Results 11 to 20 of about 1,055 (251)
Evaluation of Scab and Mildew Resistance in the Gene Bank Collection of Apples in Dresden-Pillnitz
A set of 680 apple cultivars from the Fruit Gene bank in Dresden Pillnitz was evaluated for the incidence of powdery mildew and scab in two consecutive years. The incidence of both scab and powdery mildew increased significantly in the second year. Sixty
Monika Höfer +3 more
doaj +1 more source
Efficiency of biological preparations against scab and powdery mildew of apple trees
Scab (caused by Venturia inaequalis Cooke (Wint.)) and powdery mildew (Podospaera leucotricha (Ellis & Everh. Salmon)) are harmful diseases of the apple tree, the protection against which is based on repeated spraying with chemical fungicides.
S. Hradchenko, M. Pikovskyi
doaj +1 more source
Effect of Powdery Scab Root Galls on Yield of Potato [PDF]
Powdery scab of potato, caused by Spongospora subterranea f. sp. subterranea, has increased in incidence since 1981 to become a major concern for potato production in the Columbia Basin of south-central Washington and north-central Oregon. Disease symptoms consist of pustules on the tuber surface and wart-like galls on roots, stolons, and tubers.
Dennis A, Johnson, Thomas F, Cummings
openaire +2 more sources
Phenotypic selection in apple seedling populations (F1), derived from semidiallel hybridizations between genitors with different peculiarities (Florina and Liberty, resistant to apple scab attack; Starkrimson and Golden spur, with spur ideotype) was ...
Radu E. SESTRAS +7 more
doaj +1 more source
The aim of our study was to evaulate the effectiveness of four DMI and strobilurion fungicide combinations in a season-long disease management programme against apple scab and powdery mildew in two integrated apple orchards on cultivar Jonagold. The four
I. J. Holb +3 more
doaj +1 more source
COMPOSITION AND UTILIZATION OF THE APPLE- TREE COLLECTION IN BELARUS
The national collection of apple-tree varieties consisting of 1,273 accessions was used to develop genetically diverse source material developed involving progenies of wild small-fruit apple species (Sorbomalus, Baccatae and Prunifolia) - sources and ...
Z. A. Kazlouskaya
doaj +1 more source
Somaclonal selection in potato for resistance to common scab provides concurrent resistance to powdery scab [PDF]
Variant somaclones of potato cultivar R usset B urbank, selected for resistance to common scab using in vitro cell selection techniques, were tested for resistance to powdery scab, another important disease of ...
Tegg, R. S. +3 more
openaire +3 more sources
The presence of genes for resistance to scab (Venturia inaequalis) and powdery mildew (Podosphaera leucotricha) was studied using molecular markers in a sample of 279 apple cultivars from the Czech collection of apple genetic resources.
Josef Patzak +2 more
doaj +1 more source
Powdery Scab of Potato—Occurrence, Life Cycle and Epidemiology [PDF]
Powdery scab of potato, caused by the zoosporic pathogen Spongospora subterranea f.sp. subterranea (Sss), is an often underestimated disease, which has lead to lack of appropriate control strategies. A new wave of increasing importance of this disease has occurred in the last 30 years in many countries, among them France, Pakistan, Japan, Australia ...
openaire +2 more sources

