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040 _aMX-TxCIM
090 _aLook
_bunder journal title
100 1 _aMilus, E.A.
245 0 0 _aRelationships between disease reactions under controlled conditions and severity of wheat bacterial streak in the field
260 _c1996
340 _aPrinted
500 _aPeer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0191-2917
520 _aBacterial streak of wheat is best controlled by resistant cultivars, but there are difficulties associated with screening for resistance under field conditions. Screening for resistance under controlled conditions could facilitate the development of resistant cultivars if there is a good relationship between disease reaction and disease severity. The objective of this study was to determine the relationships between bacterial streak reactions on primary leaves of seedlings or flag leaves of adult plants and bacterial streak severity on adult plants in the field. Fifty spring wheats and 24 winter wheats were evaluated. Except for spring wheat cultivar reactions on primary leaves, reactions (ranks) of greenhouse-grown cultivars were significantly and positively related (r ranged from 0.60 to 0.64 with P less than or equal to 0.0012) to ranks of cultivars evaluated for bacterial streak severity. However, selection for low percentages of water-soaking under controlled conditions would keep a few wheats that were susceptible in the field and discard several wheats that were resistant in the field. Because of these discrepancies we cannot recommend inoculation under controlled conditions as a reliable means of screening a random sample of wheats for bacterial streak resistance
536 _aResearch and Partnership Program
546 _aEnglish
591 _aR96ANALY|1
594 _aINT1237
595 _aCSC
595 _aSC
650 1 7 _aPlant diseases
_gAGROVOC
_2
_91206
650 1 0 _91213
_aPlant response
_gAGROVOC
650 1 0 _aSelection
650 1 0 _aSelection index
650 1 0 _aXanthomonas campestris
650 1 7 _aWheat
_gAGROVOC
_2
_91310
700 1 _aChalkley, D.B.,
_ecoaut.
700 1 _aKirkpatrick, T.L.,
_ecoaut.
700 1 _9826
_aDuveiller, E.
_gDG's Office
_8INT1237
773 0 _tPlant Disease
_gv. 80, no. 7, p. 726-730
942 _cJA
999 _c17699
_d17699