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Titolo:
COMPARATIVE GROWTH OF WHEAT, BARLEY, AND ANNUAL RYEGRASS (LOLIUM-RIGIDUM) IN MONOCULTURE AND MIXTURE
Autore:
COUSENS RD;
Indirizzi:
LA TROBE UNIV,SCH AGR BUNDOORA VIC 3083 AUSTRALIA
Titolo Testata:
Australian Journal of Agricultural Research
fascicolo: 3, volume: 47, anno: 1996,
pagine: 449 - 464
SICI:
0004-9409(1996)47:3<449:CGOWBA>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
MEDITERRANEAN-TYPE ENVIRONMENT; WATER-USE EFFICIENCY; SIMPLE-MODEL; AVENA-FATUA; YIELD LOSS; COMPETITION; WEEDS; RESISTANT; DENSITY; CEREALS;
Keywords:
GROWTH; DEVELOPMENT; CEREALS; COMPETITION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
31
Recensione:
Indirizzi per estratti:
Citazione:
R.D. Cousens, "COMPARATIVE GROWTH OF WHEAT, BARLEY, AND ANNUAL RYEGRASS (LOLIUM-RIGIDUM) IN MONOCULTURE AND MIXTURE", Australian Journal of Agricultural Research, 47(3), 1996, pp. 449-464

Abstract

The growth and development of wheat, barley, and annual ryegrass (Lolium rigidum Gaud.) were studied in monoculture and in additive mixtures at two sites of contrasting climate and soil type in New South Wales. Although smaller, annual ryegrass paralleled the behaviour of the two cereals in monoculture in all respects. The phenological developmentof all three species was more rapid at the wheatbelt site (Forbes) than on the coastal plain (Camden); yield loss was also greater at Forbes. The early growth rate of barley was greater than that of wheat or ryegrass at both sites. As a result, barley was more able to suppress ryegrass in mixtures and to maintain its yield than wheat. Sensitivity analysis of a growth simulation model suggested that the early rate ofleaf production was likely to be influential in determining the magnitude of biomass reduction at anthesis; relative phenological development and height growth dynamics appeared to have little effect.

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Documento generato il 24/11/20 alle ore 22:23:00