Bazı Çeltik Genotiplerinde (Oryza sativa L.) Verim ve Kalite Parametrelerinin Korelasyon Analizi ile Belirlenmesi
Bu çalışmada, bazı çeltik genotiplerinin (Oryza sativa L.) verim ve kalite parametreleri arasındaki ilişki korelasyon analizi ile belirlenmesi amaçlanmıştır. Araştırma; Erbaa, Niksar, Pazar lokasyonlarında 2016 ve 2017 vejetasyon döneminde 15 çeltik genotipi kullanılarak gerçekleştirilmiştir. Denemeler, Tesadüf Blokları Deneme Desenine göre dört tekerrürlü olarak kurulmuştur. Çalışmadan elde edilen sonuçlar, Spearmanftable korelasyon testine göre incelenmiştir. Çeltik verimi (PY); salkım çıkarma süresi (PHT, r = 0.163*), olgunlaşma süresi (MT, r = 0.252*), salkımda tane sayısı (NGP, r = 0.325**), bin tane ağırlığı (TGW, r = 0.159*), metrekarede salkım sayısı (TNPM, r = 0.282**), tek salkım verimi (SPY, r = 0.188*), kırıklı pirinç randımanı (BRY, r = 0.721**), kırıksız pirinç randımanı (UBRY, r = 0.502*), hasat indeksi (HI, r = 0.651**) aralarında önemli pozitif korelasyon belirlenmiştir. Kalite bakımından kırıklı (BRY) veya kırıksız (UBRY) pirinç randımanı ile salkımda tane sayısı (NGP, r = 0.768**), metrekarede salkım sayısı (TNPM, r = 0.629**), hasat indeksi (HI, sırasıyla; r = 0.729**, r = 0.503*) aralarında önemli pozitif korelasyon saptanmıştır. İncelenen özelliklerden elde edilen veriler, verim ve kalite bakımından üstün çeltik genotipi elde etmek amacıyla yapılan ıslah çalışmalarında faydalı olacaktır.
Determination of Yield and Quality Parameters in Some Paddy Genotypes (Oryza sativa L.) by Correlation Analysis
In this study, it was aimed to determine the correlation between yield and quality parameters of somepaddy genotypes (Oryza sativa L.) by correlation analysis. The research; Erbaa, Niksar, Pazar locations in 2016and 2017 vegetation period was carried out using 15 paddy genotypes. The experiments were established withfour replications according to the Randomized Blocks Experimental Design. Genotypes were examinedaccording to Spearman correlation test. Paddy yield (PY) and panicle heading time (PHT, r = 0.163 *),maturation time (MT, r = 0.252 *), the number of grains per panicle (NGP, r = 0.325**), thousand grain weight(TGW, r = 0.159 *), the number of productive tillers per square meter (TNPM, r = 0.282**), single panicle yield(SPY, r = 0.188 *), broken rice yield (BRY, r = 0.721 **), unbroken rice yield (UBRY, r = 0.502 *), harvest index(HI, r = 0.651 **) was a significant positive correlation between them. In terms of quality, there was significantpositive correlation between broken (BRY) or unbroken (UBRY) rice yield and the number of grains per panicle(NGP, r = 0.768 **), the number of productive tillers per square meter (TNPM, r = 0.629 **), harvest index (HI,r = 0.729 **, r = 0.503 *, respectively). The data obtained from the investigated properties will help breeders inbreeding superior paddy genotypes in yield and quality.
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