Identification of Promising Eggplant Genotypes for Root-knot Nematode (Meloidogyne incognita) Resistance

被引：0
作者：
Arafa, Ramadan A. [1 ]
Prohens, Jaime [2 ]
Emeran, Amero A. [3 ]
Hamden, Salem [3 ]
Taher, Dalia [4 ]
Saleh, Mona M. [5 ]
Rakha, Mohamed [6 ]
机构：
[1] Agr Res Ctr ARC, Plant Pathol Res Inst, Giza 12619, Egypt
[2] Univ Politecn Valencia, Joint Res Unit Valorizat & Breeding Hort Landraces, Inst Conservacio Mejora Agrodiversidad Valenciana, Valencia 46022, Spain
[3] Univ Kafrelsheikh, Fac Agr, Dept Agr Bot, Kafr Al Sheikh 33516, Egypt
[4] Agr Res Ctr, Hort Res Inst, Vegetable Crops Res Dept, Giza, Egypt
[5] Agr Res Ctr, Plant Pathol Res Inst, Giza 12619, Egypt
[6] Univ Kafrelsheikh, Fac Agr, Hort Dept, Kafr Al Sheikh 33516, Egypt
来源：
HORTSCIENCE | 2025年 / 60卷 / 01期
关键词：
prebreeding; rootstocks; Solanum melongena; wild relatives; MOLECULAR MARKERS; SOLANUM-TORVUM; GENE; TOMATO; PEPPER; L; MI;
D O I：
10.21273/HORTSCI18091-24
中图分类号：
S6 [园艺];
学科分类号：
0902 ;
摘要：
Parasitic Meloidogyne incognita root-knot nematodes (RKNs) represent one of the most serious eggplant (Solanum melongena) biotic stress problems. We evaluated 47 eggplant genotypes, including three cultivated eggplant, 13 wild accessions, and 31 eggplant prebreeding materials (S. melongena introgressed with wild relatives), to determine their resistance to M. incognita based on disease severity (%), gall number/plant, and egg mass number/plant. Wide variability in resistance was noticed among the tested genotypes. Solanum sisymbriifolium SIS1 and the eggplant line F2-10, which has introgressions from S. incanum INC1, had the highest resistance to nematode infestation, with the lowest disease severity (1.43% and 8.86%, respectively), gall number, gall index, egg mass index, and number of egg masses. AddiS. sisymbriifolium SIS1 had the highest root, shoot, and total fresh weights. S. anguivi ANG1 had the next highest root and total fresh weights. This study provides novel sources of resistance to nematodes, and these resistant materials could be used in breeding programs to develop RKN-resistant eggplant cultivars or as resistant rootstocks for eggplant and tomato crops.
引用
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页码：35 / 41
页数：7
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