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Monday, August 3, 2020 | History

4 edition of Genetic improvement of rice varieties of India found in the catalog.

Genetic improvement of rice varieties of India

Sharma, S. D.

Genetic improvement of rice varieties of India

by Sharma, S. D.

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Published by Today and Tomorrow"s Printers and Publishers in New Delhi .
Written in English


Edition Notes

Other titlesRice varieties of India
StatementS.D. Sharma ; U. Prasada Rao.
ContributionsPrasada Rao, U.
The Physical Object
Pagination2 v. :
ID Numbers
Open LibraryOL17033406M
ISBN 108170194334, 1555282911
LC Control Number2008308320

Japan, some parts of India, Thailand, Sri Lanka, Bangladesh and many more [4]. Being the staple food in Sri Lanka, the Rice sown lands satisfy around 95 percent of the domestic requirement [5]. Rice varieties grown in Sri Lanka from ancient times to the middle of the last century are known as traditional rice varieties. Also known as cultivar.   The outcome of this study would help to formulate strategies for improving rice blast resistance through genetic studies, plant-pathogen interaction, identification of novel R genes, development of new resistant varieties through marker-assisted breeding for improving rice blast resistance in India and worldwide.

in the India by Dr. athan and a number of high yielding wheat varieties like Kalyan Sona, Sharbathi Sonara were developed. In rice the identification of dwarf Dee Gee Woo Gen from a tall rice variety by a Taiwan farmer revolutionized rice breeding. Using this DGWG at IRRI during the wonder rice IR 8 was released.   Rice is a staple food in many countries and provides billions of people around the world with an inexpensive, nutritious source of energy. There are many varieties of this popular grain that.

hybrid rice from 2 to 5 million hectares, to be able to increase rice yield by to 2 million tonnes of rice every year, and feed the teeming millions in the next 15 to 20 years. India has 59 hybrid rice varieties released form the public (31 varieties) and private (28 varieties) institutions. Genetic Analysis of Notched Grain in Rice (Z-M Xiong et al.) Genetic Studies on Seed Dormancy in Rice (D V Seshu & M E Sorrells) Genetics of Salt Tolerance in Rice (M Akbar et al.) Genetics of Bacterial Blight Resistance in Rice (G S Sidhu et al.) Genetic Analysis of Resistance to Brown Planthopper in Rice (R Ikeda & C Kaneda) Detection of.


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Genetic improvement of rice varieties of India by Sharma, S. D. Download PDF EPUB FB2

Many rice improvement programmes now aim to incorporate quantitative or polygenic resistance into rice varieties. Wang et al. () identified gene Pi5, which confers complete resistance, including nine regions of the genome with quantitative effects on blast resistance.

Genetic Improvement of Basmati Rice (a) Pyramiding of blast resistance genes in the Basmati rice variety Pusa Basmati (P). In: Abstract book: 7th international rice genetics symposium Nagarajan M, Vinod KK, Prakash G, Mondal KK, Singh NK, Singh AK () Improvement of Basmati rice varieties for resistance to blast and Cited by: 4.

A large number of rice varieties are released and noti-fied every year in India with higher yields, tolerance to biotic and abiotic stresses and to meet the requirement of changing farming systems based on user demands. Different rice varieties of distinct genetic background are a good promise for the future rice crop by:   Genetic analysis of traditional and evolved Basmati and non-Basmati rice varieties by using fluorescence-based ISSR- PCR and SSR markers.

Proc Natl Acad Sci USA, 99(9): – S. KUMBHAR, et al. Genetic Diversity and Population Structure in Rice Varieties from India O’Neill R, Snowdon R, Kohler W. Cited by:   To explore the genetic structure and diversity of rice varieties in Genetic improvement of rice varieties of India book India, we genotyped individuals of 24 indigenous rice varieties representing sali, boro, jum and glutinous types, 5 agronomically improved varieties, and one wild rice species Cited by: Future crop improvement needs the genetic variation from traditional varieties and related wild species to cope with the many biotic and abiotic stresses that challenge rice production around the world.

