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Bu çalışma, dünyada ve ülkemizde yaygın olarak yetiştiriciliği yapılan ve tuzluluğa hassas sebze türleri içerisinde yer alan fasulyede farklı tuz ve putresin uygulamalarının çimlenme ve fide gelişimi üzerine etkilerini belirlemek amacıyla yapılmıştır. Bitkisel materyal olarak Öz Ayşe sırık taze fasulye çeşidi kullanılmıştır. Çalışmada, 3 farklı tuz (NaCl) seviyesi (50, 100 ve 200 mM) ve 3 farklı putresin dozunun (0.1, 1 ve 2 mM) kullanıldığı toplam 16 farklı uygulama ele alınmış olup, tuz ve putresinin ayrı ayrı ve birlikte etkileri incelenmiştir. Çimlendirme ve fide denemesi şeklinde yürütülen çalışmada çimlenme oranı, radikula ve plumula uzunluğu, radikula yaş ve kuru ağırlığı, plumula yaş ve kuru ağırlığı, fide boyu, gövde çapı, kök uzunluğu, fide yaş ve kuru ağırlığı, kök yaş ve kuru ağırlığı, yaprak sayısı, klorofil, renk (L*, a*, b*, C* ve h°), pH, elektriksel iletkenlik ve kuru madde miktarı belirlenmiştir. Araştırma sonucunda uygulamalar arasında incelenen özellikler bakımından önemli farklılıklar bulunmuştur. Tuzluluğun fasulye tohumlarında çimlenmeyi büyük ölçüde engellediği tespit edilmiştir. Tuzluluk şiddetinin artması ile çimlenme oranında ve fide büyümesinde önemli derecede azalma görülmüştür. Tuz stresi altında putresin uygulamaları çimlenme özellikleri ve fide gelişim parametrelerinde artış sağlamıştır. Genel olarak putresin uygulamalarının tuz stresinin çimlenme ve fide gelişimi üzerinde meydana getirdiği olumsuz etkileri azalttığı belirlenmiştir. Sonuç olarak, putresinin 0.1 ve 1 mM’lık dozlarının 2 mM’lık doza göre hem tuzlu şartlarda hem de normal şartlarda çimlenme ve fide büyümesi üzerinde daha etkili olduğu tespit edilmiştir.
This study was conducted in the world and in our country to determine the effects of the different applications of salt and putresin in beans, which are widely cultivated and contained in salt-sensitive vegetable species, on grinding and fide development. As a vegetable material, it is used a variety of fresh beans. The study examined a total of 16 different applications with 3 different salt (NaCl) levels (50, 100 and 200 mM) and 3 different putresin doses (0.1, 1 and 2 mM) and studied the separate and joint effects of salt and putres. The study was conducted in the form of planting and fide testing; the planting rate, the length of the radicule and plumula, the age and dry weight of the radicule, the age and dry weight of the plumula, the length of the fide, the diameter of the body, the length of the root, the age and dry weight of the root, the number of leaves, chlorophyll, color (L*, a*, b*, C* and h°), pH, electrical conductivity and the amount of dry substance. The research results found significant differences in the characteristics of the applications studied. It has been found that salty greatly prevents grinding in beef seeds. The increase in the intensity of salt has seen a significant decrease in the grass rate and in the growth of fide. Applications of putresin under salt stress have provided an increase in grinding properties and fide development parameters. In general, the application of putresin has been determined to reduce the adverse effects of salt stress on grinding and fide development. As a result, the doses of 0.1 and 1 mM of potassium were found to be more effective on grinding and fide growth in both salt conditions and in normal conditions compared to the doses of 2 mM.
This study was conducted to determine effects of different salt and putrescine applications on germination and seedling growth in bean, which is widely cultivated in the world and in our country and is one of the vegetable species sensitive to salinity. Öz Ayşe pole fresh bean variety was used as herbal material. In the study, a total of 16 different applications using 3 different levels of salt (50, 100 and 200 mM) and 3 different doses of putrescine (0.1, 1 and 2 mM) were investigated. The effects of salt and putrescine separately and together were examined. In the study carried out in the form of germination and seedling experiment; germination rate, radicle and plumule length, radicle fresh and dry weight, plumule fresh and dry weight, seedling height, stem diameter, root length, seedling fresh and dry weight, root fresh and dry weight, number of leaves, chlorophyll, color (L*, a*, b*, C* and h°), pH, electrical conductivity and dry matter amount were determined. As a result of research, significant differences were found among the applications in terms of properties examined. It was determined that salinity greatly prevented germination in bean seeds. A significant decrease was observed in germination rate and seedling growth with increasing of salinity severity. The putrescine applications under salt stress provided an increase in germination properties and seedling growth parameters. In general, it was detected that putrescine applications reduced negative effects of salt stress on germination and seedling growth. As a result, it was determined that 0.1 and 1 mM doses of putrescine were more effective on germination and seedling growth under both saline and normal conditions compared to 2 mM dose.
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