Inhibitory effects of powdered caraway and peppermint extracts on pea root rot under greenhouse conditions

• Autorzy: El-Mougy N S , Alhabeb R.S.

Warianty tytułu

PL

Dzialanie inhibicyjne sproszkowanych ekstraktow kminku i miety pieprzowej na zgnilizne korzeni grochu w warunkach szklarniowych

• Języki publikacji: EN

Abstrakty

EN

The effects of caraway and peppermint extracts was evaluated at concentrations of 2, 4, 6, 8 and 10%, respectively on the radial mycelial growth of Sclerotium rolfsii. High significant inhibitory effect on radial fungal growth was observed with different concentrations of each of plant extracts. Concentration of 6% and more of the two extracts in combination were able to cause complete growth inhibition of the tested fungus. In greenhouse, the efficacy of plant extracts in addition to the fungicide Rizolex-T as seed dressing on pea root rot incidence was evaluated in pot experiment using soil artificially infested with the disease agent. All treatments showed a significant reduction in disease incidence compared with the control treatment. Rizolex-T followed by combination of caraway and peppermint extracts as a mixture showed superior reduction effect on root rot disease incidence at pre-, and post-emergence growth stages than individual treatment with each of extracts. The usage of caraway and peppermint extracts for seed dressing before sowing might be applied as control measure for controlling root rot diseases.

PL

Badano działanie ekstraktów z kminku i mięty pieprzowej użytych odpowiednio w stężeniach 2, 4, 6, 8 i 10% oraz zaprawy nasiennej Rizolex-T na wzrost grzybni Sclerotium rolfsii. Zaobserwowano silny efekt inhibicyjny wymienionych kombinacji doświadczalnych. Stężenie 6% oraz wyższe powodowały całkowitą inhibicję wzrostu grzybni patogena. W warunkach szklarniowych badano dodatkowo w wazonach z ziemią zakażoną grzybem S. rolfsii efektywność zaprawy nasiennej Rizolex-T w zwalczaniu zgnilizny korzeni. We wszystkich kombinacjach wystąpiło istotne ograniczenie zgorzeli przedwschodowej i powschodowej grochu, w porównaniu do kombinacji kontrolnej. Najlepsze wyniki uzyskano stosując do zaprawiania nasion Rizolex-T, a następnie mieszaninę ekstraktów kminku i mięty. Użycie ekstraktów z kminku i mięty do zaprawiania nasion może więc być wykorzystane jako metoda zwalczania zgnilizny korzeni.

Słowa kluczowe

EN

control; greenhouse condition; powdered caraway; plant disease; plant extract; caraway; inhibitory effect; fungi; Sclerotium rolfsii; root rot; plant protection; pea; peppermint

• Wydawca: -
• Czasopismo: Journal of Plant Protection Research
• Rocznik: 2009
• Tom: 49
• Numer: 1
• Opis fizyczny: p.93-96,ref.

Twórcy

autor

El-Mougy N S

• National Research Centre, El-Behoos St., 12622, Giza, Egypt

autor

Alhabeb R.S.

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