Assessment of Hevea rubber tree genotypes (Hevea spp.) to Microcyclus ulei to identify sources of horizontal resistance (Record no. 54541)

MARC details
000 -LEADER
fixed length control field 01306nam a2200193Ia 4500
100 ## - MAIN ENTRY--AUTHOR NAME
Personal name Araujo A E
245 #0 - TITLE STATEMENT
Title Assessment of Hevea rubber tree genotypes (Hevea spp.) to Microcyclus ulei to identify sources of horizontal resistance
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Name of publisher Acta Amazonica
Year of publication 1997
300 ## - PHYSICAL DESCRIPTION
Number of Pages 27-32
500 ## - GENERAL NOTE
General note Source Year: 1998
520 ## - SUMMARY, ETC.
Summary, etc The resistance of Hevea rubber tree genotypes to South American leaf blight, caused by M. ulei, was evaluated. Two isolates of M. ulei were used. Seedlings in polyethylene bags were inoculated at the B1/B2 growth stage with 2 x 10 raised to 5 conidia/ml. The plants were incubated in humid chambers for 24 hours at 24 degree C. The latent period (PL), lesion diameter (DL), lesion type (TL) and the reaction type (TR) were determined. Most of the genotypes are completely susceptible to at least 1 isolate, were susceptible to the other. Only the AM/86/271 genotype showed incomplete resistance characterized by a longer PL, small DL and low sporulation. It is concluded that the genotypes tested do not have resistance which could be used in a breeding programme.
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical Term Hevea
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Topical Term Microcyclus ulei
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Personal name Filho
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Personal name Nobrega M B DE M
856 ## - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier RPP
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type Journals
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-- A N Kalil
Holdings
Withdrawn status Lost status Damaged status Not for loan Home library Current library Shelving location Date acquired Serial Enumeration / chronology Koha item type
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