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Titolo:
Plant recovery and grain-yield formation in barley and triticale followingforage removal at two cutting stages
Autore:
Royo, C;
Indirizzi:
IRTA, Ctr UdL, E-25198 Lleida, Spain IRTA Lleida Spain E-25198IRTA, Ctr UdL, E-25198 Lleida, Spain
Titolo Testata:
JOURNAL OF AGRONOMY AND CROP SCIENCE-ZEITSCHRIFT FUR ACKER UND PFLANZENBAU
fascicolo: 3, volume: 182, anno: 1999,
pagine: 175 - 183
SICI:
0931-2250(199905)182:3<175:PRAGFI>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
DUAL-PURPOSE FORAGE; MEDITERRANEAN-TYPE ENVIRONMENT; DRY-MATTER ACCUMULATION; WINTER-WHEAT; PLUS GRAIN; LEAF-AREA; COMPONENTS; GROWTH; CEREALS; LEAVES;
Keywords:
barley; triticale; clipping; dual purpose; forage removal; biomass; yield components; growth indices;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
33
Recensione:
Indirizzi per estratti:
Indirizzo: Royo, C IRTA, Ctr UdL, Rovira Roure 177, E-25198 Lleida, Spain IRTA RoviraRoure 177 Lleida Spain E-25198 E-25198 Lleida, Spain
Citazione:
C. Royo, "Plant recovery and grain-yield formation in barley and triticale followingforage removal at two cutting stages", J AGRON CR, 182(3), 1999, pp. 175-183

Abstract

The effects of cutting stage on plant recovery and grain-yield formation were analyzed in three barley and three spring triticale genotypes for two sowing dates and two sites in northeastern Spain. Harvesting treatments were(i) uncut or control, (ii) cut at the pseudostem erection stage, and (iii)cut at the first node detectable stage. Plant recovery after forage removal was affected by environmental conditions, sowing date, and plant stage atcutting. There were genotypic differences in the rate of recovery after cutting. The later the plant stage at cutting, the greater were the reductions in dry-matter accumulation, leaf-area expansion, leaf-area duration afteranthesis and grain-yield components, and the increases in the inverse of leaf area ratio (1/LAR) and in grain:leaf ratio. In barley, photosynthesis after anthesis was the main source of assimilates for grain filling. Photosynthesis after anthesis, which was a greater contributor than reserve remobilization to grain filling in both uncut and cut at the pseudostem erection stage treatments in triticale, was reduced when the plants were subjected to the stress of forage removal at the first-detectable-nod stage.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/11/20 alle ore 21:32:20