Phytophagous nematodes in cereal fields in Niğde Province, Turkey

Toktay, Halil; İmren, Mustafa; Akyol, Badel Gülsüm; Evlice, Emre; Riley, I. T.; Dababat, Abdelfattah A.

doi:10.16970/entoted.789346

Cited by 6 publications

(7 citation statements)

References 19 publications

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“…The changing soil conditions and host plant are effective in reducing the incidence and population densities of the main damaging plant parasitic nematode species (Sundararaju & Jeyabaskaran, 2003;Collins et al, 2011). Toktay et al (2020) reported that the fields where cyst nematodes were not found were generally rotated with other crops. Also, climate change and global warming affect spatial distribution and damage potential of pathogens and pests (Morgan & Wall, 2009).…”

Section: Discussionmentioning

confidence: 99%

“…Research on plant parasitic nematodes in cereal culture of the Lakes Region including Isparta and Burdur Provinces were limited. However, cereal nematodes were surveyed at a limited number of locations in the previous studies (Yavuzaslanoğlu et al, 2012(Yavuzaslanoğlu et al, , 2020Söğüt et al, 2014;Toktay et al, 2020). The objectives of this study are to investigate the distribution and density of plant parasitic nematodes in detail and to determine if they occur as mixed populations in cereal fields in Isparta and Burdur Provinces in Lakes Region of Turkey.…”

Section: Introductionmentioning

confidence: 98%

“…Heterodera avenae Wollenweber, 1924, Heterodera filipjevi (Madzhidov, 1981) Stelter, 1984, Heterodera latipons Franklin, 1969, Pratylenchus thornei Sher & Allen, 1953and Pratylenchus neglectus (Rensch, 1924) Filipjev & Schuurmans-Stekhoven, 1941 are reported as important parasitic nematodes of cereals worldwide (Nicol et al, 2003;Smiley & Nicol, 2009). These nematodes have also been reported on cereal fields in Turkey (Mısırlıoğlu & Pehlivan, 2007;Yavuzaslanoglu et al, 2012Yavuzaslanoglu et al, , 2020Dababat et al, 2015;Toktay et al, 2020). Particularly, root lesion nematodes were surveyed and identified on wheat cultivation by researchers in different regions of Turkey (Yıldız, 2007;Yavuzaslanoğlu et al, 2012Yavuzaslanoğlu et al, , 2020Kasapoğlu et al, 2014;Kasapoğlu Uludamar et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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Distribution and population density of plant parasitic nematodes on cereal production areas of Isparta and Burdur Provinces of Turkey

Özdemir¹,

Yaşar²,

Elekcioğlu³

2021

Turkish Journal of Entomology

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Plant parasitic nematodes were systematically surveyed in cereal production areas of Isparta and Burdur Provinces of Turkey in 2016-2017. Nine plant parasitic nematode genera were identified in Isparta and Burdur [Ditylenchus (23%), Geocenamus (20%), Helicotylenchus (33%), Heterodera (<1%), Meloidogyne (3%), Pratylenchus (76%), Pratylenchoides (52%), Paratylenchus (41%) and Tylenchus (18%)]. Pratylenchus spp. was found in 82% and 68% of samples, and Pratylenchoides spp. in 55% and 63% samples in Isparta and Burdur Province, respectively. The densities of Pratylenchus and Pratylenchoides species were higher in Isparta than in Burdur, and were often over the threshold for economic damage. As a result of morphological diagnostic studies,

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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Distribution and population density of plant parasitic nematodes on cereal production areas of Isparta and Burdur Provinces of Turkey

Özdemir¹,

Yaşar²,

Elekcioğlu³

2021

Turkish Journal of Entomology

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Section: Introductionunclassified

“…Pratylenchus thornei, buğdayda ekonomik açıdan en önemli tür olarak kabul edilmekte olup; Cezayir, Avustralya, Kanada, Hindistan, İsrail, İtalya, Meksika, Fas, Pakistan, Suriye, Türkiye ve Yugoslavya dahil olmak üzere birçok ülkede yaygın olduğu bildirilmiştir [20][21][22][23]. Türkiye'de de buğday üretim alanlarında P. thornei'nin en yaygın tür olduğu tespit edilmiştir [23,24]. Pratylenchus thornei stileti yardımıyla bitki kök dokusuna giriş yapan ve kök korteks hücrelerinin sitoplazmasından besinleri çekmek için hücre içine göç eden hareketli endoparazit bir nematod türüdür [25].…”

