of wounds

13. Resins:
 Secreted in ducts and canals of plants.
 Canadabalsam
 Amber
 Fossil resin
 Jewellery

14. Tanins :
 Leather industry
 Fibres:
 Obtain from Cycas
 Stuffing cushion and pillows
 Leaves used for baskets,mats,

15. As ornamental plant:
 Cycas
 Pinus
 Zamia
Araucaria

16. :

Economic importance of
Angiospermae
Cereals Legumes Fruits and
vegetables
Wood source
Rubber
Fibres

17. Cereals :
 Family gramineae
 Oryza sativa
 Rice straw
 Rice bran oil
 Triticum aestivum
 Bread,pastry,cakes
 Wheat straw
 Zea mays
 Fodder
 Corn starch

18. Legume:
 Family leguminosae
 Cicer arietinum
 Baisan
 Breads and sweets
 Glycine max
 Soyabean oil
 Soya bean flour
 Pisum sativum
 Protein,used in cooking
 Arachis hypogea

19. Vegetables and fruits:
 Daucas carota
 Brassica napus
 Raphanus sativus
 Solanum tuberosum
 Magnifera indica
 Citrus aurantium
 Citrus limonia

20. Fibres :
 Gossypium arboreum
 Clothes
 Towels
 Carpets and blankets
 Jute
 Flax fibres
 Essential oil
 Lavender oil

21. Wood:
 House building
 Furniture
 Doors
 Dalbergia sisso
 Source of rubber:
 Obtain from latex
 Sole shoes
 Erasers
 6 % rubber –foot wear
 4% - wire and cable insulation

22. Medicinal plants:
 Black seeds
 Bronchitis ,diabtetes and
stomach diseases.
 Curry leaf:
 Weight loss
 nausea
 Good for diabetics.
 Good for eyesight
 Heals wounds, burns and skin eruptions.

23. Economic loss
 Black locust plant:
 Weakness, posterior paralyses, loss of appettite
 Hemp dog bane:
 Damage horse and cattle
 Horse nettle:
 Irritation of mouth,gut
 Jimson weed:
 Weak pulse and heart beat

24. References:
 www.easybiologyclass.com
 www.biologydiscussion.com
 Economic botany by Dr.P.b PANDEY.