{"title":"夹竹桃根结线虫在夹竹桃上的侵染与卵发育","authors":"Rahma Mukhlis Adel, Firas Kadhim Al-Juboori","doi":"10.22268/ajpp-40.4.293298","DOIUrl":null,"url":null,"abstract":"Adel, R.M. and F.K. Aljuboori. 2022. Infection and Egg Development of the Root-Knot Nematode Meloidogyne javanica on Oleander Nerium oleander. Arab Journal of Plant Protection, 40(4): 293-298. https://doi.org/10.22268/AJPP40.4.293298 The identification and first record of Nerium oleander infection with root-knot nematode M. javanica was confirmed by the PCR test using the pair of species-specific primers (Fjav and Rjav). Symptoms of the Oleander root-knot disease are similar to those caused by these nematodes on other flowering plants. The results of the study described the stages of embryo development inside the egg and until hatching under laboratory conditions. The difference in egg shape index ranged from 35.8 to 87.9, whereas the dominant egg shape index was between 44.5 and 48.8. Keywords: Nerium oleander, eggs, embryo development, root knot nematode, Meloidogyne javanica","PeriodicalId":8105,"journal":{"name":"Arab Journal for Plant Protection","volume":"8 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Infection and Egg Development of the Root-Knot Nematode Meloidogyne javanica on Oleander Nerium oleander\",\"authors\":\"Rahma Mukhlis Adel, Firas Kadhim Al-Juboori\",\"doi\":\"10.22268/ajpp-40.4.293298\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Adel, R.M. and F.K. Aljuboori. 2022. Infection and Egg Development of the Root-Knot Nematode Meloidogyne javanica on Oleander Nerium oleander. Arab Journal of Plant Protection, 40(4): 293-298. https://doi.org/10.22268/AJPP40.4.293298 The identification and first record of Nerium oleander infection with root-knot nematode M. javanica was confirmed by the PCR test using the pair of species-specific primers (Fjav and Rjav). Symptoms of the Oleander root-knot disease are similar to those caused by these nematodes on other flowering plants. The results of the study described the stages of embryo development inside the egg and until hatching under laboratory conditions. The difference in egg shape index ranged from 35.8 to 87.9, whereas the dominant egg shape index was between 44.5 and 48.8. Keywords: Nerium oleander, eggs, embryo development, root knot nematode, Meloidogyne javanica\",\"PeriodicalId\":8105,\"journal\":{\"name\":\"Arab Journal for Plant Protection\",\"volume\":\"8 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Arab Journal for Plant Protection\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.22268/ajpp-40.4.293298\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Arab Journal for Plant Protection","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.22268/ajpp-40.4.293298","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Infection and Egg Development of the Root-Knot Nematode Meloidogyne javanica on Oleander Nerium oleander
Adel, R.M. and F.K. Aljuboori. 2022. Infection and Egg Development of the Root-Knot Nematode Meloidogyne javanica on Oleander Nerium oleander. Arab Journal of Plant Protection, 40(4): 293-298. https://doi.org/10.22268/AJPP40.4.293298 The identification and first record of Nerium oleander infection with root-knot nematode M. javanica was confirmed by the PCR test using the pair of species-specific primers (Fjav and Rjav). Symptoms of the Oleander root-knot disease are similar to those caused by these nematodes on other flowering plants. The results of the study described the stages of embryo development inside the egg and until hatching under laboratory conditions. The difference in egg shape index ranged from 35.8 to 87.9, whereas the dominant egg shape index was between 44.5 and 48.8. Keywords: Nerium oleander, eggs, embryo development, root knot nematode, Meloidogyne javanica
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