2 edition of Breeding for enhanced nitrogen fixation in groundnut found in the catalog.
Breeding for enhanced nitrogen fixation in groundnut
Programme implemented at the International Crops Research Institute for the Semi-Arid Tropics, Andhra Pradesh, India.
Includes bibliographical references (p. 108-118).
|Statement||by M. Dutta.|
|LC Classifications||SB351.P3 D88 2009|
|The Physical Object|
|Pagination||x, 132 p. :|
|Number of Pages||132|
|LC Control Number||2009305125|
HYDERABAD: A scientific breakthrough in the DNA sequencing of the groundnut promises development of improved varieties with enhanced traits, such as increased pod and oil yield, drought and heat. The Soybean and Nitrogen Fixation Research is located in Raleigh, NC and is part of the SOUTHEAST AREA. The Research Leader is Thomas Carter. Email: @ Phone: () Fax: SOYBEAN & NITROGEN FIXATION RU LIGON ST. Raleigh, NC
The process of biological nitrogen fixation offers and economically attractive and ecologically sound means of reducing external nitrogen input and improving the quality and quantity of internal resources. In this book, we outline sustainability issues that dictate an increased use of biological nitrogen fixation and the constraints on its Author: J.K. Ladha. Nitrogen fixation and benefit to maize crop Nitrogen fixation by groundnut and velvet bean and residual benefit to a subsequent maize crop Ambate Okito (1), Bruno José Rodrigues Alves (1), Segundo Urquiaga (1) and Robert Michael Boddey (1) (1)Embrapa Agrobiologia, Km 47, antiga Rio-São Paulo, CEP Seropédica, RJ, Brazil. E-mail.
Biological nitrogen fixation by endophytic diazotrophic bacteria. Nitrogen (N) is a major essential element for all organisms, and generally the amount of available N (mainly inorganic nitrogen such as nitrate or ammonia) in soil is limiting factor for natural and agricultural plant production .Biological nitrogen fixation (BNF) is a process by which atmospheric dinitrogen (N Cited by: 4. Table 3: State-wise Area, Production and Productivity of Groundnut in India (): Table 3: State-wise Area, Production and Productivity of Groundnut in India () State Area (Million ha) Production () Productivity (kg/ha) Gujarat ( % of India) ( % of India) Andhra Pradesh Karnataka Tamil Nadu .
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In their review on breeding for enhanced nitrogen fixation in crop legumes, Herridge and Rose () concluded that while genetically based variation in N 2 fixation traits has been demonstrated.
The role that plant breeding might play in increasing global N 2 fixation was encapsulated in the preamble of the report of a workshop at the Boyce Thompson Institute, Cornell, USA (LaRue, ).The preamble stated: “ As N fertiliser derived from fossil fuels rises in price, the enhancement of biological nitrogen fixation in agriculture will become more by: NITROGEN FIXATION BY GROUNDNUT (ARACHIS HYPOGA EA) IN INTERCROPPED AND ROTATIONAL SYSTEMS P.C.T.
Nmbhr, M.R. ht M.S. Reddy, rad R.W. W&yl Summary This paper examines the nodulation and nitrogen furation of groundnut when grown in pure culture or in associatbn with pearl millet, maize or Size: 1MB.
Introduction General Description and Crop Use. Groundnut (A. hypogaea L.), also called peanut, is the third most important oilseed crop in the is cultivated in tropical, subtropical, and temperate countries between 40 o N and 40 o S. It is an excellent source of edible oil and protein while the main byproducts of the crop, namely oilcake and haulms, serve as important animal Cited by: 2.
Breeding for enhanced nitrogen fixation in groundnut M. Dutta, Manoranjan Dutta, Du Not In Library. Borrow. Congresses, Accessible book, Nitrogen-fixing microorganisms, Protected DAISY1 book International Conference on the Physiological Limitations and the Genetic Improvement of Symbiotic Nitrogen Fixation ( Cork, Ireland).
Strategies for the enhancement and exploitation of biological nitrogen fixation are assessed with attention to the likely timescales for realization of benefits in agriculture. Benefits arising from breeding of legumes for N2-fixation and rhizobial strain selection have less potential to increase inputs of fixed N than alleviation of environmental stresses or changes in farming Cited by: Nitrogen fixation in groundnut and soyabean and the residual benefits of incoporated legume stover to subsequent rice crops were estimated in farmers' fields using15N-isotope methods.
Three field experiments were conducted, two which examined N2-fixation in groundnut by15N-isotope dilution using a non-nodulating groundnut as a reference crop and Cited by: The fixation of nitrogen--the conversion of atmospheric nitrogen to a form that plants can use--is fundamental to the productivity of the biosphere and therefore to the ability of the expanding human population to feed itself.