IRRI works to ensure the long-term preservation of rice biodiversity as part of the global strategy for the conservation of rice genetic resources. Green Revolution (GR) rice varieties are high yielding but typically drought sensitive.

This is partly due to the tight linkage between the loci governing plant height and drought tolerance. This. Genetic diversity among 42 elite Indian rice varieties was evaluated by Davierwala et al. () using three different types of DNA markers and parentage analysis. The average genetic similarity coefficient across all cultivars was and the average coefficient of parentage was   The knowledge of the extent and pattern of diversity in the crop species is a prerequisite for any crop improvement as it helps breeders in deciding suitable breeding strategies for their future improvement.

Rice is the main staple crop in India with the large number of varieties released every year. Studies based on the small set of rice genotypes have reported a loss in genetic diversity. Background. Rice (Oryza sativa L.) is a major ingredient in cuisines world over, in the form of breakfast cereals, staple carbohydrate, snacks, alcoholic beverage and addition to the two major subspecies, japonica and indica, [] several other minor rice types have been identified with genetic markers [2,3] which include the upland drought-tolerant Aus germplasms of India and.

breeders’ field books and records of plant pathologists and entomologists. I am glad that Dr. G.S. Khush, who led IRRI’s rice improvement program for 35 years, has summarized the available information in this publication on 34 IR varieties and prepared a list of IR breeding lines released as varieties in 75 countries.

Genetic Improvement of Long Duration Rice for Andaman and Nicobar Islands: A total of lines/improved varieties of long duration rice have been evaluated for yield, its attributing characters and biotic stress resistance for consecutive 4 years in station trials.

To explore the genetic structure and diversity of rice varieties in NE India, we genotyped individuals of 24 indigenous rice varieties representing sali, boro, jum and glutinous types, 5 agronomically improved varieties, and one wild rice species (O.

rufipogon) using seven SSR markers. A total of 85 alleles and a very high level of gene. Rice (Oryza sativa L.) is the predominant staple food in at least 33 developing countries, providing 27% of dietary energy supply, 20% of dietary protein and 3% of dietary fat (Kennady et al., ).It is estimated that the world needs to produce 40% more rice to feed the population by ().And it is the major abiotic stress factor that limits rice production worldwide.

The wild ancestors of domesticated rice had red seed, white rice being the result of a mutation in the rice domestication gene Rc. Many pigmented rice landraces are still grown by ethnic communities for their nutritional and cultural value.

This study assesses the genetic diversity in a collection of pigmented rice accessions from the Philippines. We undertook an analysis of the genetic. The relative lesion heights produced by these isolates on four different rice varieties varied widely.

Genetic variation of the isolates was analysed using ISSR markers. All India Coordinated. Genetic Improvement of Rice Varieties of India - 2 Vol. Set by S. D Sharma. India is the second largest consumer of rice on the globe after China, and more than twice that of the next country, Indonesia [1].

India produced 93 million tonnes of rice in andand the government is targeting million tonnes by and [2]. This is a list of rice cultivars, also known as rice are several species of grain called rice. Asian rice (Oryza sativa) is most widely known and most widely grown, with two major subspecies (indica and japonica) and o varieties.

Also included in this list are varieties of African rice (Oryza glaberrima) and wild rice (genus Zizania). Rice accounts for a significant contribution to the total food grain production in India. As the rice production area either stabilizes or declines, and there is a wide gap between projected.

The International Rice Research Institute was established in the Philippines in and this institute helped in evolving dwarf high yielding varieties with the concept of improving the plant type in indica rices based on the use of a gene from semi-dwarf Chinese varieties.The genetic erosion was estimated at and %, respectively.

Furthermore, the number of rice cultivars declined in India farms from aboutbefore colonialism to 30, in the mid-nineteenth century with unknown thousands more being lost after the Green Revolution.Two types of perennial wild rice, Australian Oryza rufipogon and a new taxon Jpn2 have been observed in Australia in addition to the annual species Oryza 2 is distinct owing to its larger spikelet size but shares O.

meridionalis-like morphological features including a high density of bristle cells on the awn the morphological traits resemble O. meridionalis except.