Farklı Bakteri Uygulamalarının Domates (Solanum lycopersicum L.) Bitki Gelişimi Üzerine Etkileri

Bu çalışma, 2015 yılında Iğdır ili volkanik, kumlu ve tuzlu topraklarından elde edilen 25 PGPR straininin domates (Solanum lycopersicum L.) bitkisinin gelişimine etkisini değerlendirmek amacıyla yürütülmüştür. İzole edilen bakterilerin tanısı Mikrobiyal Tanılama Sistemi (MIS) kullanılarak gerçekleştirilmiştir. Azot fikse etme ve fosfat çözme özellikleri belirlenen strainlerin domates gelişimine etkisi gübre ve kontrol uygulamaları ile kıyaslanmış, ortalama ana kök uzunluğu, ortalama yan kök uzunluğu, bitki yüksekliği, gövde çapı ve dal sayısı parametreleri incelenmiştir. Çalışmanın sonucunda; Bacillus atrophaeus, Bacillus gordonae, Bacillus licheniformis, Bacillus megaterium, Bacillus sphaericus, Bacillus subtilis, Bacillus thuringiensis kurstakii, Bacillus viscosus, Brevibacillus centrosporus, Brevibacillus choshinensis, Chryseomonas luteola, Microbacterium lacticum, Micrococcus luteus, Micrococcus lylaei, Pseudomonas balearica, Pseudomonas pseudoalcaligenes, Pseudomonas putida, Sphingobacterium faecium, Sphingomonas paucimobilis, Staphylococcus cohnii cohnii, Staphylococcus gallinarum ve Virgibacillus pantothenticus olmak üzere 14 tür tanılanmıştır. Bakteri uygulamalarının ele alınan parametreleri gübre ve hiç uygulama yapılmayan kontrol bitkilere kıyasla önemli düzeyde arttırdığı ve en yüksek etkinin Bacillus spp. türlerinde olduğu tespit edilmiştir.

Anahtar Kelimeler:

PGPR, domates, toprak, Iğdır, Solanum lycopersicum L.

Effects of Different Bacteria Applications on Tomato (Solanum lycopersicum L.) Plant Growth

This study was conducted to determine the effects of the 25 PGPR strains, which were isolated from the salty, sandy and volcanic soils in Iğdır province, together with fertilizers and control applications on tomato seedlings in the year 2015. Tested bacteria were identified on the basis of the fatty acid types and their percentages of the strains using Microbial Identification System (MIS) computer software program. The effects of the bacterial strains, whose nitrogen fixation and phosphate solubilization properties were determined, on the growth of tomato seedlings were examined by comparing with fertilizers and control applications. Plant yield components i.e. the average length of main root, average length of lateral roots, plant height, stem diameter, leaves numbers were examined. Bacteria isolated as a result of the study; they were identified as Bacillus atrophaeus, Bacillus gordonae, Bacillus licheniformis, Bacillus megaterium, Bacillus sphaericus, Bacillus subtilis, Bacillus thuringiensis kurstaki, Bacillus viscosus, Brevibacillus centrosporus, Brevibacillus choshinensis, Chryseomonas luteola, Microbacterium lacticum , Micrococcus luteus, Micrococcus lylaei, Pseudomonas balearica, Pseudomonas pseudoalcaligenes, Pseudomonas putida, Sphingobacterium faecium, Sphingomonas paucimobilis, Staphylococcus cohnii cohnii, Staphylococcus gallinarum, Virgibacillus pantothenticus. It has been determined that bacteria applications significantly increase the examined parameters compared to fertilizer and control plants and the highest effect was in Bacillus spp.

Keywords:

PGPR, tomato, soil, igdir, Solanum lycopersicum L.,

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