Although the existence and importance of the process of biological nitrogen fixation has been recognized for more than a century, scientific advances.
groundnut/maize systems to in the bambara groundnut/cowpea intercrops, while N fixed was kg/ha and kg/ha in the respective intercrop systems. The expectation of enormous contribution of nitrogen fixation to bambrara groundnut. UNESCO – EOLSS SAMPLE CHAPTERS BIOTECHNOLOGY – – Biological Nitrogen Fixation - James Kahindi, Nancy Karanja, Mamadou Gueye ©Encyclopedia of Life Support Systems (EOLSS) 1.
Introduction Nitrogen is an essential element for plant growth and development and a key issue of. Excess of nitrogen results in too much of vegetative growth at the expense of groundnut pod production.
However, in early stages of plant growth nitrogen is very much in demand when the plants are in the initial stages of nitrogen fixation.
A good strategy for nitrogen management in groundnut cultivation is to apply a starter dose of 15 to Groundnut (Arachis hypogaea L.) growth and yield responses to seed irradiation and mineral fertilization.
1Iman A. Farag and 2Ahmed A. Zahran 1,2Natural Products Department, National Center for Radiation Research and Technology, Nasr City,Cairo, Egypt.
A good strategy for nitrogen management in groundnut cultivation is to apply a starter dose of 15 to 20 kg N/ha, and encourage nitrogen fixation by Rhizobia inoculation to meet the nitrogen needs of plants.
The starter dose of nitrogen is side dressed along with phosphorus and potassium application just before sowing. This basal dose of. required energy source for the energy intensive nitrogen fixation process.
It is this symbiotic interaction which will be highlighted in this book . The research in the field of Biological Nitrogen Fixation is very active at the moment, especially in the subfield of symbiotic nitrogen fixation.
Although a number of ooks and proceedings b. Horner CK, Allison FE. Utilization of Fixed Nitrogen by Azotobacter and Influence on Nitrogen Fixation. J Bacteriol.
Jan; 47 (1):1– [PMC free article] Lloyd B, Cranston JA. Studies in gas production by bacteria: Denitrification and bacterial growth phases. Biochem J. ; 24 (2)– [PMC free article] Wilson JB, Wilson by: It is recommended to scientific community that giving 12 hrs pre-soaking treatment of 50 ppm Gibberellic acid (GA3) to cumin seed at room temperature increases germination with enhanced seedling vigour.
Allelopathic effects of different weed extracts on seed germination and vigour in groundnut, cowpea and greengram (). Cereal Nitrogen Fixation: Problems and Potentialities S. Wani 1 Summary Estimates of nonsymbiotic and associative nitrogen fixation indicate that nitrogen fixation occurs at magnitudes that may be of agronomic significance.
Long-term N balances for crop production, although difficult to measure, are necessary for. Molybdenum is one of the essential nutrients plants require for growth. It is critical for nitrogen fixation.
A low soil molybdenum level means low nitrogen fixation level. Molybdenum is easily available for plants around a pH of It’s more difficult for plants to get molybdenum in low pH soils (below pH ).
The objective of this study was to quantify the contribution of biological nitrogen fixation (BNF) to groundnut (Arachis hypogaea) and velvet bean (Mucuna pruriens) crops using the 15 N natural abundance (d 15 N) technique and to determine their residual effect and that of a natural fallow, on growth and N accumulation by two rustic maize.
~~ Food and agriculture Enhancing biological nitrogen fixation by S.K.A. Danso and D.L. Eskew* Agricultural production has increased dramatically in the last few decades, but increases in world population have kept pace and still greater increases in crop produc tion will be required in the coming decades.
More than. to symbiotic nitrogen fixation. Acid soils are widespread in Western Kenya and Eastern Uganda where groundnut is an important crop. This study seeks to isolate and characterize indigenous rhizobia capable of nodulating groundnut from the region and establish the best soil conditions under which their N-fixing efficiency is enhanced.The conversion of atmospheric Nitrogen into ammonia by the nitrogen fixing microbes, mostly certain bacteria and blue green algae is called biological nitrogen fixation.
Although leguminous plants have been used extensively in agriculture for centuries, it is possible to exploit these nitrogen fixing plants meaningfully. Genotypic variability among peanut (Arachis hypogea L.) in sensitivity of nitrogen fixation to soil drying.
Plant Soil –; Dwivedi S. L., Crouch J. H., Nigam S. N., Ferguson M. E., Paterson A. H. (). Molecular breeding of groundnut for enhanced productivity of security of food security in the semi-arid tropics: opportunities and Cited by: