Relationships Between Some Agronomical Traits in Genotypes of Rusty Foxglove (Digitalis ferrruginea subsp. ferruginea)

This research was conducted at experimental site (41°10.668′ Nlatitude, 40°54.018′E longitude), with 65 m elevation in Turkey. In thestudy, 8 different genotypes of Digitalis ferrruginea subsp. ferruginea,selected in the previous years with high performance, were used.These genotypes, grown in 2016-2017, were compared in terms ofplant height, panicle length, number of capsules per panicle, capsulelength, seeds yield per plant and 1000 seeds weight, and a modelingwas developed to estimate seed yield per plant. The mean valuesobtained for the investigated traits were 95.21–130.43 cm for plantheight, 46.29–72.57 cm for panicle length (PL), 9.63–11.14 mm forcapsule length, 99.29–146.57 units for the number of capsules perpanicle, 2.00–5.26 g/plant for seed yield per plant (SYP) and 0.34–0.49g for 1000 seeds weight (TSW). However, in terms of the traitsexamined, each genotype showed a wide variation within itself.Multiple regression analysis was performed for the yield-predictionmodel relation to the seed yield per plant using the values obtainedunder the present conditions. As a result of the regression analysis,an equation of SYP=(-2.54)+ (0.11xPL)-(2.18xTSW) was obtained.

Pas Renkli Yüksükotu (Digitalis ferrruginea subsp. ferruginea) Genotiplerinde Bazı Agronomik Özellikler Arasındaki İlişkiler

Bu araştırma, Türkiye’de 41°10.668′ N kuzey enlemi 40°54.018′E doğu boylamında ve deniz seviyesinden 65 m yüksekliğinde bulunan deneme arazisinde yürütülmüştür. Araştırmada önceki yıllarda seçilen Digitalis ferrruginea subsp. ferruginea’ya ait yüksek performans gösteren 8 farklı genotip kullanılmıştır. 2016-2017 yıllarında yetiştirilen bu genotipler, bitki boyu, salkım uzunluğu, salkımda kapsül sayısı, kapsül uzunluğu, bitki başına tohum verimi ve 1000 tohum ağırlığı bakımından karşılaştırılmış ve tohum verimini tahmin etmek için bir modelleme geliştirilmiştir. İncelenen özelliklere ait elde edilen ortalama değerler, genotipler arasında bitki boyu için 95.21–130.43 cm, salkım uzunluğu (SU) için 46.29–72.57 cm, kapsül uzunluğu için 9.63–11.14 mm, salkımda kapsül sayısı için 99.29– 146.57 adet, tohum verimi için 2.00–5.26 g/bitki (BTV) ve 1000 tohum ağırlığı için (BTA) 0.34–0.49 g arasında değişim göstermiştir. Bununla birlikte, incelenen özellikler bakımından her bir genotip kendi içerisinde geniş bir varyasyon göstermiştir. Mevcut koşullar altında elde edilen değerler kullanılarak, bitkide tohum verimine ilişkin verim-tahmin modeli için çoklu regresyon analizi yapılmıştır. Regresyon analizi sonucunda, BTV=(-2.54)+(0.11xSU)-(2.18xBTA) şeklinde bir eşitlik elde edilmiştir.

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