Comparison of Some Raspberry Cultivars' Herbal Features by Repeated Random Complete Design Statistic Technique.

The aim of this study was comparatively to examine herbal traits of the cultivars such as Rubin, Summit, Holland Dwarf, Heritage, Tulameen, Aksu Red, Nuburg, Canby and Willamette red raspberries cultivated at Ankara Condition, in the capital of Turkey between 2002 and 2005. According to Repeated Random Complete Design (RRCD) (which was composed of four random plot design experiments) used in the experiment, the effects of cultivar, year and cultivar by year interaction on herbal traits such as the height of shoot, diameter of shoot, number of shoot, fruitfulness of shoot and weight of fruit were further more significant (p < 0.0001). Besides, determination coefficients of RRCD for traits ranged from 95.60 to 99.94% (very-high). As a result, we concluded in Ankara condition that as to herbal traits such as the height of shoot, diameter of shoot, number of shoot, fruitfulness of shoot and weight of fruit, Willamette cultivar were more superior to others. In addition, we can suggest that researchers should analyze using RRCD because Determination Coefficients of RRCD for all traits were much more found

Utilization of Power Analysis in Horticulture

The aim of this study was to determine associations and the values of power analysis as their reliability degrees between Year or Cultivars and traits such as fruit weight (FW), total acid (TA) and, the soluble substance that can be dissolved in water (SSDW) from various ten raspberry cultivars in an adaptation study regarding horticulture field by using Chi-Square and Likelihood Ratio Chi-Square statistics after FW, TA and SSDW were categorized as binary (low and high). Association between FW and CULTIVAR, association between SSDW and YEAR, association between SSDW and CULTIVAR, association between TA and CULTIVAR were much more significant (P<0.001). Besides, corresponding power values for Chi-Square and Likelihood Ratio Chi-Square statistics were very close on each other and had a reliability of approximately 100% and enough sample size. Contrary to these four contingency tables, associations between both FW-YEAR and TA-YEAR were non-significant and non-reliable because corresponding power values for Chi-Square and Likelihood Ratio Chi-Square statistic were 50-51% (a power of moderate-level) and 22-23% (power of low level), respectively and sufficient sample sizes for both FW-YEAR and TA-YEAR should be 240 and 560, respectively in order to provide a power of 80%. As a result, in order to be obtained reliable results and determined enough sample size in Chi-Square and Likelihood Ratio Chi-Square Statistics, power analysis should be performed

The effects of fruiting cane direction on grape yield and quality of kalecik karası grape cultivar (Vitis vinifera L.)

Bu araştırma, Ankara Üniversitesi Ziraat Fakültesi Bahçe Bitkileri Bölümü Araştırma ve Uygulama Bağında yürütülmüştür. Çift kollu guyot terbiye sistemi uygulanarak yetiştirilmiş olan Kalecik karası üzüm çeşidinin bir yaşlı dallarında kış budamasından sonra bırakılan 10 gözlü ürün dallarının teller üzerine 5 farklı [“Yatay şekil” (←→), “Dikey şekil”(↑↑), “45o’lik Açılı şekil”, “Yay şekil”(∩), “Serbest şekil” (γ)] bağlama şeklinin, ürün verim ve kalite parametreleri üzerine etkileri araştırılmıştır. Araştırmanın sonucunda, yapılan uygulamaların verim parametrelerinden omca verimi (kg), salkım ağırlığı (kg), salkım sayısı/sürgün (n), sürme oranı (%) üzerine etkileri ile kalite parametrelerinden 100 tane ağırlığı (g), % suda çözülebilir kuru madde (% SÇKM), titrasyon asitliği (g/l) ve şıra pH’sı üzerine etkileri değerlendirilmiştir. Araştırmada bağlama şekilleri arasında “45o’lik Açılı şekil” ve “Yay şekil”(∩) uygulamalarının, verim ve kalite parametreleri bakımından pratiğe aktarılabilir olumlu sonuçlar verdiği saptanmıştır.This study was performed in the Research and Training Vineyard of Ankara University, Faculty of Agriculture, Department of Horticulture. In this experiment the effects of five different tying methods [“horizontal form” (←→, 0o ), “vertical form”(↑↑, 90o ), “angled form (45o )”, “arc form”(∩), “loose form” (γ)] of fruiting canes on yield and quality parameters were evaluated on retained ten buds of double Guyot trained Kalecik karası grape cultivars after winter pruning. As a results of the study, the effect on yield parameters such as yield (kg), cluster weight (kg), number of cluster/shoot (n), bud burst ratio (%) and quality parameters such as 100 berries weight (g), total soluble solids (%), titratable acidity (g/l), grape juice pH were determined. The results suggested that angled form and arc form tying methods have positive influence on yield and qualtiy parameters and can be used in practice

