Female Fertility in Pinus sylvestris L var. compacta (TOSUN) Clonal Seed Orchard

Abstract

Aim of study: The intention of current study is to compile information on female fertility variation and estimate some parameters related to fertility in the seed orchard for 2015. Area of study: The seed orchard was established in April 2004 in Eflani of Karabuk, Turkey. Material and Methods: The seed orchard included 823 ramets of 26 clones at 5m x 5m. Five ramets per clone were chosen randomly and female strobili in 130 ramets were counted in June 2015. All of the female strobili over the entire crown were counted on all chosen ramets. Female fertility variation, status number and relative status number were estimated. Main results: Average numbers of female strobili per clone were ranged from 4.2 to 75.0. The most fertile clone was #351, the less fertile one was #354. The top 30% of clones produced 50.6% of total female strobili. Most of female strobili were appeared single but the rest of them were formed clusters. Number of strobilus of clusters was ranged from 2 to15. In analyses of variance, differences in clonal female strobilus production were not statistically significant (P=0.07). Female fertility variation

The Determination of Harmful Hymenoptera and Lepidoptera Species in Forest Nurseries in the Western Black Sea Region of Türkiye

“…Dioryctria Zeller (Lepidoptera: Pyralidae) species cause a significant damage to cones and seeds (Aslan, 2018;Bracalini et al, 2013;Leal-Sáenz et al, 2021). Damage caused to tree cones by Dioryctria spp.…”

“…Aytar (2001) reported that the size of damaged area by Dioryctria splendidella Herrich-Shaeffer reached 390.0 ha in 1997, 1707.0 ha in 2000, and 1704.0 ha in 2001 in P. brutia forests of Adana and Mersin Forest Regional Directorate. In addition, Aslan (2018) reported that the larvae of D. simplicella caused damage to P. sylvestris in Kastamonu in Turkey. In northern Arizona, Dioryctria auranticella Grote destroyed 38-81% of Pinus ponderosa Doug.…”

“…The cynipids reared on galls at room temperature (20-25°C) in jars covered by tulle. The specimens were observed using an Olympus SZ51 microscope and identified by using related literatures (Aslan, 2018;Azmaz, 2015;Çetin et al, 2014;Dar et al, 2019;EPPO, 2005;İlçin, 2022;İpekdal & Avcı, 2023;Karaca & Katılmış, 2020;Katılmış, 2010;Kondur & Şimşek, 2018;Morimoto & Pietras, 2020;Sarıkaya et al, 2019;Sourakov & Paris, 2011;Şimşek & Kondur, 2016;Tuncer et al, 2020). Adult gall wasps were examined with a FEI Quanta FEG 250 scanning electron microscope (SEM) set at 20 kV.…”

“…A few studies have been conducted about the damage of insect species in nurseries around the Türkiye (Kahraman, 1993;Uslu, 1995;Çüşen, 2007;Aslan, 2018). The Lepidoptera and Hymenoptera fauna of forest nurseries in the Western Black Sea Region have been studied poorly.…”