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231225s2010 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-94-4-0439
|2 doi
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Sharma, Rajan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Resistance to Grain Mold and Downy Mildew in a Mini-Core Collection of Sorghum Germplasm
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| 264 |
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|c 2010
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Revised 20.11.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Grain mold and downy mildew are important biotic constraints to grain sorghum (Sorghum bicolor) production worldwide and are best managed through host plant resistance. A sorghum mini-core collection composed of 242 germplasm accessions developed from a core collection of 2,246 landrace accessions from 58 countries was evaluated to identify sources of grain mold and downy mildew resistance. Of the 242 accessions, 140 that flowered during the rainy season (the other 102 accessions were photoperiod sensitive) were screened for grain mold resistance in a grain mold nursery under field epiphytotic conditions during 2007 and 2008. All 242 accessions were screened for downy mildew in the greenhouse using a sandwich inoculation technique. Fifty accessions were resistant to grain mold (≤10% mean severity). These resistant accessions represented four basic and six intermediate races of sorghum that originated from 21 countries and exhibited considerable diversity for agronomic and morphological traits. Downy mildew resistance (mean incidence ≤10%) was observed only in six (IS 28747, IS 31714, IS 23992, IS 27697, IS 28449, and IS 30400) of the 242 accessions. One accession, IS 23992, exhibited resistance to both the diseases. The morphologically and agronomically diverse accessions that are resistant to grain mold or downy mildew should be useful to sorghum disease resistance breeding programs
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| 650 |
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4 |
|a Journal Article
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| 700 |
1 |
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|a Rao, V P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Upadhyaya, H D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Reddy, V Gopal
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Thakur, R P
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 94(2010), 4 vom: 13. Apr., Seite 439-444
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
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|g volume:94
|g year:2010
|g number:4
|g day:13
|g month:04
|g pages:439-444
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-94-4-0439
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