The objective was to evaluate the allelopathic potential of clover in
different extracts concentrations and obtained in different ways from hairy
beggarticks’s seeds germination and plantlets initial development. It was
evaluated in 3 × 3 × 5 factorial scheme, where, extracts obtained by infusion, maceration, and alcoholic from white clover,
red clover, and arrowleaf clover, in four concentrations (2.5%; 5.0%;
7.5% and 10%) and witness (distilled water), respectively. There were sown 100
seeds in germitest paper roll, in four repetitions, which were
moisten with different extracts and/or distilled water, in accordance with
treatment. The germination test was installed in growth chamber (BOD) with
photo light/dark period of 12/12 h and temperature of 25?C ± 1?C. Germination
evaluation was carried out daily and at the end of the experiment (10 days);
the germination speed index (GSI), root length (RL) and aerial part (APL) were
measured. It was carried out also infrared
spectrum of extracts. It was observed that all extracts present effect on hairy
beggarticks’s seeds, causing reduction in germination, GSI, RL, and PCA. It was
observed the presence of phenolic compounds in all extracts.
Cite this paper
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