Higher leaf area growth rate contributes to greater vegetative growth of F1 rice [Oryza sativa] hybrids in the tropics

• Published in: Plant production science Vol. 4; no. 3; pp. 184 - 188
• Main Authors: Laza, M.R.C. (International Rice Research Inst., Los Banos, Laguna (Philippines)), Peng, S, Sanico, A.L, Visperas, R.M, Akita, S
• Format: Journal Article
• Language: English
• Published: Tokyo Taylor & Francis 2001; Crop Science Society of Japan; Taylor & Francis Ltd; Taylor & Francis Group
• Subjects: Adaptation to environment and cultivation conditions; Agronomy. Soil science and plant productions; Biological and medical sciences; Economic plant physiology; F1 hybrid; Field tests; Fundamental and applied biological sciences. Psychology; Genetics and breeding of economic plants; GROWTH; Growth and development; Growth rate; HYBRIDS; Leaf area growth rate; Leaves; Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence; ORYZA SATIVA; Rainy season; Rice; RVegetative vigor; Specific leaf weight; Tillering; Tropical environments; TROPICAL ZONES; Varietal selection. Specialized plant breeding, plant breeding aims; Asia; Philippine Islands; South east Asia; Tillering; Hybrid variety; Monocotyledones; Growth rate; Tropical zone; Tropical crop; Early stage; Leaf area; Cereal crop; Field experiment; Biological productivity; Oryza sativa; Gramineae; Angiospermae; Genetic improvement; Spermatophyta; Vigor; Intraspecific comparison

The early vigor of hybrid rice (Oryza saliva L.) developed in temperate areas has been mainly attributed to its higher tillering rate. The objective of this study is to identify factors that contribute to greater vegetative growth of F sub1 hybrid rice recently developed in the tropics. We analyzed...