0.25
0.5
0.75
1.25
1.5
1.75
2
Resistance of wild Lactuca germplasm to diseases and pests, and their exploitation in lettuce breeding
Published on 2015-05-241290 Views
Related categories
Presentation
Resistance of wild Lactuca germplasm to diseases and pests, and their exploitation in lettuce breeding 00:00
Genus Lactuca (98 species, one species cultivated)00:33
Geographical distribution of wild Lactuca spp01:19
Resistance to diseases and pests 01:37
Gene pools of Lactuca spp02:05
Interspecific crossing of L. serriola, L. saligna, L. virosa and L. aculeata with cultivated lettuce L. sativa 02:29
Representation of wild Lactuca spp. in genebank collections according to number of accessions 03:12
Field studies and collecting missions (since end of 1970th)03:55
Regeneration, phenotyping, verification of taxonomic status04:22
DNA profiles04:28
AFLP polymorphism 04:42
AFLP genetic polymorphism 04:57
Variation of wild Lactuca spp. in reaction to pathogens and pests 05:04
European journal05:26
Viral pathogens05:43
Lettuce mosaic virus (LMV) - 106:04
Lettuce mosaic virus (LMV) - 206:20
Mirafiori lettuce virus MLV (Lettuce big vein virus, LBV) - 106:34
Mirafiori lettuce virus MLV (Lettuce big vein virus, LBV) - 206:48
Bacterial pathogens06:49
Corky root (Sphingomonas suberifaciens, formerly Rhizomonas suberifaciens)07:01
Wild Lactuca spp. with resistance to corky root 07:36
Fungal pathogens08:39
Lettuce downy mildew (Bremia lactucae)09:04
Mechanisms of resistance of Lactuca sativa and wild Lactuca spp. against Bremia lactucae 09:16
Distribution* of resistance to B. lactucae among L. serriola samples 09:37
Assessment of resistance of European L. serriola samples (individual plants) to ten races of B. lactucae 10:07
Variation of resistance 10:40
Diversity of race-specific B. lactucae resistance11:04
L. saligna – B. lactucae interaction11:36
Materials for screening of resistance to Bremia lactucae 11:55
Frequency of different degrees of infection 12:17
Response of Lactuca aculeata accessions 12:37
Lettuce powdery mildew 13:02
Sources of resistance to lettuce powdery mildew in wild Lactuca spp13:24
Survey of race-specific reaction patterns of G. cichoracearum isolates 13:39
Anthracnose (Microdochium panattoniana) 13:52
Wild Lactuca spp. with resistance to anthracnose14:17
Nematodes14:25
Limited number of studies14:39
Insects and Mites15:01
Nasonovia ribisnigri Mosley (Green lettuce aphid)15:20
Examples of multiple disease resistance - L. saligna15:58
Known examples of lettuce cultivars issued from exploitation of wild Lactuca spp16:28
Genealogy of Contemporary North American Lettuce (1970-2004)16:51
Own practical result of lettuce breeding for resistance against B. lactucae17:35
Conclusions and future prospects 18:13
Acknowledgements18:48
Thanks you for your attention19:03