Effect of Systemic Fungicides on Germination, Seedling Growth, DNA, RNA and Phenolic Content of Brassica compestris L.

ÖZET: ÇalıĢmada, sera koĢullarında yetiĢtirilen hıyar (Cucumis sativus L.) bitkilerine farklı konsantrasyonlarda (Önerilen doz = 0.4 ml L -1 su, önerilen dozun iki katı (x2) = 0.8 ml L -1 su ve üç katı (x3) = 1.2 ml L -1 su) Cypermethrin etken maddeli bir insektisit uygulanmıĢtır. Morfolojik ölçümlerin yanında, çimlenme yüzdeleri, total protein ve prolin miktarları, fotosentetik pigment maddeleri ve endogen hormon içeriği de incelenmiĢtir. Uygulanan insektisitin tohumların çimlenmeleri üzerinde etkili olmadığı görülmüĢtür. Ancak büyüme parametrelerinden kök uzamasını inhibe ettiği belirlenmiĢtir. Fotosentetik pigment maddelerinde klorofil a, b ve toplam klorofil değerlerinde kontrol grubuna göre x3 uygulama grubunda azalma olmuĢ, karotenoid değerlerinde ise artıĢ meydana gelmiĢtir. Protein, prolin, Absisik asit (ABA) ve Indol-3 Asetik asit (IAA) miktarlarında kontrole göre x3 uygulama grubunda artıĢlar olduğu görülmüĢtür. Bu sonuçlara göre; uygulanan insektisitin özellikle yüksek konsantrasyonlarda uygulanması durumunda hıyar bitkilerinde abiyotik stres yarattığı, strese bağlı olarak bitki metabolizmasını, büyümeyi ve geliĢmeyi olumsuz yönde etkilediği ortaya konmuĢtur.Anahtar kelimeler: Cucumis sativus L., cypermethrin, prolin, protein, stres Morphological and Physiological Effects of the Insecticide with Cypermethrin Active Substance onCucumis sativus L. (Cucumber)ABSTRACT: In this study cucumber (Cucumis sativus L.) plants grown in greenhouse conditions were treated with different concentrations (Recommended dose = 0.4 ml L -1 water, twice the recommended dose (x2) = 0.8 ml L -1 water and three times (x3) = 1.2 ml L -1 water) Cypermethrin active insecticide. In addition to morphological measurements, germination percentages, total protein and proline quantities, photosynthetic pigment substances and endogen hormone content were also examined. The insecticide applied did not seem to be effective on germination of seeds. However, it was determined that it inhibited root elongation, one of the growth parameters. Chlorophyll a, b and total chlorophyll values decreased in x3 treatment group and increase in carotenoid values compared to the control group. Protein, proline, abscisic acid (ABA) and Indol-3 Acetic acid (IAA) values were found to increase in the x3 treatment group relative to control. According to these results; it has been determined that applied insecticide causes abiotic stress in cucumber plants especially with high concentrations. It has been shown that plant metabolism, growth and development are affected negatively by stress.

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Morphological and Physiological Effects of the Insecticide with Cypermethrin Active Substance on Cucumis sativus L. (Cucumber)

Dereboylu

Uğuz

Tort

2019

Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Effect of Systemic Fungicides on Germination, Seedling Growth, DNA, RNA and Phenolic Content of Brassica compestris L.

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Morphological and Physiological Effects of the Insecticide with Cypermethrin Active Substance on Cucumis sativus L. (Cucumber)

Morphological and Physiological Effects of the Insecticide with Cypermethrin Active Substance on Cucumis sativus L. (Cucumber)

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