The Allelopathic Effects of Turkish Hulled Wheat Lines on Germination of Amaranthus retroflexus L. and Lolium perenne L. Seeds

Year 2021, Volume: 7 Issue: 1, 56 - 62, 20.04.2021

Yasin Emre Kitiş , Mehmet Tekin , Taner Akar

https://doi.org/10.24180/ijaws.830616

Cited By: 1

Abstract

The aim of this study was to determine allelopathic effects of some emmer (Triticum dicoccum Schrank) and einkorn (Triticum monococcum L.) wheat lines on germination of redroot pigweed (Amaranthus retroflexus L.) and perennial ryegrass (Lolium perenne L.). For this purpose, fourty-nine emmer and thirty-six einkorn wheat lines with two commercial durum wheat cultivars (cvs. Svevo and Saragolla) were sown in experimental field of Akdeniz University. Leaves of emmer and einkorn lines were cut at the end of tillering stage (Z29) to obtain sufficient plant extracts. Afterwards, germination rates of weed species were recorded by carrying out petri experiments. Many of the emmer and einkorn wheat lines highly inhibited the germination of two weed species compared to durum wheat cultivars but some lines were found very efficient for inhibition of both species. Four lines of emmer and eight lines of einkorn wheat inhibited germination of redroot pigweed over 90% while one emmer line and six lines of einkorn inhibited germination of ryegrass over 80%. According to average germination values, it was revealed that while ten lines of emmer and seventeen lines of einkorn reduced germination of both weed species by more than 50%, effect of commercial wheat cultivars remained at the rate of 35% and 18%, respectively. As a result, there was a clear evidence that some lines of emmer and einkorn wheat had a suppressive effect on germination of two important weed species. This is the first report about the allelopathic potential of the emmer and einkorn wheats. However, further researches are needed to test effectiveness of these wheats on allelopathy under both greenhouse and field conditions in detail.

Keywords

Hulled wheats, einkorn, emmer, weed, inhibition effect

Supporting Institution

TUBİTAK

Project Number

214O401

Thanks

The study was funded by The Scientific and Technological Research Council of Turkey (TUBITAK) with the project number “214O401.” The authors thank to I. Coskun, G. Ozturk and O. Batu for their help in analyses.

Türk Kavuzlu Buğday Hatlarının Amaranthus retroflexus L. ve Lolium perenne L. Tohumlarının Çimlenmesi Üzerine Allelopatik Etkileri

Abstract

Bu çalışma ile bazı gernik (Triticum dicoccum Schrank) ve siyez buğdayı (Triticum monococcum L.) hatlarının horozibiği (Amaranthus retroflexus L.) ve çok yıllık çim (Lolium perenne L.) tohumlarının çimlenmeleri üzerine etkilerinin belirlenmesi amaçlanmıştır. Bu amaçla 49 gernik ve 36 siyez hattı, 2 ticari makarnalık buğday çeşidi (Svevo ve Saragolla) ile birlikte Akdeniz Üniversitesi araştırma alanına ekilmiştir. Gernik ve siyez hatlarının yaprakları kardeşlenme dönemi sonunda (Z29) bitki ekstraktlarını elde etmek amacıyla kesilmiştir. Yürütülen Petri denemeleriyle yabancı ot türlerinin çimlenme oranları kaydedilmiştir. Birçok gernik ve siyez hattı makarnalık buğdaya kıyasla iki yabancı ot türünün çimlenmesini yüksek oranda inhibe etmiştir fakat bazı hatlar inhibisyon konusunda oldukça başarılı bulunmuştur. 1 gernik hattı ile 6 siyez hattı çok yıllık çim türünün tohumlarının çimlenmesini %80’in üzerinde inhibe ederken 4 gernik hattı ile 8 siyez hattı horozibiği tohumlarının çimlenmesini %90’ın üzerinde inhibe etmiştir. Ortalama çimlenme değerlerine göre, 10 gernik hattı ile 17 siyez hattı her iki yabancı ot türünün de çimlenmesini %50’nin üzerinde geriletirken ticari buğday çeşitlerinin etkilerinin sırasıyla %35 ve %18 oranlarında kaldığı belirlenmiştir. Sonuç olarak, bazı gernik ve siyez hatlarının iki önemli yabancı ot türünün çimlenmesi üzerine baskılayıcı bir etki gösterdiği ortadadır. Bu çalışma, gernik ve siyez buğdaylarının allelopatik potansiyellerinin ortaya konduğu ilk rapordur. Fakat bundan sonraki çalışmalarla bu buğday türlerinin sera ve arazi koşullarında allelopati üzerine etkinliğinin daha detaylı bir şekilde araştırılması gereklidir.

Keywords

Kavuzlu buğdaylar, siyez, gernik, yabancı ot, inhibisyon etkisi

Project Number

214O401

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