Volume & Issue: Volume 6, Issue 20, June 2014 
Study of some abnormalities of ovule development to seed in Pistacia vera L.

Pages 29-46

Najmeh Hosseini; Farkhondeh Rezanejad; Ghasem Mohammadinejad

Effect of exogenous nitric oxide on germination and some of biochemical characteristics of purple coneflower (Echinacea purpurea L.) in saline condition

Pages 55-74

Samaneh Asadi-Sanam; Mohsen Zavareh; Hemmatollah Pirdashti; Mohammad Hossein Mirjalili; Abuzar Hashempour

Introduction of the flora, life form and chorology of Helen protected area in Chaharmahal and Bakhtiari province

Pages 75-96

Hamzeh Ali Shirmardi; Valiollah Mozaffarian; Parviz Gholami; Ghodratollah Heidari; Mojdeh Safaei

Study of drought tolerance in selective clones of tea (Camellia sinensis L.)

Pages 155-170

Zahra Masoudian; Akbar Norastehnia; Kourosh Falakroo

The effects of salicylic acid in reducing potato virus Y damage in two potato (Solanum tuberosum L.) cultivars, Agria and Marfona

Pages 171-183

Mohammad Reza Hadi; Gholamreza Balali Dehkordi; Mohammad Reza Moosavi; Fatemeh Hosseini