versión On-line ISSN 0718-3429
BENSCH T, Emma et al. THE DIFFERENTIAL ALLELOPATHIC POTENTIAL OF CHILEAN WHEAT CULTIVARS (TRITICUM AESTIVUM L.) ON ANNUAL RYEGRASS (LOLIUM RIGIDUM) VAR. WIMMERA. Idesia [online]. 2007, vol.25, n.2, pp. 81-89. ISSN 0718-3429. doi: 10.4067/S0718-34292007000200011.
The objectives of this investigation were: to validate the ECAM method and to validate the allelopatic potential of 50 wheat cultivars on Lolium rigidum var. Wimmera. The experimental design was completely at random or in blocks with four repetitions. The longest main root of the receptive species (lolium grass) was evaluated ten days after the establishment of the last one. The transformed data into percentage of inhibition of root length of the receptive species in relation to the control was analized using ANDEVA, cluster analysis, Duncan or Tukey (P=0.05). The modified ECAM method was efficient to evaluate the allelopathic potential of fifty wheat cultivars. In most cases root development of Lolium rigidum var. Wimmera was inhibited, the range of inhibition varied for lolium grass beteween 20 to 80%. The most allelopathic cultivars were Tukan, Oracle and Castaño and with less potential Baroudeur, Paillaco and Domo.
Palabras clave : Triticum aestivum; Lolium rigidum; cultivars; root length; ECAM; allelopathy.