SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS

Yıl: 2016 Cilt: 17 Sayı: 1 Sayfa Aralığı: 29 - 46 Metin Dili: Türkçe İndeks Tarihi: 29-07-2022

SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS

Öz:
Çalışmada gerçek tarla şartlarında (kontrol ve tuzlu) tam sezon yetiştirilen (çimlenmeden hasada kadar) 29 çeşit çeltikte kök anatomik datalarının, tuza dayanıklı olan genotiplerin seleksiyonunda bir kriter olarak kullanılıp kullanılmayacağının araştırılması amaçlanmıştır. Kök örnekleri, fikse edildikten sonra mikrotomla kesitleri alınmış ve ayrı ayrı 3 değişik boyama yöntemi ile boyanmıştır. Kesitlerden fotoğraflar çekilmiş ve 30 farklı parametre ölçümleri bilgisayar destekli yazılım ile kayıt edilmiştir. Tüm sayısal veriler tablolar halinde toplanıp değerlendirmeye alınmıştır. Sonuçlara göre; ksilem çapı, stele çapı, kök çapı ve medullar hücre çeperi kalınlığının, seleksiyon için en önemli ayırt edici parametreler olduğu tespit edilmiştir. Normal şartlara göre tuzlu ortamda yüksek düzeyde değişim gösteren çeşitlerin, en düşük verim gösteren çeşitler olduğu belirlenmiştir. Tuzlu koşullarda değişken parametre sayısının arttığı veya azaldığı (apoplastik bariyer lignifikasyon derecelerindeki değişimler de dahil olmak üzere) çeşitlerin özellikle "en düşük", "orta derece" ve "iyi" verimli" gruplara ait olduğu anlaşılmıştır. Ekstrem anatomik değişimlerin avantaj sağlamadığı, tersine orta derecede yani nispeten daha kararlı anatomik yapılı çeşitlerin, diğerlerine göre strese daha dayanıklı ve daha yüksek verimli oldukları tespit edilmiştir. Hatta apoplastik bariyerlerde ekstrem kalınlaşmaların, verimi arttırmadığı, tersine bir dezavantaja neden olduğu anlaşılmıştır. Tüm sayısal sonuçlar, az sayıdaki literatür kayıtları ve daha önceki çalışmalarım ve arazi gözlemlerim ile tutarlı çıkmıştır. Ayrıca tespit edilen yeni kök anatomik parametrelerin, tuza dayanıklı çeltik genotiplerinin seleksiyon ve ıslahında potansiyel kullanımı vurgulanmıştır.
Anahtar Kelime:

Konular: Biyoloji

Tam Zamanlı ve Gerçek Tarla Koşullarında Yetiştirilen Çeltik Çeşitlerinin, Kök Anatomik Datalarına Göre Tuza Dayanıklı Genotiplerinin Seleksiyonu

Öz:
I examined anatomical characteristics data of roots of 29 rice cultivars grown under real field conditions (control and saline) during a full season (from germination to harvest) to establish whether the data based on these characteristics could be used to distinguish between resistant and sensitive cultivars. The roots were fixed and their microtome sections were stained using three different methods for each section. The sections were photographed and measurement data of 30 different parameters were obtained using computer-aided methods. All data were grouped in quantitative tables and evaluated. The results of the evaluations showed that xylem diameter, stellar diameter, root diameter and medullary cell wall thickness were the most important parameters in selection. The cultivars characterized with a high level of change in saline conditions compared to normal conditions were found to be the cultivars with the lowest yield values. The cultivars for which the number of variable parameters increased or decreased (including apoplastic barrier lignification) were found to be of the groups denoted as low-, moderate- and high-yield groups. These results indicated that extreme changes did not provide an advantage, while cultivars with moderate changes - the cultivars with more stable anatomical structures - were more resistant to stress and produced higher yields. Moreover, extreme apoplastic barrier lignifications were found to not to lead to an increase in yield, but to become and disadvantageous case for the plants. All present results are consistent with our previous studies and field observations. The potential use of new root anatomy parameters in selection and breeding of salt resistant rice cultivars were underlined.
Anahtar Kelime:

Konular: Biyoloji
Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA AYBEKE M (2016). SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS. , 29 - 46.
Chicago AYBEKE Mehmet SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS. (2016): 29 - 46.
MLA AYBEKE Mehmet SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS. , 2016, ss.29 - 46.
AMA AYBEKE M SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS. . 2016; 29 - 46.
Vancouver AYBEKE M SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS. . 2016; 29 - 46.
IEEE AYBEKE M "SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS." , ss.29 - 46, 2016.
ISNAD AYBEKE, Mehmet. "SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS". (2016), 29-46.
APA AYBEKE M (2016). SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS. Trakya University Journal of Natural Sciences, 17(1), 29 - 46.
Chicago AYBEKE Mehmet SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS. Trakya University Journal of Natural Sciences 17, no.1 (2016): 29 - 46.
MLA AYBEKE Mehmet SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS. Trakya University Journal of Natural Sciences, vol.17, no.1, 2016, ss.29 - 46.
AMA AYBEKE M SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS. Trakya University Journal of Natural Sciences. 2016; 17(1): 29 - 46.
Vancouver AYBEKE M SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS. Trakya University Journal of Natural Sciences. 2016; 17(1): 29 - 46.
IEEE AYBEKE M "SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS." Trakya University Journal of Natural Sciences, 17, ss.29 - 46, 2016.
ISNAD AYBEKE, Mehmet. "SELECTION OF SALT-RESISTANT RICE GENOTYPES USING ANATOMICAL ROOT DATA OF SEVERAL CULTIVARS GROWN UNDER REAL, FULL-SEASON FIELD CONDITIONS". Trakya University Journal of Natural Sciences 17/1 (2016), 29-46.