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Showing posts with the label ECONOMIC BOTANY MATERIAL

Reproductive Structures of Pteridophyte

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  Reproductive Structures of Pteridophyte The Pteridophyte sporophyte, besides being a prominent component of soil and vegetation, is an important ornamental plant in gardens and lawns. Indoors, its gracefulness and shape fit it ideally as a plant for pot culture in hallways and living rooms, especially during the months of November to March. Transportation of whole plants from one place to another without damage is attempted by packing them in sand, decomposed silt, ashes, or sawdust. Despite their rich horticultural value, many Pteridophytes are vanishing from nature due to indiscriminate destruction of their natural habitats and capturing of species for ornamental purposes. The best means of conservation is an adequate botanical knowledge of these plants, together with their habitats. The approaches of the non-destructive collection of herbarium specimens are now being stressed. The collection is also supplemented with data regarding the locality and habitat, so as to make it de...
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Most Common Cereals and Their Uses

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Most Common Cereals and Their Uses Cereals are the most important source of plant food to the human since since earliest time.The ancient civilizations were also dependent on several cereals. During their long period of cultivation their actual wild ancestors have been lost sight of, and countless new speciesand varieties have been evolved.In botanical literature cereals includes all the members of family Poaceae possessing the characterisiic fruit, Caryopsis. In this fruit the wall of the seed becomes fused with the ripening ovary wall to form the husk.The inseparable seed and ripening ovary wall is collectively known as “Grain”.Cereals are famous for nutritive values.These are the rich sources of carbohydrates,proteins,oils and vitamins. Cereals are widely used as principal food for almost all regions due to several reasons, viz., One or few of these cereals are available for each kind of climate; they also have a wide range of soil and moisture requirements; A little amount of l...
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