Results 11 to 20 of about 5,542 (293)
Efficiency of biological preparations against scab and powdery mildew of apple trees
Рослинництво та ґрунтознавство, 2023 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]
Plant Disease, 2015 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
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 2009 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
International Journal of Horticultural Science, 2016 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
Труды по прикладной ботанике, генетике и селекции, 2018 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
The role of regulatory mechanisms for control of plant diseases and food security — case studies from potato production in Britain [PDF]
, 2010 Being aware of the potentially devastating impacts of plant diseases on food security, governments have designed and employ plant health legislation to prevent or inhibit the worst impacts.
Dehnen-Schmutz, Katharina +3 more
core +1 more source
Czech Journal of Genetics and Plant Breeding, 2011 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
Minimalist AdaBoost for blemish identification in potatoes [PDF]
, 2010 We present a multi-class solution based on minimalist Ad- aBoost for identifying blemishes present in visual images of potatoes. Using training examples we use Real AdaBoost to rst reduce the fea- ture set by selecting ve features for each class, then
D. Unay +9 more
core +1 more source
Acta Agrobotanica, 2013 Field susceptibility of 13 scab-resistant apple cultivars to apple powdery mildew was evaluated in 1983-1986. Four groups of susceptibility were distinguished.
Zbigniew Borecki
doaj +1 more source
Somaclonal selection in potato for resistance to common scab provides concurrent resistance to powdery scab [PDF]
Plant Pathology, 2012 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 ...
R. S. Tegg +3 more
openaire +1 more source