Abstract

In this study, possibilities of environmentally-benign plant protection against blossom and twig blight were summarized for organic stone fruit orchards. Symtomps of Monilinia laxa (Aderh. & Ruhl.) Honey) were described and then cultivar susceptibility to blossom and twig blight was discussed. Several sustainable plant protection methods were selected and discussed in details such as mechanical, agrotechnical, biological, and other non-chemical control possibilities (stone powders, plant extracts and restricted chemical materials).

Highlights

  • Szabó (1997) classified several apricot cultivars into brown rot susceptibility groups

  • ‘Budapest’ and ‘Mandulakajszi’ as highly, ‘Ceglédi óriás’, ‘Liget óriás’ and ‘Polonais’ as moderately and ‘Borsi-féle kései rózsa’, ‘Piroska’, ‘Pannónia’, ‘Ceglédi bíborkajszi’, ‘Magyar kajszi’ and ‘Rakovszky’ as lowly susceptible to blossom and twig blights caused by M. laxa

  • One of the most important control elements against European brown rot is the removal of primary inoculum sources

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Summary

Susceptibility of fruit species and cultivars to brown rot

More details by Soltész (1997), only some examples are about the environmentally-benign control of M. fructicola can mentioned here (Table 1). In the case of sour cherry, blossom and twig blights are European brown rot is one of the most dangerous diseases the most important symptoms of brown rot decay (Paszernák of stone fruits (primarily of sour cherry, sweet cherry and et al, 1982). There are some sour cherry cultivars which have apricot) causing the death of shoots and younger branches. At a low susceptibility or disease tolerance, such as ‘Nagy blooming and fruit set, the shoots begin to wilt and they Angol’, ‘Mocanesti’, ‘Oblacsinszkaja’, ‘Cigánymeggy 3’, suddenly become dry. A strong infection might cause the death of woody shoots and

Plant organ Cultivar
Mechanical and agrotechnical control
Biological control
Findings
Approved chemical materials
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