Yıl 2018, Cilt 28, Sayı 2, Sayfalar 200 - 208 2018-06-29

Effects of Endophytic Bacteria on Disease and Growth in Plants under Biotic Stress
Biyotik Stres Altındaki Bitkilerde Endofit Bakterilerin Hastalık ve Bitki Gelişimi Üzerine Etkileri

Ahmet AKKÖPRÜ [1] , Kamuran ÇAKAR [2] , Ahmad HUSSEINI [3]

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The aim of this study was to reveal the effects of four endophytic bacteria (EB) (Ochrobactrum

sp. CB36/1, Pantoea agglomerans CC37/2, Bacillus thuringiensis CA41/1 and Pseudomonas fluorescens CC44) on the plant development of tomato and pepper and the effects against bacterial spot disease caused by Xanthomonas euvesicatoria (Xe) in both hosts. EB applied on tomato and pepper seedlings cultivated in a sterile peat growing medium in a climate chamber in two different periods to the roots. The pathogen inoculated on the leaves by spraying. Disease severity was measured by different scales for tomatoes and peppers, and plant development parameters were determined at the end of the study. The antagonistic effects of EB against Xe and 1-Aminocyclopropane-1-carboxylic acid (ACC) deaminase activities were determined with in vitro studies. The effect of endophytic bacteria on tomato and pepper varied according to the host plant x endophyte x pathogen combination. While no bacteria were effective against the pathogen in vitro, Ochrobactrum sp. CB36/1 inhibited the disease severity by 37% in tomato plants, but this effect was not observed in pepper. Tomato and especially pepper plants under disease stress had root and shoot fresh and dry weight increased by 28% to 128% by EB. The measurable effects of EB under biotic stress were determined to be higher than in stress-free conditions. In conclusion, the endophytic bacteria used in the study have potential for use within sustainable integrated agricultural concept framework, with their effects determined to vary according to the host, pathogen and endophytic bacteria.

Bu çalışmada dört endofit bakterinin (EB) (Ochrobactrum sp. CB36/1, Pantoea agglomerans CC37/2, Bacillus thuringiensis CA41/1 ve Pseudomonas fluorescens CC44), domates ve biberin bitki gelişimi ile her iki konukçuda Xanthomonas euvesicatoria (Xe)’nın oluşturduğu bakteriyel leke hastalığına karşı olan etkilerinin ortaya konması amaçlanmıştır. Steril torf ortamında iklim odasında yetiştirilen domates ve biber fidelerine EB'ler iki farklı dönemde köklere uygulanmıştır. Patojen yapraklara pülverize edilerek inokule edilmiştir. Domateste ve biberde farklı sıkalalarla ölçülen hastalık şiddeti ve bitki gelişim parametreleri deneme sonunda belirlenmiştir. Ayrıca in-vitro çalışmalar ile EB’lerin Xe’ye karşı antagonistik etkileri ve 1-Aminocyclopropane-1-carboxylic asit (ACC) deaminase faliyetleri belirlenmiştir. Endofit bakterilerin domates ve biberdeki etkisi konukçu Bitki x Endofit x Patojen kombinasyonuna göre farklılık göstermiştir. Hiçbir bakteri in-vitro da patojene karşı etkinlik göstermez iken Ochrobactrum sp. CB36/1 domateste hastalık şiddetini %37 oranında engellemiş, fakat biberde bu etki gözlenmemiştir. Domates ve özellikle biberde hastalık baskısı altında EB’ler kök ve sürgün yaş ve kuru ağırlıklarını %28 ile %128 oran aralığında arttırmıştır. EB’lerin biyotik stress altında iken ölçülebilir etkilerinin stressiz koşullardan daha yüksek olduğu belirlenmiştir. Sonuç olarak çalışmada kullanılan endofit bakterilerin sürdürülebilir entegre tarım konsepti çerçevesinde kullanım potansiyelinin olduğu, bu etkinin konukçu, patojen ve endofit bakterilere göre değişebileceği belirlenmiştir.

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Birincil Dil en
Konular Mühendislik
Yayımlanma Tarihi Haziran 2018
Dergi Bölümü Makaleler
Yazarlar

Yazar: Ahmet AKKÖPRÜ (Sorumlu Yazar)
Kurum: Yüzüncü Yıl University, Faculty of Agriculture, Van, Turkey
Ülke: Turkey


Yazar: Kamuran ÇAKAR
Kurum: Yüzüncü Yıl University, Faculty of Agriculture, Van, Turkey
Ülke: Turkey


Yazar: Ahmad HUSSEINI

Bibtex @araştırma makalesi { yyutbd418070, journal = {Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi}, issn = {1308-7576}, eissn = {1308-7584}, address = {Yüzüncü Yıl Üniversitesi}, year = {2018}, volume = {28}, pages = {200 - 208}, doi = {10.29133/yyutbd.418070}, title = {Effects of Endophytic Bacteria on Disease and Growth in Plants under Biotic Stress}, key = {cite}, author = {ÇAKAR, Kamuran and AKKÖPRÜ, Ahmet and HUSSEINI, Ahmad} }
APA AKKÖPRÜ, A , ÇAKAR, K , HUSSEINI, A . (2018). Effects of Endophytic Bacteria on Disease and Growth in Plants under Biotic Stress. Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi, 28 (2), 200-208. DOI: 10.29133/yyutbd.418070
MLA AKKÖPRÜ, A , ÇAKAR, K , HUSSEINI, A . "Effects of Endophytic Bacteria on Disease and Growth in Plants under Biotic Stress". Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi 28 (2018): 200-208 <http://dergipark.gov.tr/yyutbd/issue/38909/418070>
Chicago AKKÖPRÜ, A , ÇAKAR, K , HUSSEINI, A . "Effects of Endophytic Bacteria on Disease and Growth in Plants under Biotic Stress". Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi 28 (2018): 200-208
RIS TY - JOUR T1 - Effects of Endophytic Bacteria on Disease and Growth in Plants under Biotic Stress AU - Ahmet AKKÖPRÜ , Kamuran ÇAKAR , Ahmad HUSSEINI Y1 - 2018 PY - 2018 N1 - doi: 10.29133/yyutbd.418070 DO - 10.29133/yyutbd.418070 T2 - Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi JF - Journal JO - JOR SP - 200 EP - 208 VL - 28 IS - 2 SN - 1308-7576-1308-7584 M3 - doi: 10.29133/yyutbd.418070 UR - http://dx.doi.org/10.29133/yyutbd.418070 Y2 - 2018 ER -
EndNote %0 Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi Effects of Endophytic Bacteria on Disease and Growth in Plants under Biotic Stress %A Ahmet AKKÖPRÜ , Kamuran ÇAKAR , Ahmad HUSSEINI %T Effects of Endophytic Bacteria on Disease and Growth in Plants under Biotic Stress %D 2018 %J Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi %P 1308-7576-1308-7584 %V 28 %N 2 %R doi: 10.29133/yyutbd.418070 %U 10.29133/yyutbd.418070
ISNAD AKKÖPRÜ, Ahmet , ÇAKAR, Kamuran , HUSSEINI, Ahmad . "Biyotik Stres Altındaki Bitkilerde Endofit Bakterilerin Hastalık ve Bitki Gelişimi Üzerine Etkileri". Yüzüncü Yıl Üniversitesi Tarım Bilimleri Dergisi 28 / 2 (Haziran 2018): 200-208. http://dx.doi.org/10.29133/yyutbd.418070