9788170194422 - advances in pollen - spore research vol. 24 [hardcover] [jul 06, 2007] dr. a. j. solomon raju [hardcover] [jan 01, 2017] dr. a. j. solomon raju di raju, a j solomon (5 risultati)
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Condizione: New. pp. viii + 190 Acknowledgements.
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Hardbound. Condizione: As New. New. Contents 1. Monitoring of forest fires/biomass burning satellite remote sensing approach/A. Narayana Swamy and A. Siva Parvathi. 2. Rhythm of spore shedding in marine algae/G. Subba Rangaiah. 3. Effect of autumn winter season on the development of insect pollinators in temperate zone of Himach…al Pradesh/K.L. Kakar. 4. Pollen and pollinator resources of Kerala part of Western Ghats South India/P. Padmanabhan and K.A. Sujana. 5. Palynological studies on some species of Gesneriaceae/V.K. Jaimsha Rani S. Mini G. Valsaladevi and P.M. Radhamany. 6. Role of bees as pollinators of tropical forest species and need for conserving their diversity/K.R. Sasidharan and C. Kunhikannan. 7. Reproductive biology of jatropha integerrima jacq/Gauri Gupta Seema Chauhan and S.V.S. Chauhan. 8. Studies on factors affecting worker ovary development in Apis cerana indica Fab/P.T. Smitha Shruthi and N.S. Bhat. 9. Management of laying worker colonies of Apis cerana indica in relation to pollen feeding/P.T. Smitha Shruthi and N.S. Bhat. 10. A study on some aspects of pollination biology of winter ornamental plants/J.A. Tidke and R.O. Dharamkar. 11. Pollination ecology of some seasonal ornamental plants/J.A. Tidke and R.O. Dharamkar. 12. Pollen allergy incidence in India an overview/K. Henry Jonathan. 13. Anthesis schedules and pollen release in some forage plants of bees/A.J. Solomon Raju and S. Purnachandra Rao. 14. Relationships of Xylocopa bees with pollen flowers/Rashda Zafar and A.J. Solomon Raju. 15. Pollen flora of honey bees during summer season at Visakhapatnam/P. Kiran Kumari and A.J. Solomon Raju.16. Effect of bee attractants on bee visits and yield parameters of Mech 184 BT Hybrid cotton/K. Ganapathi and Shashidhar Viraktamath. Pollen grains are male reproduction units. They are small and formed in the anthers of flowering plants. Abiotic and biotic agents transfer pollen to the receptive site of stigma. Among biotic agents bees are the most important pollen vectors and have established intimate interactive relationships with flowers. The pollen grains carry different kinds of nutrients and upon arrival at the receptive stigma they germinate and continue their growth to the embryo sac in ovary of the flower. Each plant species has evolved a characteristic type of pollen depending on the mode of pollen transport and requirements for pollination process. The pollen characteristics are distinguishable by their outer form chemical composition and nutrient content. They are useful in Paleopalynology and melissopalynology. Paleopalynology refers to the identification of paleontological discoveries while melissopalynology to the identification of geographic and botanical origin of honeys. Morphological characteristics of pollen such as structure size colour and form are important in the reconstruction of vegetation climate of the past and plant diversity. Further they are key issues in plant taxonomy evolution and breeding and in identification of food sources and construction of foraging routes of foragers. Pollen is considered to be a marvelous medium for the growth of fungi and bacteria. Pollen composition varies from species to species. It contains proteins sugars starch amino acids and lipids as major components. The amino acids essential to humans are found in pollen. The polysaccharides such as callose pectin cellulose and lignin sporopollenin are predominant in pollen. Studies show that the pollen on a weight or calorie content basis is rich in protein fat minerals and vitamins when compared to the occurrence of such components in foods such as fried chicken beef baked beans apple raw cabbage tomatoes etc. suggesting that pollen is a substantial source of essential nutrients. Pollen is frequently considered as the perfect complete food. Numerous stories exist about the powers of pollen with reference to its nutritional value. One notable story is that high performance athletes eat pollen considering it as a miracle food to enhance their perfo.
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Hardcover. Condizione: New. ISBN:9788170194422.
