Подробные сведения об учреждении

Lieberman Germplasm Bank, Institute for Cereal Crops Improvement, Tel-Aviv University

The Lieberman Cereal Germplasm Bank was established in the 1970's by the late Prof. I Whall.   The collection has been supported for the last 40 years by funds provided annually by the Lieberman/Okinow Endowment Chair at the University of Minnesota.  The Germplasm bank is located at the Institute for Cereal Crops Improvement (ICCI), Tel Aviv University.

Seed requests can be submitted to Dr. Hanan Sela,  E-mail: hans@tauex.tau.ac.il

Introduction

Israel is located at the southern end of the Fertile Crescent. This region is the center of origin of a number of wild ancestors of major crops such as wheat, barley, oats, legumes, olive, almond and more. These wild species, still growing in this region, serve as a rich gene pool for crop improvement with tolerance to drought and salinity and with resistance to different diseases.

Mission

The missions of the the germplasm bank are focused at cereal crops and aim accordingly to conserve the natural biodiversity of cereal crops wild relatives threatened by land development and diminishing natural habitats and to evaluate the breeding value of these wild relatives

Successes

These activities are of invaluable importance for successful crop cultivation. An example for this is a gene for resistance to crown rust of oats found by the ICCI team in wild oats in Israel and was transferred to cultivated oats in the U.S. that resulted in a 25-30% yield increase and higher grain protein content. Another example are MLA genes for barley powdery mildew resistance found by ICCI team in wild barley in Israel that are currently included in barley breeding programs in southern Germany. Recently, within a project funded by the Bill and Melinda Gates Foundation,  more than 1000 accessions of the Aegilops collection were screened to find accessions resistant to stem rust in general and to Ug99 in particular, many accession were found resistant.  Ug99 is a stem rust race that have devastative effect on wheat crops in east Africa.  

Overview

Seeds of  wild relatives of wheat, barley and oats amongst others, are stored in its storage rooms. The collection started in 1970, and continues every year since.  The collection activities are being carried out in all the geographical regions throughout Israel, covering areas with different environmental and growth conditions to get most of the genotypic variation of these species.

Special emphasis is given to the collection of two species: Triticum turgidum ssp. dicoccoides wild  emmer wheat the direct progenitor of cultivated wheat and Aegilops sharonensis – Sharon goatgrass, which is endemic to Israel, growing along to the Mediterranean seashore, and is in danger of loosing many of its populations.

In the collection there are about 15,000 single-spike origin accessions of 20 species collected from more than 600 collection sites across Israel.  The collected seeds are are evaluated for their response to several diseases: leaf rust, yellow rust, stem rust. The estimation of genetic diversity of  the collection is on the way using genotyping by sequencing. Genetic diversity of Ae. sharonensis, was  estimated using AFLP and SSR markers. Genetic diversity of T. dicoccoides was estimated using SNP markers.

 

Код учреждения
ISR003
Тип
Governmental
Страна
Образцы в проекте Genesys
Местоположение
Широта
32.08
Долгота
34.77
Наиболее широко представленные культуры
barley
wheat
Не указано
16,583
Названия наиболее широко представленных культур
wild barley
7,139
wild emmer
3,329
sharon goatgrass
2,695
slender goatgrass
1,903
goatgrass
1,835
Прочее
2,834
Не указано
1,504
Наиболее широко представленные роды
Aegilops
Hordeum
Triticum
Avena
Brachypodium
Прочее
7
Наиболее широко представленные виды
Hordeum spontaneum
Triticum turgidum
Aegilops sharonensis
Aegilops longissima
Aegilops speltoides
Прочее
4,531
Последние обновления паспортных данных
8 September 2019
26 September 2017
22 September 2017
PDCI: Индекс полноты паспортных данных
Проект Genesys использует PDCI как индикатор полноты опубликованных паспортных данных. PDCI использует наличие или отсутствие тех или иных элементов данных в документации на образец, находящийся в банке генетических ресурсов, при этом учитывается наличие или значимость других элементов данных.(van Hintum et al. 2011)Например, дикий образец должен иметь хорошо описанное место сбора, но для него не указывается название сорта. PDCI выражается числом от 0 до 10, где 0 — минимальное значение, присваиваемое почти незаполненному паспорту, а 10 означает, что паспортная документация заполнена практически полностью. Максимальный балл PDCI может быть присвоен любому типу образца: дикому, культурному, селекционному материалу или современному сорту.
Количество паспортных документов
10000
7500
5000
2500
0 1 2 3 4 5 6 7 8 9 10
Индекс полноты паспортных данных (PDCI)
Средний балл PDCI для 21,239 образцов составляет 6.93, при этом минимальная оценка составляет 4.15 баллов, а максимальная — 8.20 баллов.