Doğal meralardan toplanan çok yıllık çim Lolium perenne genotiplerinde bitkisel özelliklerinin belirlenmesi

Bu çalışmanın amacı 2001 -2002 yıllarında Trabzon, Rize, Erzincan ve Erzurum bölgelerinde meralardan toplanan Lolium perenne çok yıllık çim/ingiliz çimi genotiplerinde morfolojik ve fizyolojik karakterlerin belirlenmesine çalışılmıştır. 31 adet toplanan 1 adet kontrol olmak üzere toplam 32 Lolium perenne genotipinde Erzurum iklim şartlarında bitki boyu, çiçek boyu, çiçek sayısı, tohum boyu, tohum eni, yandal sayısı, bitkinin duruşu, yaprak sayısı, çiçeklenme gün sayısı,tohum olgunlaştırma tarihi, bin tane ağırlığı, çimlenme hızı, çimlenme gücü, yaprak boyu, yaprak eni, sap kalınlığı ve başak boyu gibi bitki karakterleri belirlenmiştir. Sonuçlar göstermiştir ki; 1430, 1516, 1652, 1535, 1785, 1636, 1526 ve1541 nolu genotiplerin ileri ıslah programlarına aktarılması gerektiği ortaya konulmuştur. Bitki boyu indicator olarak esas alındığında tohum, verim, çiçek sayısı, çiçeklenme ve tohum olgunlaştırma tarihi ve çimlenme hızı Lolium perenne genotiplerinin seçiminde etkili karakterler olarak belirlenmiştir. Islah programlarında genotiplerin seçimi için daha fazla çalışmalara ihtiyaç vardır

Anahtar Kelimeler:

Lolium perenne, toplama, morfolojik, fizyolojik, karakterizasyon

Determination of plant characteristics on perennial ryegrass Lolium perenne genotypes selected from natural pastures

The aim of this study was to determine morphogical and physiological characteristics in Lolium perenne genotypes, gathered from pastures of Trabzon, Rize, Erzincan and Erzurum provinces in 2001-2002 years. Total 32 gathered Lolium perenne genotypes 31 collected ans 1 control were grown in Erzurum climatic conditions. Plant characters, plant height, flower length, flower number, kernel length, kernel weight, branch number, stand, leaf number, flowering time, maturation date, thousand kernel weight, germination speed, germination power, leaf length, leaf width, stem thickness and spike length were taken. Result revealed that genotypes 1430, 1516, 1652, 1535, 1785, 1636, 1526 and 1541 were determined as promising genotypes and they should be placed in breeding programs. Considering plant height as indicator character in kernel and hay yield flower number, flowering and maturity times and germination power were determined as efficient characters in genotype selection in Lolium perenne breeding. More detailed studies are needed in genotype selection of breeding programs

Keywords:

Lolium perenne, collection, morphogical, physiological, characterization,

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