Abstract
Thirteen isolates of Xanthomonas oryzae and six phage isolates collected from the various localities of West Malaysia were employed to elucidate some of their properties in comparison with Japanese isolates.The phages are almost completely inactivated at 50-55°C. The phage particles of all the isolates are tadpole-shaped. They are composed of a spherical head 63mμ in diameter, and a tail 156-176mμ in length and 15mμ in width. The Malaysian phage isolates show differences in the host range among them. From serological observations it appears that the Malaysian phages belong to the OP1 group.The latent period for Malaysian phage isolates is 40-45min. On average 13-45 phage particles, depending on the phage isolates, are finally liberated from a single bacterial cell.The bacterial isolates tested are less virulent to rice varieties in comparison to Japanese isolates, and therefore, are placed in the intermediate or less virulent group.
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Claims 2
Claim · model-written summary
Malaysian bacterial isolates were less virulent to rice varieties than Japanese isolates.
- Taxon
- rice varieties
Oryza sativae0 - Interactor
- Xanthomonas oryzaeXanthomonas oryzaee1pathogen
- Outcome
- virulent to rice varietiese0
- Direction
- lesse0
- Comparator
- Japanese isolatese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The bacterial isolates tested are less virulent to rice varieties in comparison to Japanese isolates”
e1“Thirteen isolates of Xanthomonas oryzae”
Claim · model-written summary
The bacterial isolates were placed in an intermediate or less virulent group.
- Taxon
- rice varietiesOryza sativae0
- Interactor
- Xanthomonas oryzaeXanthomonas oryzaee1pathogen
- Outcome
- intermediate or less virulent groupe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The bacterial isolates tested are less virulent to rice varieties in comparison to Japanese isolates, and therefore, are placed in the intermediate or less virulent group”
e1“Thirteen isolates of Xanthomonas oryzae”