Kadife Çiçeği Ekstraktının Su Kabağı (Lagenaria siceraria) Genotiplerinin Fide Çıkış Performanslarına Etkisi

Öz

Son yıllarda bazı bitkisel organik ekstraktların tohum çimlenmesi ve fide kalitesine etkileri araştırılmaktadır. Bu çalışmada iki farklı su kabağı genotipinde Tagates patula türünün çiçeklerinden elde edilen ekstraktın (PAT, 10 g kurutulmuş petal/L, 25℃, 24 saat) çıkış ve fide kalitesine etkisinin belirlenmesi amaçlanmıştır. PAT primingin ekim öncesi etkisini belirleyebilmek için, uygulama yapılmış ve uygulama yapılmamış tohumlarda çıkış oranı (%), normal fide çıkış oranı (%), ortalama çıkış süresi (saat), çıkış indeksi, çıkış hız katsayısı (%), fide gövde kalınlığı(mm), fide boyu (cm), fide yaş ağırlığı (mg) ve fide kuru ağırlıkları (mg) belirlenmiştir. Sonuçlar PAT priming uygulamalarının çıkış oranını arttırdığını, ortalama çıkış süresini kısalttığı ve fide kalitesini arttırdığını göstermektedir. PAT priming uygulamasının her iki genotipte de kontrole göre çıkış oranını %15 ve %21, çıkış indeksini 0.49 ve 1.15, çıkış hız katsayısını %0.41 ve %2.11, fide gövde kalınlığını 1.07 ve 1.31 mm, fide boyunu 2.88 ve 3.47 cm, fide yaş ağırlığını 774 ve 1046 mg, fide kuru ağırlığını ise 50 ve 74 mg arttırdığı tespit edilmiştir. Sonuç olarak kadife çiçeği ekstraktı ile yapılan tohum uygulamaları ucuz, organik, çevre dostu, etkili ve basit uygulanabilir olmaları nedeniyle su kabağı genotiplerinde etkin bir şekilde kullanılabileceği belirlenmiştir.

Anahtar Kelimeler

• Organik priming
• allelopatik kimyasal
• uyarıcı etki

The Effect of Marigold Extract on The Seedling Emergence Performance of Bottle Gourd (Lagenaria siceraria) Genotypes

Öz

In recent years, the effects of some plant organic extracts on seed germination and seedling quality have been investigated. The aim of this study was to determine the effect of extract (PAT, 10 g dried petal/L, 25℃, 24 hours) from flowers of Tagates patula species on seedling and seedling quality in two different gourd genotypes. Because of the effect of PAT priming before sowing, emergence percentage (%), normal seedling percentage (%), mean emergence time (hours), emergence index, coefficient of velocity of emergence (%), stem thickness (mm), seedling length (cm), seedling fresh weight (mg) and seedling dry weight (mg) were determined in treated and control seeds. The results show that PAT priming applications increase the emergence percentage, shorten the mean emergence time and improve seedling quality. It was found that PAT priming increased the emergence percentage by 15% and 21%, emergence index by 0.49 and 1.15, coefficient of velocity of emergence by 0.41% and 2.11%, stem thickness by 1.07 and 1.31 mm, seedling length by 2.88 and 3.47 cm, seedling fresh weight by 774 and 1046 mg seedling dry weight by 50 and 74 mg in both genotypes compared to the control. As a result, it has been determined that seed treatments made with marigold extract can be used effectively in bottle gourd genotypes because they are cheap, organic, environment friendly, effective and simple applicable.

Anahtar Kelimeler

• Organic priming
• stimulatory effect
• allelochemicals

Kaynakça

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