National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Cultivation of stone fruits in the conditions of occurrence of the causal agents of cork necrosis and premature death of apricots and peaches in production orchards
Pánková, Iveta ; Krejzar, Václav ; Krejzarová, Radka
The methodology monitors the vegetation season in the orchards of stone fruits with regard to the possible influence of performed agrotechnical measurements on the occurrence of the pests, especially bacterial causal agents from the complex Pseudomonas syringae (Ps), Ps. pv. syringae and Ps. pv. morsprunorum races 1. and 3. Regulation of bacterial pathogens is becoming increasingly difficult due to the current possibilities of fruit tree protection, the range of cultivated genotypes and the complex life cycle of pathogens. Manifestations of the disease vary in individual growing seasons depending on the weather. However, the effects and severity of the disease are cumulative. Caring for the health of the tree begins with the production of nursery sprouts and must continue throughout the life of the tree. The methodology describes the individual standard agrotechnical measurements in production orchards in the context of the pathogen life cycle. Based on the results of the project, possible labor and economically acceptable modifications of agricultural practices including timing are proposed in order to reduce the inoculum of cork necrosis agents and reduce economic losses due to premature death of apricot trees.
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Determination of causal agent of ring rot of potato, Clavibacter michiganensis subsp. sepedonicus bacteria in breeding and multiplicated materials
Pánková, Iveta ; Krejzar, Václav
The methodology includes a method of artificial infection of plants and potato tubers as a prerequisite for the study of migration and localization of the pathogen in tubers and within the plant vascular tissues, time schedule and recommended size of samples of individual parts of plants and potato tubers during the growing season, depending on external conditions and potato genotype, how to deal with samples of the plants and potato tubers prior to treatment, method of processing samples of individual plant parts and tuber depending on the detection method and the optimization of methods for detection of the pathogen Clavibacter michiganensis subsp. sepedonicus. In compliance with the proposed methodological procedure should be interrupted vertical transmission of the pathogen in the process of breeding, the possibility of detection of the pathogen in breeding and propagation material and reduction of suspicious samples should be increased and the late positive determination of ring rot in the official phytosanitary and company checks abroad should be reduced.
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Methodology for assessing potato varieties for resistence to soft rot bacteria using slice test
Krejzar, Václav ; Pánková, Iveta
The methodology is to assessment the level of resistance of potato genotypes to soft rot bacteria of Dickeya, Pectobacterium and Pseudomonas genera using slice test.
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2 Pánková, Iva
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