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01000naa a22002652 4500 |
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NLM296533114 |
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DE-627 |
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20231225090040.0 |
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cr uuu---uuuuu |
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231225s2019 xx |||||o 00| ||eng c |
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7 |
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|a 10.1094/PDIS-01-19-0031-RE
|2 doi
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|a pubmed24n0988.xml
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|a (DE-627)NLM296533114
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|a (NLM)31033398
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Farinas, Coralie
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Development and Evaluation of Laboratory Bioassays to Study Powdery Mildew Pathogens of Phlox In Vitro
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| 264 |
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 05.08.2019
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| 500 |
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|a Date Revised 05.08.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The genus Phlox consists of approximately 65 species that include some of the most prevalent ornamental plants in the temperate zone. These popular ornamentals are extremely susceptible to powdery mildew (PM) caused by the biotrophic fungi Golovinomyces magnicellulatus and Podosphaera sp. In this study, we used Phlox paniculata and P. glaberrima to develop a set of laboratory tools to study these pathogens in vitro, including a detached leaf and a micropropagated plantlet bioassay. We assessed pathogen growth under different experimental conditions, which included the use of four different media variations (1/2 MS medium amended with benzimidazole and tetracycline), three ages of pathogen culture (14, 18, and 22 days), three phenological stages of the host tissue (1st, 3rd, and 5th node leaves), placement of inoculum on both leaf surfaces (abaxial and adaxial), and three different inoculation techniques (single spore transfer, colony tapping, colony brushing). Detached P. paniculata leaves were successfully maintained on benzimidazole-amended 1/2 MS medium for up to 3 weeks. For both pathogens, the use of 18-day-old cultures resulted in a higher number of larger, higher sporulating colonies compared with 1-4 and 22-day-old cultures. The adaxial side of 3rd node leaves supported statistically significant more fungal growth compared with the adaxial side of 1st and 5th node leaves. Both pathogens also successfully infected micropropagated plantlets of P. glaberrima. These newly developed tools should facilitate in vitro studies on PM of Phlox and possibly be applicable to other ornamental species attacked by the same fungi
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Jourdan, Pablo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Paul, Pierce A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peduto Hand, Francesca
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 103(2019), 7 vom: 01. Juli, Seite 1536-1543
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:103
|g year:2019
|g number:7
|g day:01
|g month:07
|g pages:1536-1543
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-01-19-0031-RE
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|d 103
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|h 1536-1543
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