Improved breeding lines of alfalfa.
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Office of the Regional Administrator for Federal Research (Western Region), Science and Education Administration, U.S. Dept. of Agriculture , Berkeley, Calif
Alfalfa, Alfalfa -- Bre
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Print book: National government publication: English: Rating: (not yet rated) 0 with reviews - Be the first. Subjects: Alfalfa -- Germplasm resources. Alfalfa -- Breeding.
Improved breeding lines of alfalfa. book Alfalfa -. This alfalfa (Medicago sativa L.) line is a clonal selection out of Regen-SY germplasm as described by R.W.
Groose and E.T. Bingham (Crop Science). The line was selected for its ready regeneration in tissue culture and its efficient transformation by Agrobacterium tumefacians.
BREEDING BETTER ALFALFA seed and forage yield and its resistance to other diseases. It is now serving an extremely useful purpose in areas where alfalfa cannot be grown because of the stem nematode. Plant breeders can use ordinary selection methods to produce good strains of improved alfalfa, but the best strains with maximum improve.
Genetic transformation of commercial breeding lines of alfalfa (Medicago sativa) Article (PDF Available) in Plant Cell Tissue and Organ Culture 42(2) January with Reads. Archived Publications.
Applied Turfgrass Science (–) Crop Management (–) Forage & Grazinglands (–) Journal of Production Agriculture (–)Author: Alan W. Humphries, Carlos Ovalle, Steve Hughes, Alejandro del Pozo, Luis Inostroza, Viviana Barahona.
To improve global food supply and security, it is of great 61 concern to facilitate alfalfa industry by breeding efforts.
62 The Medicago sativa complex is composed of perennial, outcrossing, 63 morphologically differentiated, but often interfertile taxa (Havananda et al., ). 64 The Medicago sativa complex includes diploid and. In the alfalfa stand system the plants represent the elements; the structure is the morphological expression of the relationships among them.
The aim of the breeder is to improve the alfalfa stand. A positive result is possible only if both the constitutive parts of the system are improved. Two synthetic populations (Syn-5 and Syn-7), four inbred lines and four landraces of alfalfa (Medicago sativa L.) were studied for genetic relatedness.
These forms were characterized by different. Alfalfa is planted in more than 30 million hectares worldwide, but despite its popularity in temperate regions, it is not widely grown in subtropical agroecosystems. It is critical to improve alfalfa Improved breeding lines of alfalfa.
book such regions, considering current predictions of global warming and the increasing demands for animal-based products. In this study, we examined the diversity present in subtropical alfalfa. These manipulations have helped to clarify the cytogene tic structure of alfalfa, and allowed the testing of novel breeding strategies of potential importance to alfalfa improvement.
A major step in ploidy level manipulations was the identification of a method of obtaining haploids (2n = 2x = 16) from cultivated tetraploids (Bingham, ). Alfalfa (Medicago sativa L.) is a perennial forage legume that belongs to the sub-family of a diploid form exists, cultivated alfalfa is a predominantly cross-pollinated, tetraploid (2 n = 4 x = 32) species , which originated in southwestern Asia with Iran as the geographic center of origin [2,3].Alfalfa is an important forage source for livestock industries around the.
Twenty-seven new lines obtainable fromresearch stations and commercial breeders in Canada and the USA are listed with short descriptions of each. Committee on available breeding lines of alfalfa. We would like to contact you via email from time to time to seek feedback about ways in which we can improve My CABI such as adding or.
Breeding schemes to improve alfalfa (Medicago sativa L.) forage quality based on total herbage chemical composition can result in altered onally, cell‐wall composition of plant parts also may be altered.
This study investigated the effects of divergent selection for lignin concentration in total herbage of alfalfa on concentration of cell‐wall components and digestibility.
Details Improved breeding lines of alfalfa. PDF
We used a breeding method based on two generations of selfing to obtain S 2 alfalfa families and individual plants within family with high dry matter production and. Alfalfa (Medicagosativa L.) is one of the most widely grown crops in the ate (P) deficiency is common in areas where forage crops are grown.
To improve the use of organic phosphate by alfalfa, two Medicagotruncatula genes, phytase (MtPHY1) and purple acid phosphatase (MtPAP1), were overexpressed in alfalfa under the control of the constitutive CaMV35S promoter or.
Best known as an animal feed, Alfalfa Medicago sativa is one of the most important and widely produced livestock crops grown throughout the temperate world. "Alfalfa and Relatives: Evolution and Classification of Medicago" provides an in-depth introduction to the Medicago genus, exploring its evolution, breeding and adaptation.
Not only are Alfalfa's agricultural and environmental benefits. Producing Alfalfa Seed James P. Shroyer, Extension Specialist, Crop Production Paul C.
Amand, Assistant Professor, Alfalfa Breeding and Genetics Curtis Thompson, Extension Specialist, Crops and Soils, Southwest 6 Alfalfa Fertility Ray E. Lamond, Extension Specialist, Soil Fertility and Management 7 Weed Management.