DETERMINATION OF PHENOLOGICAL AND PLANT CHARACTERISTICS OF LOCAL GRAPE CULTIVARS GROWING IN IĞDIR CONDITIONS

Bu çalışma 2014–2015 yıllarında Iğdır yöresinde yetiştiriciliği yapılan Kırmızıkişmişi, Haçabaş,Yezandayi, Kuzukuyruğu, Miskali, Askeri, Erkekmiskali, İnekemceği üzüm çeşitlerinin fenolojikdönemlerini ve bitkisel özelliklerini gözlemlemek amacıyla yapılmıştır. Araştırma sonucunda üzümçeşitlerinde gözlenen farklı fenolojik safhalar çeşit ve yıllara göre az da olsa farklılık göstermiştir.Çeşitlerde uyanma: 31 Mart–21 Nisan; tam çiçeklenme: 25 Mayıs–8 Haziran; tane tutumu: 28 Mayıs–12Haziran; ben düşme: 27 Haziran–16 Temmuz ve olgunluk: 11 Temmuz–5 Ağustos tarihleri arasındatamamlanmıştır. En erken olgunlaşan çeşit Yezandayi, en geç olgunlaşan çeşitler İnekemceği veErkekmiskali olmuştur. Bitkisel özelliklerden; salkım ağırlığı, tane ağırlığı, omca başına düşen ortalamaverim, tane tutumu, suda çözünebilen kuru madde miktarı (SÇKM) ve şıradaki asit miktarı incelenmiştir.The objective of this study was to determine phenological periods and plant characteristics ofKırmızıkişmişi, Haçabaş, Yezandayi, Kuzukuyruğu, Miskali, Askeri, Erkekmiskali, İnekemceği grapecultivars grown in Iğdır district conditions during 2014–2015 years. It was recorded that phenologicalperiods varied according to cultivar and year. The period ranges of the phenological characteristics were asfollow bud break: 31 March–21 April; full bloom: 25 May–8 June; berry set: 28 May–12 June; veraison:27 June–16 July and ripening: 11 July–5 August. The earliest ripening cultivar was Yezandayi, the latestripening cultivars were İnekemceği and Erkekmiskali. Cluster weight, berry weight, yield per vine, berryset, total soluble solids and must acidity plant characteristics were investigated

Adaptation of eight American blackberry (Rubus fructicosus L.) cultivars for Central Anatolia

Blackberry is an important fruit plant cultivated for its delicious fruit throughout Europe and America. Although the fruit has wide acceptance in Turkey, it is not cultivated on large scale. The study aimed to evaluate the performance of Arapaho, Black Satin, Cherokee, Chester Thornless, Dirksen Thornless, Jumbo, Navaho and Loch Ness cultivars of American origin for adaptation under Central Anatolian conditions at Ankara during 2002 - 06. The results showed that changes in the environmental conditions affected yield, performance of number of canes, cane length, cane diameter, yield per plant, fruit weight and total acid content (g/l) significantly. Overall comparison of the results showed that cv. Chester Thornless is most suitable for the environmental conditions of Central Anatolia

Determination of the best blackberry cultivar using various statistical techniques

This study was conducted to determine the best blackberry cultivar using jointly various statistical techniques such as Chi-Square, G, and Correspondence statistics. For this aim, data of pomological traits such as fruit weight, cane number, cane diameter, cane height, cane yield per plant of Ness, Cherokee, Arapaho, Chester Thornless, Navaho, Black Satin, Dirksen Thornless and Jumbo cultivars were collected during 2002-2006. With respect to chi-square and G statistics, associations between cultivar and each pomological trait (fruit weight, cane number, cane diameter, cane height, and cane yield per plant) were found more significant (P < 0.0001). The relationship between year and cane number was significant (P < 0.0001 and year and cane diameter was significant (P < 0.05). The highest cane number was produced in 2004, followed by 2005. The relationship between fruit weight and cane diameter or cane yield per plant were more significant (P < 0.0001). Although Blacksatin and Jumbo blackberry cultivars had the highest cane number, Chester Thornless from blackberry cultivars had the highest cane diameter, the highest cane yield per plant and the highest fruit weight. It was concluded that Chester Thornless cultivar was the most appropriate cultivar for Central Anatolia region