Investigating the Distribution of Pistachio Endocarp Lesion Disorder in Parts of Pistachio Orchards in Kerman Province

Document Type : Research

Authors

1 1. Assistant Professor of Soil Science, Pistachio Research Center, Horticultural Sciences Research Institute, Agriculture Research Education and Extension Organization (AREEO), Rafsanjan, Iran

2 Associate Professor of Soil Science, Department of Soil Science, College of Agriculture,Vali-e-Asr University of Rafsanjan, Iran.

3 3. Associate Professor of Plant Protection, Department Plant Protection, College of Agriculture,Vali-e-Asr University of Rafsanjan, Iran.

4 4. Professor of Soil Science, Department of Soil Science, Vali-e-Asr University of Rafsanjan, Iran.

10.22092/rhsj.2025.365378.1092

Abstract

Pistachio endocarp lesion is one of the most common disorder that has spread throughout recent years in pistachio areas of Iran, especially in Kerman province, and caused damage in these areas. In this study, the extent of this complication has been investigated in parts of pistachio lands of Kerman province. For this purpose, 90 gardens were selected on the pistachio lands of the suburbs of Rafsanjan, Koshkouyeh, Nough, and Anar areas. In each garden, a tree with disorder symptom was selected randomly and for each tree, the distribution level of the complication was determined at 4 levels. The percentage of occurrence of the complication was determined in the studied areas and the susceptible species was determined. The results showed that PEL incidence increased in the regions of Anar, Rafsanjan, Koshkouyeh and Nough, but the mean of occurrence of PEL in all studied areas was estimated about 25.8 It seems that several factors such as soil texture, soil and water salinity and the imbalance of nutrients in the soil have increased this complication in recent years in these areas. Among the cultivars that showed this complication, Kale Ghochi cultivar showed the highest damage and Akbari cultivar showed the least damage at all levels of the complication damage.

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Research in Horticultural Sciences
Volume 3, Issue 2
February 2025
Pages 43-50

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