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Mailing Address:
The Robert H. Smith Institute of
Plant Sciences and Genetics
in Agriculture
POB 12, Rehovot 76100, Israel

Administrator: Neomi Maimon 
Tel: 972-8-948-9251,
Fax: 972-8-948-9899,
E-mail: neomim@savion.huji.ac.il

Director: Prof. David Weiss
Tel: 972-8-948-9436
Fax: 972-8-948-9899
E-mail: david.weiss@mail.huji.ac.il

 

Publications

2018
Okoń, S. ; Ociepa, T. ; Paczos-Grzęda, E. ; Ladizinsky, G. Evaluation of resistance to Blumeria graminis (DC.) f. sp. avenae, in Avena murphyi and A. magna genotypes. Crop Protection 2018, 106, 177-181. Publisher's VersionAbstract
Powdery mildew is one of the main factors reducing oat yield quality and quantity. New sources of resistance are needed in many breeding programs. The most effective sources of resistance to fungal diseases in cereals have often been found in lower-ploidy species. Thus, tetraploid species could be valuable source of resistance to powdery mildew. The aim of the present study was to identify resistance among tetraploid genotypes that could be used in breeding programmes to increase the level of resistance to powdery mildew in oat. Sixty two Avena magna and 17 A. murphyi accessions were tested and all showed high level of resistance to oat powdery mildew. None of the accessions were completely susceptible to the tested pathogen isolates. Twelve A. magna and six A. murphyi accessions were resistant to all five isolates of the powdery mildew pathogen tested. The rest of the accessions showed a resistant or an intermediate response. The results of the present study show that there are several unexplored resistance sources among A. magna and A. murphyi. Because of the genomic similarity of tetraploid species to hexaploid oats the introduction of the new resistance sources in cultivated oats is promising. © 2017 Elsevier Ltd
2015
Ladizinsky, G. ; Abbo, S. The Search for Wild Relatives of Cool Season Legumes; Springer International Publishing, 2015; pp. 103. Publisher's VersionAbstract

Brings together research findings that have been accumulated during the last 40 years, mainly by the authors, on wild relatives of cool season legumes

Indicates the wild relatives of lentil, chickpea, common and bitter vetch that can be exploited for breeding

Presents biological evidence that pulse domestication proceeded in a unique course, already in the wild

The study of origin and domestication of legumes described in this book emerged when it became apparent that while this kind of information is adequate for cereals, the pulses lagged behind. At the end of the 1960s the senior author initiated a study on the chickpea's wild relatives followed by similar attempts for broad bean, fenugreek, common vetch, bitter vetch, and lentil. The junior author joined the project in the late 1980s with a study of the genetics of interspecific hybrid embryo abortion in lentil and later has extensively investigated chickpea domestication and wild peas. While this book mainly describes our research findings, pertinent results obtained by others are also discussed and evaluated. Studying the wild relatives of legumes included evaluation of their taxonomic status, their morphological variation, ecological requirements, exploration of their distribution, and seed collection in their natural habitats. Seeds were examined for their protein profile as preliminary hints of their affinity to the cultigens and plants grown from these seeds were used for establishing their karyotype, producing intra- and interspecific hybrids and analyses of their chromosome pairing at meiosis and fertility. The aim of these investigations was the identification of the potential wild gene pool of the domesticated forms. Assessment of genetic variation among accessions, particularly in the genus Lens, was made by isozymes and chloroplast DNA studies. The main findings include the discovery of the chickpea wild progenitor; studies of lentil in three crossability groups; wild peas proceeded in two lines of study; faba bean and fenugreek and their wild progenitors have not yet been identified; common vetch and its related form were treated here as an aggregate (A. sativa); we found gene flow between members of different karyotypes is possible; bitter vetch and its relation to the domesticated form were established by breeding experiments.

2014
Ladizinsky, G. Origin and domestication of the Southwest Asian grain legumes; Foraging and Farming: The Evolution of Plant Exploitation; 2014; pp. 374-389. Publisher's Version