Turkish Journal of Field Crops

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90 232 311 26 79

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2. Beyler İş Hanı, No: 313 Kat: 3 Konak-İzmir

THE FLORAL AND SCENT CHARACTERISTICS OF LAVANDIN FROM THE MICROPROPAGATION AND CUTTING PROPAGATION

Nimet KARA, Hasan BAYDAR

Abstract

The purpose of the study was to compare the floral and scent characteristics of lavandin ((Lavandula x intermedia Emeric ex Loisel.)) from micro propagation and cutting propagation under field condition in Isparta province of Turkey. The experiment was arranged according to a Randomized Complete-Block Design with three replications. In comparison with the propagation methods, the yield and floral characteristics of the micro propagation were higher than the cutting propagation. The fresh stem flower yield, the dried flower yield, and the examined characteristics of the lavandin were higher in the subsequent years compared to the previous years. While the highest plant height (90.10 cm), the spike length (10.16 cm), the leaf length (56.16 mm), the spike number per plant (479.0 spike plant-1 ), the cluster number per spike (10.70 cluster spike-1 ), the fresh stem flower yield (7791.0 kg ha-1 ), and the dried flower yield (2054.6 kg ha-1 ) were obtained from the micro propagation method in the year 2017, the lowest values of these characteristics were determined from the cutting propagation in 2014. The essential oil contents of the lavandin were not significantly different in both propagation methods. The essential oil contents of fresh stem flower and the dried flower of lavandin were decreased in the subsequent years, and the highest essential oil content (1.27 and 7.36%, respectively) was determined from 2014, and the lowest essential oil content (1.21 and 6.92%, respectively) from 2017. The linalool, linalyl acetate, camphor, α-terpineol, and borneol L were close to each other in both propagation methods, while the eucalyptol content of the micro propagation was higher than the cutting propagation.

Keyword: Essential oil, lavandin, micropropagation, yield ,

Effects of Different Water Stress Levels on Biomass Yield and Agronomic Traits of Switchgrass (Panicum virgatum L.) Varieties under Semi-Arid Conditio

Erdal GONULAL, Suleyman SOYLU, Mehmet SAHIN

Abstract

A field experiment was conducted in the Wielkopolska region at the Gorzyń Research Station, Poland (52.34°N, 15.54°E) in Central Europe. The study was conducted over a 3-year period (2017, 2018, 2019) as a two-factorial design with four replications in the RCBD. The aim of the research was to determine the effect of the cultivar (‘Bolero’, ‘Tytan’) and the inoculation (Nitragina–seeds inoculation, Nitroflora I–seeds inoculation, Nitroflora II–soil inoculation, HiStick® Lupin–seeds inoculation) on plant development, seeds chemical composition and yielding of narrow-leaved lupin. The weather conditions and experimental factors significantly influenced on productivity of narrow-leaved lupin ‘Tytan’. Drought during the growing season reduced seeds and protein yields. After inoculation of HiStck the seeds yield was significantly greater by 12.4% (p < 0.01) and the protein yield after application of Nitroflora I or HiStick by 13.9% (p < 0.01) and 19.2% (p < 0.01), respectively. Correlation coefficients showed strong relations between number of pods and seeds per plant in both cultivars regardless of the inoculation variant, however the strongest relations in both cultivar were proved on HiStick treatment.
Keyword: Biological nitrogen fixation, chemical composition, legumes, protein efficiency, yielding