Allelopatyczne oddzialywania obumarlych lisci Poa pratensis L. na poczatkowy wzrost i rozwoj Dactylis glomerata L., Festuca pratensis Huds. i Phleum pratense L.

• Autorzy: Lipinska H , Harkot W.
• Języki publikacji: PL

Abstrakty

EN

Studies were carried out in pots in vegetation room as well as on Petri dishes. The influence of water extracts from fresh and neighbourhood of decomposing leaves of Poa pratensis on germination, root length and seedling heights of Dactylis glomerata, Festuca pratensis and Phleum pratense was estimated. On the other hand, growth and development of above species on a quartz sand mixed with dried leaves of Poa pratensis as well as on the quartz sand without Poa pratensis leaves (control) were evaluated. The Petri dishes experiments revealed significant negative influence both of water extracts from leaves and the neighbourhood of decomposing Poa pratensis leaves on seed germination, root elongation and growth of seedlings of grass species tested. Festuca pratensis appeared to be the least sensitive to interaction of phytotoxins released from Poa pratensis leaves. In pot experiments, substances released from the decomposing leaves of Poa pratensis significantly negatively affected the growth and development of grasses tested only in the first 14-21 days starting from the sowing time (depending on the species). Along with Poa pratensis leaves decomposition process, decrease of toxicity of released substances was observed, and even their stimulate effect on Dactylis glomerata and Festuca pratensis plants growth was evident.

Słowa kluczowe

PL

tymotka lakowa; wiechlina lakowa; kupkowka pospolita; Poa pratensis; Festuca pratensis; kostrzewa lakowa; wzrost roslin; liscie; Dactylis glomerata; allelopatia; trawy; Phleum pratense; lakarstwo

• Wydawca: -
• Czasopismo: Łąkarstwo w Polsce
• Rocznik: 2000
• Tom: 03
• Opis fizyczny: s.95-104,rys.,bibliogr.

Twórcy

autor

Lipinska H

• Akademia Rolnicza, ul.Akademicka 15, 20-950 Lublin

autor

Harkot W.

Bibliografia

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