A Diallel Analysis of Celery Shoot and Leaf Production and the Inheritance of a Dwarf Mutant in Celery PDF Download
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Author: Michael William McCaffery
Publisher:
ISBN:
Category : Celery
Languages : en
Pages : 164
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Book Description
Author: Michael William McCaffery
Publisher:
ISBN:
Category : Celery
Languages : en
Pages : 164
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Book Description
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 568
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Book Description
Author: William Renwick Beattie
Publisher:
ISBN:
Category : Celery
Languages : en
Pages : 168
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Book Description
Author: John C. Bouwkamp
Publisher:
ISBN:
Category : Celery
Languages : en
Pages : 216
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Book Description
Author: Sara May
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Celery leaf curl disease was first reported in Australia in 1981 and first observed in the United States (U.S.) in 2010. The pathogen was initially identified as Colletotrichum acutatum J. H. Simmonds, which is now recognized as a species complex with over 30 identified species. Limited research has been conducted on this disease over the past 38 years. To expand our narrow understanding, research was conducted to identify the causal species and determine if they cause the same or different symptoms, explore population genetics and improve disease management strategies. Multilocus phylogenetic analyses were used to determine that C. fioriniae is the primary causal agent of leaf curl in North America and an Australian isolate was identified as C. godetiae. This is the first reported association of C. godetiae with leaf curl disease. To gain a better understanding of pathogen population structure and diversity and regional population differentiation, microsatellite markers were used to evaluate genetic diversity and population relationships. Analyses were conducted using C. fioriniae isolates collected from celery in the U.S. and Canada from 2010 to 2017. Populations from celery showed high genetic diversity with evidence of clonality, while isolates from apple showed evidence of sexual reproduction indicating different inoculum sources for these pathosystems. The sudden appearance of leaf curl disease, especially in locations where celery has been cultivated for many years, indicates a potentially seedborne pathogen. Preliminary experiments have demonstrated the potential seedborne nature of C. fioriniae through vertical transmission. Distinctions in disease symptoms on celery have been reported in association with different species of Colletotrichum and have resulted in different names for the same or very similar diseases. Comparative analyses showed the same symptomology is caused by three Colletotrichum species on two cultivars of celery indicating these different species cause the same disease. Observations of 40 to 100% disease incidence in natural epidemics make this a potentially devastating disease for celery growers. Field trials evaluating conventional and biorational materials showed that only conventional materials were effective on the highly susceptible cultivar Tango. However, one trial comparing Tango to the moderately resistant cultivar Merengo revealed significant disease reduction in this cultivar indicating its potential for use in both conventional and organic production systems.
Author: Janet Lynn Stites
Publisher:
ISBN:
Category :
Languages : en
Pages : 148
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Author: William Rodgers Bushnell
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 576
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Book Description
Origins, specificity, structure, and physiology; Evolution at the center of origin; Taxonomy of the cereal rust fungi; Specificity; The formae speciales; Race specificity and methods of study; Genetics of the pathogen: host association; Histology and molecular biology of host: parasite; Virulence frequency dynamics of cereal rust fungi; The rust fungus; Controlled infection by Puccinia graminis f.sp. tritici under artificial conditions; Developmental ultrastructure of hyphae and spores; Development and physical of teliospores; Obligate parasitism and axenic culture; The host parsite interface; The rusted host; Effects of rust on plant development in relation to the translocation of inorganic and organic solutes.
Author: T. Sera
Publisher: Springer Science & Business Media
ISBN: 9401710686
Category : Science
Languages : en
Pages : 535
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Book Description
Coffee Biotechnology and Quality is a comprehensive volume containing 45 specialised chapters by internationally recognised experts. The book aims to provide a guide for those wishing to learn about recent advances in coffee cultivation and post-harvest technology. It provides a quantitative and rational approach to the major areas of coffee research, including breeding and cloning, tissue culture and genetics, pest control, post-harvest technology and bioconversion of coffee industry residues into commercially valuable products. The chapters review recent experimental work, allowing a conceptual framework for future research to be identified and developed. The book will be of interest to researchers and students involved in any area of coffee research. Consequently, plant breeders, microbiologists, biotechnologists and biochemical engineers will find the book to be a unique and invaluable guide.
Author:
Publisher:
ISBN:
Category : Plant breeding
Languages : en
Pages : 1238
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Book Description
Author: Amir Muhammed
Publisher: Springer Science & Business Media
ISBN: 1468428861
Category : Medical
Languages : en
Pages : 493
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Book Description
For the last eighteen years we have been deeply involved in a cooperative effort with our Latin American colleagues in genetics, biochemistry, physiology, and molecular biology. We have been in close contact with scientists in a number of centers and have helped to organize symposia, workshops, and so forth, in an effort to accelerate their development and make their substantial work known. These symposia in Latin America have been quite successful. The fifteenth will take place in Brasilia in 1977. At the request of colleagues, we are in the process of developing a similar series in Asia. The first very successful symposium was held in Calcutta in 1973. We were most pleased when Dr. Amir Muhammed, Vice Chancellor of the University of Agriculture, Lyallpur suggested that we hold a symposium on a topic of great importance to Pakistan, Genetic Control of Diversity in Plants, under the auspices of the University of Agriculture. It is our hope that this symposium will be followed by additional ones in Pakistan as well as in other countries in the Far East. Leadership is quickly developing in the hands of outstanding scientists in these countries, and we appreciate the opportunity to cooperate with them. We are especially grateful to the Natiohal Science Foundation for makingPL- 480 funds available which made this symposium possible.
