Effects of long-term reduced tillage on weed infestation of pea (Pisum sativum L.)

• Autorzy: Wozniak A. , Soroka M.

Warianty tytułu

PL

Wpływ wieloletnich uproszczen w uprawie roli na zachwaszczenie grochu siewnego (Pisum sativum L.)

• Języki publikacji: EN

Abstrakty

EN

The study evaluated weed infestation of pea (Pisum sativum L.) cultivated under conditions of conventional (CT), reduced (RT) and herbicide tillage (HT). It demonstrated the highest weed density per m2 in plots with the herbicide (HT) and reduced (RT) systems and significantly lower weed infestation in plots cultivated in the conventional system (CT). In addition, more weeds occurred at the third leaf stage (13/14 in BBCH scale) than at the pod development stage (73/74 BBCH) of pea. The highest biomass was produced by weeds in the herbicide system (HT), a lower one – in the reduced system (RT), and the lowest one – in the conventional system (CT). The air-dry weight of weeds depended also on pea development stage. At the pod development stage (73/74 BBCH), the air-dry weight of weeds was significantly higher than at the third leaf stage (13/14 BBCH). The tillage system was also observed to influence the species composition of weeds. This trait was also affected by the period of weed infestation assessment. At the third leaf stage of pea (13/14 BBCH), there occurred 26 weed species, including 24 annual ones. The most abundant species included: Chenopodium album L., Stellaria media (L.) Vill., Capsella bursa-pastoris (L.) Med., Matricaria inodora L., Thlaspi arvense L., and Fallopia convolvulus (L.) A. Löve. At the pod development stage (73/74 BBCH), the pea crop was colonized by 24 weed species, including 3 perennial ones. At this stage the predominant species included: Avena fatua L., Amaranthus retroflexus L., Papaver rhoeas L., Echinochloa crus-galli (L.) P.B., Matricaria inodora L., and Galeopsis tetrahit L.

PL

Oceniono zachwaszczenie grochu siewnego (Pisum sativum L.) wysiewanego w warunkach konwencjonalnej (CT), uproszczonej (RT) i herbicydowej (HT) uprawy roli. Wykazano, że największe zagęszczenie chwastów na m2 wystąpiło na obiektach uprawy herbicydowej i uproszczonej, natomiast istotnie mniejsze w uprawie konwencjonalnej. Również większą biomasę wytworzyły chwasty w uprawie herbicydowej, mniejszą w uprawie uproszczonej, zaś najmniejszą w konwencjonalnej. Uprawa roli wpływała również na skład gatunkowy chwastów. Cecha ta zależała także od terminu oceny zachwaszczenia. W fazie trzeciego liścia grochu najliczniejszymi były: Chenopodium album L., Stellaria media (L.) Vill., Capsella bursa-pastoris (L.) Med., Matricaria inodora L., Thlaspi arvense L. i Fallopia convolvulus (L.) A. Löve. W fazie rozwoju strąków ilościowo dominowały: Avena fatua L., Amaranthus retroflexus L., Papaver rhoeas L., Echinochloa crus-galli (L.) P.B., Matricaria inodora L. i Galeopsis tetrahit L..

• Wydawca: -
• Czasopismo: Acta Agrobotanica
• Rocznik: 2014
• Tom: 67
• Numer: 3
• Opis fizyczny: p.119-126,ref.

Twórcy

autor

Wozniak A.

• Department of Herbology and Plant Cultivation Techniques, University of Life Sciences in Lublin, Poland

autor

Soroka M.

• Department of Botany, Ukrainian National Forestry University, 79057 Lviv, Ukraine

Bibliografia

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Identyfikatory

DOI

10.5586/aa.2014.029