TY - JOUR T1 - Kök-Ur Nematodu Meloidogyne luci’nin Farklı Populasyon Yoğunluklarının Domates Gelişimine ve Nematod Üremesine Etkileri TT - Effects of Different Population Densities of Root-Knot Nematode Meloidogyne luci on Growth of Tomato and Nematode Reproduction AU - Aydınlı, Gökhan AU - Civelek, Cüneyt PY - 2018 DA - June Y2 - 2018 DO - 10.16955/bitkorb.415169 JF - Plant Protection Bulletin PB - TARIM VE ORMAN BAKANLIĞI EĞİTİM VE YAYIN DAİRESİ BAŞKANLIĞI WT - DergiPark SN - 0406-3597 SP - 111 EP - 121 VL - 58 IS - 2 LA - tr AB - Kök-ur nematodu Meloidogyne luci’nin dört farklı başlangıç popülasyon (Pi)yoğunluğunun (101,102, 103 ve 104yumurta/bitki) hassas domates bitkisinin gelişimine venematod üremesine etkisini belirlemek için saksı denemesi yürütülmüştür. Bitkigelişimine ait kriterlerden, gövde boyu ve gövde çapına ait başlangıç değerlerinematod inokulasyonundan hemen önce kaydedilmiştir. Ayrıca, yapraklardakiklorofil içeriklerindeki değişimin belirlenebilmesi amacıyla nematodinokulasyonundan deneme sonuna kadar haftalık olarak ölçümler yapılmıştır.Nematod inokulasyonundan 60 gün sonra deneme sonlandırılarak gövde boyu, gövdeağırlığı, gövde çapı ve kök ağırlıkları belirlenmiştir. Köklerdeki urlanmaoranı 0-10 skalasına göre değerlendirilmiş ve nematodun final popülasyon (Pf)yoğunlukları ile üreme faktörü (Rf) tespit edilmiştir. Pi yoğunluğundaki artış,kök ağırlığı dışındaki bitki gelişim kriterlerinde azalışa neden olmuştur.Gövde çapı artış oranı Pi seviyesi 101, gövde boyu artış oranı ilegövde ağırlığı ise Pi yoğunluğu 103 olduğunda kontrolden (Pi=0) önemliseviyede azalmıştır (P˂0,05). Nematod ile bulaşık bitkilerde, kontrole görebaşlangıçtan itibaren daha düşük bir klorofil içeriği tespit edilmiş olsa bile,bu değişim istatistiksel olarak önemsizdir. Pi artıkça, ur skalası değerindeistatiksel olarak önemli artışlar tespit edilmiştir (P<0,05). Benzerşekilde, Pi yoğunluğundaki artış ile Pf değerinde de artışlar meydana gelmiş,fakat Pi yoğunluğu 103 ve 104olanuygulamalarda gram kökte elde edilen yumurta sayıları istatiksel olarakbirbirinden farksız bulunmuştur. En yüksek Rf değerleri düşük Piyoğunluklarında tespit edilmiş olup, istatistiksel olarak önemli azalış Piseviyesi 103’ün üzerine çıktığında gerçekleşmiştir. Nematod ilebitki gelişimi arasındaki ilişkiyi ortaya koymak amacıyla yapılan regresyonanalizlerinde, gövde boyu ve gövde çapı artış miktarının kontrole göre yüzdeazalışı ile Pi seviyesi arasında pozitif bir ilişki tespit edilmiştir. Benzer birpozitif ilişki, ur skalası ile gövde boyu ve ağırlığının azalış oranlarıarasında da belirlenmiştir. Sonuç olarak, bitki gelişim parametreleri, urlanmaoranı ve nematodun üremesi birlikte değerlendirildiğinde, Pi seviyesi 103 olduğunda,domates gelişimde önemli gerileme olduğu saptanmıştır. KW - Kök-ur nematodu KW - Meloidogyne luci KW - domates KW - inokulum seviyeleri N2 - Thepot experiment was conducted to determine the effects of four initialpopulation (Pi) densities (101,102, 103 and104 eggs/plant) ofroot-knot nematode Meloidogyne lucion plant growth of susceptible tomato and nematode reproduction. Initial valuesof shoot length and stem diameter as a plant growth criteria were determinedprior to nematode inoculation. Additionally, chlorophyll contents of leaf were weeklyrecorded from nematode inoculation to end of the experiment to assess theirdifferences. The experiment was terminated sixty days after nematodeinoculation to determine shoot length, shoot weight, stem diameter, and rootweight. Galls of root were evaluated according to 0-10 scale, and nematodefinal population (Pf) and reproduction factor (Rf) were determined. The increasein Pi densities caused reduction of plant growth parameters except for rootweight. Significant reductions were found stem diameter at 101 of Pi andshoot length and weight at 103 of Pi in comparison to control (Pi=0)(P˂0.05). a lower chlorophyll contentwas determined during the experiment period in nematode-inoculated plantscompared to non-inoculated plants, but not significantly. Significant increasesin the value of gall scale were found with an increase in Pi (P˂0.05). Similarly,Pf increased with an increase in Pi but egg numbers of gram root had nosignificant differences between 103 and 104 at Pi. MaximumRf values were recorded at low Pi values but statistically significant reduction was determined at higher Pi level than 103. Regressionanalyses were performed to detect the relationship between nematode and plantgrowth resulting in a positive correlation between Pi levels and the percentagedecrease in shoot length and stem diameters in relation to the actual growth incontrol. 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Damage potential and reproduction of Meloidogyne incognita race 3 and M. arenaria race 1 on Kenaf. Supplement to Journal of Nematology, 28 (4S), 668-675. UR - https://doi.org/10.16955/bitkorb.415169 L1 - https://dergipark.org.tr/en/download/article-file/497460 ER -