Abstract
Isolate PD1 of Phytophthora was isolated from diseased black pericarp wax gourd in Guangxi in 2005. The morphological and biological characters of the isolate were examined, and its sequence of ribosomal DNA-ITS was analyzed. The range of growth temperature of the isolate was 10-37℃ and the optimal one was 31℃. The pathogen was sensitive to 10 mg/kg of malachite green, and its ability for starch utilization was weak. A wide host range of the pathogen was confirmed by artificial inoculation. The sizes of sporangia were (37.5-71.7) μm×(20.8-47.5) μm (av. 55.0 μm×30.4 μm ). Microcycle conidiation of the pathogen was observed. The pathogen was identified as Phytophthora drechsleri Tucker based on its morphological and biological characters as well as ribosomal DNA-ITS sequence.
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Claims 8
Claim · model-written summary
The growth temperature range of the Phytophthora isolate was 10-37℃.
Verbatim
t0“phytophthora blight of black pericarp wax gourd”
e1“The range of growth temperature of the isolate was 10-37℃ and the optimal one was 31℃”
Claim · model-written summary
The optimal growth temperature of the isolate was 31℃.
Verbatim
t0“phytophthora blight of black pericarp wax gourd”
e1“The range of growth temperature of the isolate was 10-37℃ and the optimal one was 31℃”
Claim · model-written summary
The pathogen was sensitive to malachite green at 10 mg/kg.
Verbatim
t0“phytophthora blight of black pericarp wax gourd”
e2“The pathogen was sensitive to 10 mg/kg of malachite green”
Claim · model-written summary
The isolate had weak ability to utilise starch.
Verbatim
t0“phytophthora blight of black pericarp wax gourd”
e3“its ability for starch utilization was weak”
Claim · model-written summary
The Phytophthora pathogen had a wide host range confirmed by artificial inoculation.
- Taxon
- black pericarp wax gourdt0
- Interactor
- Phytophthora
Phytophthorae0pathogen - Outcome
- host rangee4
- Qualifier
- widee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“phytophthora blight of black pericarp wax gourd”
e0“Isolate PD1 of Phytophthora was isolated from diseased black pericarp wax gourd”
e4“A wide host range of the pathogen was confirmed by artificial inoculation”
Claim · model-written summary
The sporangia of the pathogen measured 37.5-71.7 μm by 20.8-47.5 μm, with an average of 55.0 μm by 30.4 μm.
- Taxon
- black pericarp wax gourdt0
- Interactor
- PhytophthoraPhytophthorae0pathogen
- Outcome
- sizes of sporangiae5
- Value
- (37.5-71.7) μm×(20.8-47.5) μm (av. 55.0 μm×30.4 μm )e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“phytophthora blight of black pericarp wax gourd”
e0“Isolate PD1 of Phytophthora was isolated from diseased black pericarp wax gourd”
e5“The sizes of sporangia were (37.5-71.7) μm×(20.8-47.5) μm (av. 55.0 μm×30.4 μm )”
Claim · model-written summary
The pathogen showed microcycle conidiation.
- Taxon
- black pericarp wax gourdt0
- Interactor
- PhytophthoraPhytophthorae0pathogen
- Outcome
- Microcycle conidiatione6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“phytophthora blight of black pericarp wax gourd”
e0“Isolate PD1 of Phytophthora was isolated from diseased black pericarp wax gourd”
e6“Microcycle conidiation of the pathogen was observed”
Claim · model-written summary
The causal pathogen was identified as Phytophthora drechsleri Tucker based on morphological, biological and ribosomal DNA-ITS characters.
Verbatim
t0“phytophthora blight of black pericarp wax gourd”
e7“The pathogen was identified as Phytophthora drechsleri Tucker based on its morphological and biological characters as well as ribosomal DNA-ITS sequence”