Occurrence and inheritance of resistance to powdery mildew (Oidium lycopersici) in Lycopersicon species

被引：37

作者：

Ciccarese, F ^{[1
]}

Amenduni, M ^{[1
]}

Schiavone, D ^{[1
]}

Cirulli, M ^{[1
]}

机构：

[1] Univ Bari, Dept Plant Pathol, I-70126 Bari, Italy

来源：

PLANT PATHOLOGY | 1998年 / 47卷 / 04期

关键词：

D O I：

10.1046/j.1365-3059.1998.00254.x

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Among 146 accessions of Lycopersicon pimpinellifolium, 132 of L. esculentum var. cerasiforme and 53 of L. peruvianum screened for resistance to powdery mildew, caused by Oidium lycopersici, a wide variation in reactions was found. Two plants of L. esculentum var, cerasiforme accession LA-1230 were resistant. One resistant symptomless plant of accession LA-1230, designated LC-95, produced homozygous resistant progenies. LC-95 was crossed with cv. Marmande (susceptible parent) and F-1, F-2 and backcrosses to the resistant and the susceptible parents were derived. These genotypes were grown in glasshouses at 23 degrees C and 95-100% RH and inoculated with O. lycopersici. The F1 plants were susceptible. F-2 and backcross segregations fitted the hypothesis of a single recessive gene which is here designated ol-2.

引用

页码：417 / 419

页数：3

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