T1 - An improved breeding strategy for autotetraploid Alfalfa (Medicago sativa L.) AU - Katepa-Mupondwa, Felicitas M. AU - Christie, Bert R. AU - Michaels, Thomas E. PY - /4/4. Y1 - /4/4. N2 - Alfalfa cultivar development will be enhanced by breeding strategies which utilize the full potential of autotetraploid population genetic.
Alfalfa cultivar development will be enhanced by breeding strategies whichutilize the full potential of autotetraploid population genetic structures. Thisstudy evaluates the effectiveness of an allelic selection scheme, which wasdeveloped to overcome limitations of inbreeding depression and to exploitgeneral and specific combining ability effects in autotetraploid c selection.
Alfalfa Science and Technology, Agronomy Monograph No. 15, C.H. Hanson. Fig. Characteristics Improved by Plant Breeding 2 • Genetic Principles 26 Symbolism for Describing Populations and Individuals 28 Symbolism for Describing Inbred Lines 31 Symbolism Chosen for This Book to Describe Populations, Individuals, and Lines Seeding Rate Effects in Alfalfa Dwain W.
Meyer North Dakota State University Roundup Ready alfalfa was released in June Roundup Ready alfalfa's primary advantage will be vastly improved annual and perennial weed control in both seedling and established stands and more consistent stand establishment, especially in drier areas.
information should also improve concept of semi-hybrid breeding in alfalfa. MATERIALS AND METHODS Plant material: The trial was conducted at the experimental field of Institute of Field and Vegetable Crops Novi Sad, Serbia during Twenty F 1 alfalfa hybrids and 5 parental populations were used in this research.
Myth: Alfalfa aggravates respiratory problems in horses with heaves. Some horses tend to cough more when fed alfalfa, but this is due to irritants such as dust and mold rather than the alfalfa. Figure 1: Results from the New York alfalfa yield trial where the yield of the base or unselected population was.
compared to the populations developed by the specified breeding method for the two alfalfa breeding programs, New York (NY) and Canadian (CAN) Base Population Mass.
alfalfa following alfalfa. Note that even though the number of plants is similar for all but fields planted with no waiting, yield increases dramatically. Source: Cosgrove et al., University of Wisconsin-River Falls, Effect of autotoxicity on alfalfa stands when alfalfa is seeded (a) immediately following alfalfa.
Today plant breeding is a specialized technology based on genetics.
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It is now clearly understood that within a given environment, crop improvement has to be achieved through superior heredity. Aim Plant breeding aims to improve the characteristics of plants so that they become more desirable agronomically and economically.
Alfalfa Breeding Methods Like other species, the goal of breeding and selection of alfalfa for improved varieties involves a process of increasing the frequency of desirable genes in the population of plants. In cross-pollinated crops like corn and alfalfa, mass selection was the first type of genetic improvement undertaken.
However, mass. The main objectives of this study were: (i) to identify specific morpho-physiological traits that contribute to improved resistance to drought in lines developed over several cycles of breeding and that could be useful as selection criteria in breeding beans for drought resistance; and (ii) to identify genotypes with desirable traits that could.
Alfalfa originated from the Mediterranean basin and southwest Asia (Iran, Afghanistan) and was one of the first forage crops to be domesticated (Cook et al., ).It is now cultivated worldwide, from 36°S to 58°N and from sea level up to m (Ecoport, ).The USA is the main producer of alfalfa, and the crop is common in many parts of Europe as well as in the Middle-East, Africa, South.
Identification of new cost-effective uses, improved forage quality, and development of value-added traits in alfalfa would stimulate wider use of alfalfa in cropping systems. Alfalfa populations for improved forage quality, new uses, or with value-added traits to be developed under this project include increased stem fiber digestibility, alfalfa for biofuel production and phytoremediation of.
Etymology. The word alfalfa is a Spanish modification of the Arabic word al-faṣfaṣa. History. Alfalfa seems to have originated in south-central Asia, and was first cultivated in ancient Iran.
According to Pliny (died 79 AD), it was introduced to Greece in about BC when the Persians invaded Greek a cultivation is discussed in the fourth-century AD book Opus Agriculturae.Brummer EC. Integrating genomics and breeding to improve yield and winter hardiness in alfalfa.
Proc. Plant and Animal Genome IX. San Diego, CA. Brummer EC and Smith M.
Description Improved breeding lines of alfalfa. EPUB
Alfalfa Variety Testing. Northeast Research and Demonstration Farm Annual Progress Report Iowa State Univ. Ext. ISRF p. Brummer EC and Smith M. The goals are to breed alfalfa that lives up to its potential, and to understand how it does it.
References. 1. I Holland, J. B. and E. T. Bingham. Genetic improvement for yield and fertility of alfalfa cultivars representing different eras of breeding.
Crop Sci. 2. Ipson, R. B. Thirty years at Wisconsin Alfalfa Variety.
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