Seventh Issue

Variety Development and Variety Tes ting, Variety Regis tration (Release) and Protection (PVP) Sys tems in The Eco Countries	1 – 12
Suleyman Karahan
In Vitro Tissue Culture S tudies in Sunflower (Helianthus SPP.)	13 – 21
Nazan Dagustu
Determination of High Oleic Type and Broomrape Resis tant Sunflower Hybrids By DNA Markers	22 – 30
Behiye Banu Bilgen, Sheida Daneshvar, Goksel Evci, Veli Pekcan, Mehmet Ibrahim Yilmaz, Yalcin Kaya
The Determination of Silage Yield and Quality Traits of Candidate Maize Hybrids	31 – 40
Erkan Ozata, Saime Unver İki̇ nci̇ karakaya, Ahmet Ozturk
A S tudy on Usability of National Regis tered Durum Wheat Cultivars for Synthetic Bread Wheat Production	41 – 54
Mustafa Yildirim, Zoltan Bedo, Marta Molnár-Láng
Development of Turkish Potato Varieties Tolerance to Potato Virus Y and Potato Virus X	55 – 59
Ercan Ozkaynak, Zubeyir Devran, Erdem Kahvecii
Organic Tea Production and Tea Breeding in Turkey: Challenges and Possibilities	60 – 69
Fatih Seyis, Emine Yurteri, Aysel Ozcan, Yusuf Savsatli
Improving Grain Quality in Pulses: S trategies to Reduce Raffinose Family Oligosaccharides in Seeds	70 – 88
Udhaya Kannan, Roopam Sharma, Manu P. Gangola, Ravindra N. Chibbar