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Early detection of soil-surface ozone helps prevent damage to grapevines and apple trees（图）
Early detection soil-surface ozone prevent damage grapevines apple trees
2020/9/15
The resilient polymer tattoos placed on the leaves allow for "frequent and long-term monitoring of cellular ozone damage in economically important crops such as grapes and apples," Andrew says."We sel...
Influence of selected Polish and American rootstocks on the growth and yield of ‘Golden Delicious Reinders’ apple trees
apple cultivation fruiting trees fruit quality
2018/3/6
This study was conducted in the period 2010–2015 to assess the influence of rootstocks on the growth and fruiting of
apple trees of the ‘Golden Delicious Reinders’ cultivar. The experiment was conduc...
Long term cropping and selected parameters of 15 apple tree cultivars
Malus domestica Borkh tree vigour yield efficiency tree performance spurring habit
2018/3/6
Fifteen apple cultivars registered in the Czech Republic were included in this comparative study. The most productive
after eight years of cropping was ‘Rucla’, which had a mean yield of 50.9 t/ha. T...
Comparison of physicochemical traits of red-fleshed,commercial and ancient apple cultivars
Malus domestica organic acids sugars antioxidant capacity total phenolics content anthocyanins
2016/12/8
Cultivation of apples is currently based on a limited number of commercial cultivars; as a consequence, ancient and local varieties have almost completely disappeared. Red-fleshed, ancient and commerc...
Precocity and a long-term cropping in apple progenies grown on M 9 rootstock
Malus × domestica cropping progeny segregation apple breeding
2016/12/8
The fruiting of 23 apple progenies, in total 756 genotypes grafted on M 9 rootstock, was evaluated for 11 years (2005–2015). The most precocious was the progeny obtained by the crossing of genotype HL...
The influence of biofertilization on the growth,yield and fruit quality of cv.Topaz apple trees
NPK humus UP vinassa apple yeast
2016/9/2
Maiden apple trees of cv. Topaz were planted in 2011. In the spring of 2014, chemical fertilization (NPK) and various bioproducts: Fertigo, Micosat, Humus UP, Humus Active + Aktywit PM, Aktywit PM, Bi...
Impact of insecticides treatment on phytoplasma infection risk in apple orchards
‘Candidatus Phytoplasma mali’ monitoring Cacopsylla picta Cacopsylla melanoneura
2016/9/2
During 2013–2015, a monitoring study was carried out on the migration, abundance, and infectivity of Cacopsylla picta and C. melanoneura in apple orchards that were under different types of management...
Effect of two-spotted spider mite population (Tetranychus urticae Koch) on growth parameters and yield of the summer apple cv. Katja
economic injury level action threshold
2015/12/30
The effect of two-spotted spider mite populations (Tetranychus urticae Koch) on the yield and growth parameters of the early-season apple cv. Katja was evaluated during a 3-year study. In the case of ...
Results of public tastings of apple novelties at the end of the storage seasons during the last 10 years
apples cultivars public tasting fruit quality
2015/6/8
From a total number of 62 apple samples included in this study, 42 cultivars or selections were evaluated after storing
in standard conditions, and the remaining 20 in ultra low oxygen (ULO) storing...
Detection and molecular characterization of phytoplasmas infecting apple trees in Poland
identification PCR-RFLP sequencing phylogenetic analysis
2015/3/24
During 2010–2012, samples from 225 apple trees growing in six regions of Poland were tested for phytoplasmas. 16S rRNA gene and 16S-23S spacer region sequences were amplified from total DNAs prepared ...
Early performance of cv. Jonagold apple on M.9 in five tree training systems
training method tree growth yield fruit quality high density
2015/3/17
The effects of five training systems on tree growth, fruit yield and some fruit characteristics were assessed in Jonagold apple cv. grafted on M.9 rootstock. The trees were trained in one of five ways...
Aminoethoxyvinylglycine (AVG) affects cv. Royal Gala apple fruit quality at harvest and after storage – Short communication
ethylene colour firmness starch index weight
2015/3/17
Aminoethoxyvinylglycine (AVG), an inhibitor of ethylene synthesis was applied at a concentration of 125 g/l of active ingredient on Royal Gala apple trees 4 weeks before the anticipated harvest in two...
Flower thinning of apple cultivar Braeburn using ammonium and potassium thiosulfate – Short communication
bearing potential phytotoxicity
2015/3/4
Ammonium and potassium thiosulfate are used commercially or experimentally as flower thinners because they are
considered user, environment and consumer safe. The thinning trials were conducted in 2...
Relative concentration of Apple mosaic virus coat protein in different parts of apple tree
distribution climate orchard
2015/3/3
The optimal conditions for detecting Apple mosaic virus were assessed by determining relative concentrations of viral coat protein in different tissues (leaves, flower petals, dormant buds, and phloem...
Control of Hoplocampa testudinea using the extract from Quassia amara in organic apple growing
apple orchard organic farming Malus domestica
2015/3/3
In 2008 and 2009 the effects of quassin and neoquassin (oxygenated triterpenes) on apple sawfly (Hoplocampa testudinea Klug, 1814) were studied. In the Czech Republic, monitoring was carried out in sm...