Effect of cow manure on growth and bioactive components of Gynura pseudochina (Asteraceae)

Abstract

The objective of this study is to determine the effect of different amounts of cow manure on growth and leaf content of Gynura pseudochina, a medicinal plant. The experiment was arranged in a randomized block design. The first factor was the dose of cow manure with three levels (0 g polybag-1 (control), 500 g polybag-1 and 1000 g of polybag-1). Each experiment was repeated as 4 times. The data were analyzed with variance analysis by SAS 9.1.3 programme, significant differences at 5% were also analyzed by Duncan's Multiple Range Test. As a result of the studies, it was observed that the fertilization treatment with different doses of cow manure did not provide a significant difference in growth after 3 weeks after planting, but the leaf width was the highest after 4 weeks. In this study, it was determined that cow feces and fertilization did not increase the content of bioactive compounds of the leaf of Gynura pseudochina and the growth of canopies and tubers. The high rate of caterpillar infestations that occurred two weeks after planting disrupted the growth of Gynura pseudochina and the production of bioactive compounds. The results of the study clearly showed that cow manure did not properly increase the growth of canopies, tubers and the content of bioactive compounds of Gynura pseudochina.

Keywords

• Cow manure fertilizer,bioactive compound,dose,Gynura pseudochina,physiology components

İnek gübresinin Gynura pseudochina (Asteraceae) büyümesine ve biyoaktif bileşenlerine etkisi

Abstract

Bu araştırmanın amacı, tıbbi bir bitki olan Gynura pseudochina’nın farklı miktarlarda inek gübresiyle yetiştirilmesi ile büyümesine ve yaprak bileşenlerine olan etkisinin ortaya konulmasıdır. Çalışmalar rastgele bir blok tasarımında oluşturulmuştur. İlk faktör, üç aşamada farklı inek gübresi dozu (0 g polybag-1 (kontrol), 500 g polybag-1 ve 1000 g polybag-1) ile oluşturulmuştur. Çalışma dört defa tekrarlanmıştır. Veriler,  SAS 9.1.3 programında, varyans analizi ile analiz edilmiş, % 5 düzeyinde önemli faklılık gözlenenler Duncan'ın Multiple Range Testi ile de analiz edilmiştir. Çalışmalar sonucunda, inek gübresinin farklı dozları ile yapılan gübreleme tedavisinin bitkiler dikildikten 3 hafta sonra büyümede önemli bir farklılık sağlamadığı ama 4 hafta sonra yaprak genişliğinin en fazla oranda olduğu gözlenmiştir. Bu çalışmada kullanılan inek dışkısı ile gübrelemenin Gynura pseudochina’nın yaprağının biyoaktif bileşiklerinin içeriğini ve kanopilerin, yumrularının büyümesini arttırmadığı belirlenmiştir. Bitkilerin ekiminden iki hafta sonra gerçekleşen yüksek oranda tırtıl istilası Gynura pseudochina’nın büyümesini ve biyoaktif bileşiklerinin üretimini bozmuştur. Çalışma sonuçları açıkça göstermiştir ki inek gübresiyle gübrelemenin kanopilerin, yumruların büyümesini ve Gynura pseudochina’nın biyoaktif bileşiklerinin içeriğini düzgün şekilde arttırmamıştır.

Keywords

• İnek gübresi,biyoaktif bileşik,doz,Gynura pseudochina,fizyoloji bileşenleri

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