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Možnosti biologické ochrany v ovocných sadech
Hlaváčová, Kateřina
The literary part of work deal with possibility of biological control in fruit orchards of stone fruit. Enviroment-friendly systems of growing fruit are stated in the work. This is an integrated and ecological production of fruit. In this part preventive, chemical and biological measures in control of plants including methods of monitoring of pests. The work pays attention to describtion of the most economically important pests of stone fruit and possibility of biological control against these pests. The advantages and disadvatages of biological preparations in control of stone fruit were evaluated in the work.
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Methods of selection stone fruit rootstock with verified of field resistance level to bacteria Pseudomonas syringae
Korba, Josef ; Šillerová, Jana
Bacteria Pseudomonas syringae are response for number economical important diseases in worldwide. These bacteria can infect a wide variety of vegetables, fruits and ornamental plants. Damage of diseases caused Pseudomonas syringae on stone fruit are to 50% of fruit production. Till this time level of stone fruit rootstock resistance is not known for rootstock using in Czech Republic. The level of resistance is determined after artificial inoculation of testing rootstock by chosen methods. The aim of the methodology is selection stone fruit rootstock with verified of field resistance level to bacteria Pseudomonas syringae (Pseudomonas syringe pv. syringe, Pseudomonas syringe pv. morsprunorum) and recommendation of resistance rootstock for breeding programs, for growers and for nursery practice. The methodology is done according the aims of COST Action 873 “Bacterial diseases of stone fruits and nuts”.
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