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Kosmos
Astronomia Astrofizyka
Inne

Kultura
Sztuka dawna i współczesna, muzea i kolekcje

Metoda
Metodologia nauk, Matematyka, Filozofia, Miary i wagi, Pomiary

Materia
Substancje, reakcje, energia
Fizyka, chemia i inżynieria materiałowa

Człowiek
Antropologia kulturowa Socjologia Psychologia Zdrowie i medycyna

Wizje
Przewidywania Kosmologia Religie Ideologia Polityka

Ziemia
Geologia, geofizyka, geochemia, środowisko przyrodnicze

Życie
Biologia, biologia molekularna i genetyka

Cyberprzestrzeń
Technologia cyberprzestrzeni, cyberkultura, media i komunikacja

Działalność
Wiadomości | Gospodarka, biznes, zarządzanie, ekonomia

Technologie
Budownictwo, energetyka, transport, wytwarzanie, technologie informacyjne

Reaction to Rust by a Subset of Sorghum Accessions from Zimbabwe

Sorghum rust is a common disease in most of the sorghum-growing areas of the
world, which increase susceptibility to other major diseases. Although, plant
resistance is the best control strategy, today, a limited number of resistance
sources are available. Therefore, identification of new resistance sources is
essential to extend the control of the disease. In this study 68 sorghum accessions
from the Zimbabwe collection maintained by the USDA-ARS, Plant Genetic Resources
Conservation Unit at Griffin, Georgia were evaluated in Isabela, Puerto Rico
during two planting seasons in 2011 to identify new sources of rust resistance.
Across the two growing seasons, 12 accessions showed resistance, 15 accessions
exhibited a moderately susceptible response and 41 accessions showed a susceptible
response. Variation in disease response was observed within and between experiments
for 37 accessions. No rust infection was detected on PI482787 across the two
growing seasons, while accession PI482795 exhibited the highest rust infection.
This study identified new sources of rust resistance and shows that PI482787
possess gene(s) for rust resistance and that this accession could be used in
sorghum improvement breeding programs.

Asian Journal of Plant Pathology 2012/11/07 - 22:39 Czytaj