TY  - CHAP
N2  - Within the last 13 000 yearsmany crop species were domesticated and spread to a range
of agri-ecological environments, varying by species (Hancock 2012a).There was manual
selection for both food and agronomic characteristics, and natural selection for adaptation
to new agro-ecological environments. Such selection was affected by available gene
pools, continuing sources of genetic diversity from wild relatives andmutations, natural
selection pathways fromstabilising to directional, and both allo- and auto-polyploidy, to
result in unique gene pool patterns for each crop (Hancock, 2012b; Cortes et al., 2013).
Thedistribution of wheatwas expanded greatlywith the addition of the Aegilops tauschii
D genome to tetraploid durum wheat, thereby enabling hexaploid wheat to adapt to a
much wider agroecological range from the subtropics to high latitudes, and to provide
a wider diversity of food uses (Hancock, 2012c)...
ED  - Yadav, S S
ED  - Redden, R J
ED  - Hatfield, J L
ED  - Ebert, A W
AV  - restricted
KW  - Plant Genetic Resources
KW  -  Food Security
KW  -  Climate Change
KW  -  Agriculture
KW  -  Crop Genetic Diversity
KW  - 
ICARDA
KW  -  IITA
KW  -  ICRISAT
KW  -  Genebanks
KW  -  Abiotic Stress
KW  -  CropWild Relatives
KW  -  Biotic stress
KW  -  Chickpea
KW  - 
Groundnut
KW  -  Pigeonpea
KW  -  Pearl millet
KW  -  Sorghum
KW  -  Finger millet
KW  -  Drought Tolerance
A1  - Redden, R J
A1  - Upadyaya, H D
A1  - Dwivedi, S L
A1  - Vadez, V
A1  - Abberton, M
A1  - Amri, A
TI  - Role of Plant Genetic Resources in Food Security
UR  - http://oar.icrisat.org/11181/
T2  - Food Security and Climate Change
SP  - 159
Y1  - 2019///
ID  - icrisat11181
EP  - 188
SN  - 978-1-119-18064-7
PB  - John Wiley & Sons
ER  -