Potential of oyster mushrooms for the biocontrol of sugar beet nematode [Heterodera schachtii]

• Autorzy: Palizi P , Goltapeh E.M. , Pourjam E. , Safaie N.

Warianty tytułu

PL

Potencjal grzybow ostrygowych i Hypsizygus ulmarius do biologicznego zwalczania matwika burakowego [Heterodera schachtii]

• Języki publikacji: EN

Abstrakty

EN

The potential of oyster mushrooms to attack and kill sugar beet cyst nematode (Heterodera schachtii) was studied. The ability of Pleurotus ostreatus, P. sajor-caju, P. florida, P. flabellatus, P. ostreatus (sporeless), P. eryngii and Hypsizygus ulmarius to prey on the cyst nematode was confirmed. Nematodes were inoculated on water agar plates on which a single sparse fungal colony of one of the above mentioned fungi was grown. Nematodes were quickly immobilized after inoculation the plates with each Pleurotus species, with mortality of about 96%, 72%, 55%, 52%, 20%, 23% and 62%, respectively. Nematicidal activities of culture filtrates of Pleurotus species and H. ulmarius against H. schachtii were also studied in vitro. Extracts of P. ostreatus could paralyse 90% of nematodes whereas P. eryngii could paralyse only 50% of nematodes. The efficacy of old mushroom compost from cultures of P. ostreatus and P. sajor-caju in controlling cysts on sugar beet (Beta vulgaris ICI) were studied under greenhouse conditions. The results showed that 100 and 200 grams of mushroom compost per 3 kilogram/pot could significantly control cysts, reducing more than 85% cysts in soil. Presence of cysts on the roots and larvae inside roots were compared with the control treatment.

PL

Badano potencjał grzybów ostrygowych do atakowania i zabijania mątwika burakowego (Heterodera schachtii). Potwierdzono zdolność pasożytowania Pleurotus ostreatus, P. sajor-caju, P. florida, P. flabellatus, P. ostreatus (niezarodnikujący), P. eryngii i Hypsizygus ulmarius na mątwiku burakowym. Płytki z agarem wodnym, na którym rosły rzadkie kolonie tych grzybów zaszczepiono mątwikiem burakowym. Po inokulacji nicienie były szybko unieruchomione na płytkach z każdym gatunkiem Pleurotus, a śmiertelność nicieni wynosiła odpowiednio 96%, 72%, 55%, 52%, 20%, 23% and 62%. Badano także aktywność nicieniobójczą in vitro filtratów kultur gatunków Pleurotus i H. ulmarius przeciwko mątwikowi burakowemu. Wyciągi z P. ostreatus sparaliżowały 90% nicieni, podczas gdy P. erynii sparaliżował tylko 50% nicieni. Efektywność starego kompostu z kultur P. ostreatus i P. sasor-caju w zwalczaniu cyst mątwika buraka (Beta vulgaris ICI) badano w warunkach szklarniowych. Wyniki wykazały, że 100 i 200 gramów kompostu z grzybów na 3-kilogramowy wazon mogły istotnie zwalczyć cysty, zmniejszając ich ilość w ziemi o ponad 85%. Ilość cyst i larw w korzeniach porównano z kombinacja kontrolną.

Słowa kluczowe

EN

fungal preparation; nematode; mushroom compost; sugar-beet; Pleurotus; Heterodera schachtii; Hypsizygus ulmarius; biological control; plant protection; oyster mushroom

• Wydawca: -
• Czasopismo: Journal of Plant Protection Research
• Rocznik: 2009
• Tom: 49
• Numer: 1
• Opis fizyczny: p.27-33,fig.,ref.

Twórcy

autor

Palizi P

• Tarbiat Modares University, P.O.Box 14115-336, Tehran, Iran

autor

Goltapeh E.M.

autor

Pourjam E.

autor

Safaie N.

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