Section: Introductionunclassified

Buğdayda Pratylenchus thornei ve Rhizoctonia solani Etkileşimi

Özdemir

Arıcı

2022

Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Çalışma kontrollü koşullar altında 2021 yılının Mart-Temmuz ayları arasında Pratylenchus thornei ve Rhizoctonia solani’nin buğday üzerinde eş zamanlı ve ardışık inokulasyonlarıyla 6 farklı uygulama ile yürütülmüştür. Buğday tohumlarının ekiminden 10 gün sonra uygulama önceliğine göre nematod ve fungus inokulasyonu gerçekleştirilmiştir. Pratylenchus thornei için inokulum yoğunluğu 1000 larva+ergin birey kullanılırken, R. solani için hazırlanan kepek kültüründen steril saksı toprağına %5 oranında karıştırılmıştır. Bitkiler yaklaşık 7 hafta sonra sökülerek değerlendirme işlemi R. solani hastalık şiddeti, R. solani ’nin topraktaki yoğunluğu, toprak ve kökteki toplam nematod yoğunluğu (PF) ve P. thornei üreme oranı (PF (final)/Pİ (ilk)) üzerinden gerçekleştirilmiştir. Eş zamanlı R. solani ve P. thornei (N+F) uygulaması (4840 birey /kök) ile P. thornei uygulamasından 2 hafta sonra R. solani (N+2F) uygulamasında (4946 birey/kök) kökteki nematod yoğunluğunun yalnız nematod (N) uygulaması (4166 birey/kök)’ndan yüksek olduğu tespit edilmiştir. Pratylenchus thornei’nin en düşük üreme oranı R. solani uygulamasından 2 hafta sonra P. thornei (F+2N) uygulamasında (6.7) bulunurken, N (7.0), N+F (7.4) ve N+2F (7.4) uygulamalarının üreme oranları birbirine yakın saptanmıştır. Sadece R. solani uygulamasının (% 40.2) hastalık şiddeti N+F (% 48.6) ve N+2F (% 50.4) uygulamalarından daha düşük bulunmuştur. Bu sonuç buğdayda P. thornei ’nin R. solani'nin neden olduğu kök çürüklüğü hastalığını arttırdığını göstermektedir.

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Host Biotic Factors Affecting Virulence of Corn Cyst Nematode, Heterodera zeae on Corn in Egypt

Ismail¹

2023

PJN

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Four biotic factors respecting the corn plant affect the virulence of the corn cyst nematode, Heterodera zeae such as corn genotype, corn age, corn nutritional status, and cropping sequence regime. For the first factor, when two local corn cultivars, namely, Giza 2 (susceptible) and Kahera 1 (resistant), were subjected to the infection by H. zeae to determine the biotic effect of the host susceptibility on development and reproduction of the nematode, the final population and rate of build-up of the nematode were more remarkable on Giza 2 cultivar than on Kahera 1. Due to the high suitability of Giza 2 for nematode reproduction, there was more pronounced damage to plant growth in Giza 2 than in Kahera 1. As for the second factor, the nematode final population and rate of buildup correlated negatively with the host age, which multiplied highly and was more virulent on the youngest seedlings than on the oldest plants. Studies on the effect of N, P and/ or K fertilizers applied to Giza 2 corn on the behaviour of H. zeae revealed that the nematode population greatly varied according to the fertilizer type and level. When N, P, or K were used separately, the fertilized plants sustained the lowest nematode final population and rate of build-up as compared with those of the control plants; however, the recommended levels of these fertilizers caused the lower values amongst the applied fertilizers levels and achieved higher increase in the plant growth parameters. As for the N, P, and K used in different combinations, a similar trend was noticed when the recommended levels of the fertilizers were applied to plants. It is worthy of notice that when phosphorus was decreased or nitrogen increased, in combination with the other elements at their recommended levels, the nematode reproduced well and folded several times. Also, population dynamics of juveniles and cysts of H. zeae under the stress of a cropping sequence regime revealed that the average number in each stage greatly fluctuated. The density of juveniles or cysts gradually increased with the favorable host (Giza 2 corn) to reach its peak at the crop maturity, while the nematode population dropped sharply when the field became fallow. Likewise, the population densities of the previous stages declined gradually, even in the presence of the non-host crop (Egyptian clover CV. Meskawii).

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Phytophagous nematodes in cereal fields in Niğde Province, Turkey

Cited by 6 publications

References 19 publications

Distribution and population density of plant parasitic nematodes on cereal production areas of Isparta and Burdur Provinces of Turkey

Distribution and population density of plant parasitic nematodes on cereal production areas of Isparta and Burdur Provinces of Turkey

Buğdayda Pratylenchus thornei ve Rhizoctonia solani Etkileşimi

Host Biotic Factors Affecting Virulence of Corn Cyst Nematode, Heterodera zeae on Corn in Egypt

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