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Antibiosis Resistance of Plum Cultivars and Genotypes to the Plum Moth Grapholita funebrana | ||
| International Journal of Horticultural Science and Technology | ||
| دوره 12، شماره 4، آذر 2025، صفحه 977-986 اصل مقاله (542.41 K) | ||
| نوع مقاله: Research paper | ||
| شناسه دیجیتال (DOI): 10.22059/ijhst.2024.364038.689 | ||
| نویسندگان | ||
| Masoud Latifian* 1؛ Mohiedin Pirkhezri1؛ Razieh Ghaemi2 | ||
| 1Temperate Fruits Research Center, Horticultural Sciences Research Institute, Agricultural Research, Education and Extension Organ ization, Karaj, Iran | ||
| 2Nematology Research Department, Iranian Research Institute of Plant Protection, Agricultural Research, Education and Extension Organization, Tehran, Iran | ||
| چکیده | ||
| Grapholita funebrana is one of the most dangerous pests for plum cultivation. This research used 26 promising plum cultivars and genotypes to evaluate several antibiosis indicators, i.e., the Antibiosis index (ABI), Larval Population Growth Rate (MRCR), and Population Age Structure Index (PASI). The quantitative and qualitative characteristics of plum germplasms were examined in laboratory conditions. Cluster analysis separated the genotypes according to their susceptibility to the plum fruit moth. Different fruit characteristics defined the antibiosis resistance index, analyzed by correlation. ABI and MRCR had large positive and negative values, respectively. The plum germplasms of Zojelo, Gholaman, Gr-Rezaeyeh, Laroda, Queen roza, Bokhara, Ghalo, Black star, Zard Kordestane, Feriyar, Genotype 19, G99, Black Amber, Ghomi, Mortini, G98, and G-balck had the highest antibiosis resistance to plum moths. Cluster mean values of ABI, MRCR, and PASI were 1.39, 0.28, and 75.43, respectively. The ABI correlated significantly with fruit diameter, TSS, fruit tissue firmness, kernel thickness, harvest time, dry weight to fresh fruit weight ratio, MRCR and fruit length, fruit width, fruit fresh weight, dry fruit weight, fruit diameter, fruit surface area, fruit tissue firmness, and PASI. Therefore, these characteristics were effective in antibiosis reactions in plum germplasms. The results of this research are scientifically valuable as supplementary information for selecting suitable plum cultivars and developing plum cultivation. | ||
| کلیدواژه‌ها | ||
| Age structure؛ Host resistance؛ Lepidopter؛ Population growth | ||
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