Basem Attar, S. Ahmad, M. Kayim, E. Choueiri, H. Ghannam, A. Hamwieh, Rabat Morocco. Icarda, Cairo Egypt. Icarda
{"title":"有性生殖在拉比迪迪霉攻击鹰嘴豆中的作用","authors":"Basem Attar, S. Ahmad, M. Kayim, E. Choueiri, H. Ghannam, A. Hamwieh, Rabat Morocco. Icarda, Cairo Egypt. Icarda","doi":"10.22268/ajpp-038.1.017024","DOIUrl":null,"url":null,"abstract":"Attar, B., S. Ahmed, M. Kayim, E. Choueiri, H.A. Ghannam, A. Hamwieh. 2020. Role of sexual reproduction in the aggressiveness of Didymella rabiei affecting chickpea. Arab Journal of Plant Protection, 38(1): 17-24. Chickpea production is affected by Ascochyta blight disease in many countries and popular cultivars are put out of production due to the evolution of highly aggressive pathogen population. Sexual reproduction is believed to play an important role in the evolution of aggressive population in Didymella rabiei. Three crosses were made using four parental isolates (AR01 as MAT1-2 and AR02, AR03 and AR04 as MAT1-1) with varying levels of aggressiveness collected from Syria. Twenty randomly selected progenies per cross together with their respective parents were tested on susceptible (ILC-263) and resistant (ICC-12004) chickpea genotypes for their aggressiveness. Moreover, the mating type frequency was determined using multiplex Mating type markers. Latent period and disease severity were used to measure isolate aggressiveness in the progenies. The mean latent period ranged from 6-12 days in all progenies. The progenies showed significant differences on their aggressiveness in the three crosses. High level of aggressiveness of the progenies was generated from AR01 by AR04 crosses. The frequency of the two mating types was almost equal in all crosses. Our findings showed that sexual reproduction can create progenies that can adapt to resistant cultivars and could affect the effectiveness of commonly used fungicides to manage Ascochyta blight.","PeriodicalId":37670,"journal":{"name":"Arab Journal of Plant Protection","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Role of sexual reproduction in the aggressiveness of Didymella rabiei affecting chickpea\",\"authors\":\"Basem Attar, S. Ahmad, M. Kayim, E. Choueiri, H. Ghannam, A. Hamwieh, Rabat Morocco. Icarda, Cairo Egypt. Icarda\",\"doi\":\"10.22268/ajpp-038.1.017024\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Attar, B., S. Ahmed, M. Kayim, E. Choueiri, H.A. Ghannam, A. Hamwieh. 2020. Role of sexual reproduction in the aggressiveness of Didymella rabiei affecting chickpea. Arab Journal of Plant Protection, 38(1): 17-24. Chickpea production is affected by Ascochyta blight disease in many countries and popular cultivars are put out of production due to the evolution of highly aggressive pathogen population. Sexual reproduction is believed to play an important role in the evolution of aggressive population in Didymella rabiei. Three crosses were made using four parental isolates (AR01 as MAT1-2 and AR02, AR03 and AR04 as MAT1-1) with varying levels of aggressiveness collected from Syria. Twenty randomly selected progenies per cross together with their respective parents were tested on susceptible (ILC-263) and resistant (ICC-12004) chickpea genotypes for their aggressiveness. Moreover, the mating type frequency was determined using multiplex Mating type markers. Latent period and disease severity were used to measure isolate aggressiveness in the progenies. The mean latent period ranged from 6-12 days in all progenies. The progenies showed significant differences on their aggressiveness in the three crosses. High level of aggressiveness of the progenies was generated from AR01 by AR04 crosses. The frequency of the two mating types was almost equal in all crosses. Our findings showed that sexual reproduction can create progenies that can adapt to resistant cultivars and could affect the effectiveness of commonly used fungicides to manage Ascochyta blight.\",\"PeriodicalId\":37670,\"journal\":{\"name\":\"Arab Journal of Plant Protection\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2020-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Arab Journal of Plant Protection\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.22268/ajpp-038.1.017024\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Agricultural and Biological Sciences\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Arab Journal of Plant Protection","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.22268/ajpp-038.1.017024","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Agricultural and Biological Sciences","Score":null,"Total":0}
Role of sexual reproduction in the aggressiveness of Didymella rabiei affecting chickpea
Attar, B., S. Ahmed, M. Kayim, E. Choueiri, H.A. Ghannam, A. Hamwieh. 2020. Role of sexual reproduction in the aggressiveness of Didymella rabiei affecting chickpea. Arab Journal of Plant Protection, 38(1): 17-24. Chickpea production is affected by Ascochyta blight disease in many countries and popular cultivars are put out of production due to the evolution of highly aggressive pathogen population. Sexual reproduction is believed to play an important role in the evolution of aggressive population in Didymella rabiei. Three crosses were made using four parental isolates (AR01 as MAT1-2 and AR02, AR03 and AR04 as MAT1-1) with varying levels of aggressiveness collected from Syria. Twenty randomly selected progenies per cross together with their respective parents were tested on susceptible (ILC-263) and resistant (ICC-12004) chickpea genotypes for their aggressiveness. Moreover, the mating type frequency was determined using multiplex Mating type markers. Latent period and disease severity were used to measure isolate aggressiveness in the progenies. The mean latent period ranged from 6-12 days in all progenies. The progenies showed significant differences on their aggressiveness in the three crosses. High level of aggressiveness of the progenies was generated from AR01 by AR04 crosses. The frequency of the two mating types was almost equal in all crosses. Our findings showed that sexual reproduction can create progenies that can adapt to resistant cultivars and could affect the effectiveness of commonly used fungicides to manage Ascochyta blight.
期刊介绍:
The Arab Journal of Plant Protection is an open access journal included in CABI, AGRIS and Google Scholar data bases and indexed by Scopus. The journal’s aim is the promotion of plant health for crops grown in the Arab and Near East region and for safe food production and transfer of new knowledge on plant pests and their sustainable management. The journal deals with all scientific