Calculation of population parameters using richards function and application of indices of growth and seed vigor to rice plants

Plant Production Science

Volumn 2, Issue 2, 1999, Pages 129-135

  Hara, Yoshitaka ^a  

^a National Agricultural Research Center   (Japan)

Author keywords

Germination; Logistic function; Population dynamics; Population parameter; Rice plant; Richards function; Seed test; Seed vigor

Indexed keywords

EID: 0001520202     PISSN: 1343943X     EISSN: None     Source Type: Journal    
DOI: 10.1626/pps.2.129     Document Type: Article

References (5)

1. Akamine, T. 1993. A new standard formula for seasonal growth of fish in population dynamics. Nippon Suisan Gakkai 59 : 1857-1863.
2. Berry, G.J., Cawood, R.J. and Flood, R.G. 1988. Curve fitting of germination data using the Richards function. Plant Cell Environ. 11 : 183-188.
3. Goodchild, N.A. and Walker, M.G. 1971. A method of measuring seed germination in physiological studies. Ann. Bot. 35 : 615621.
4. Hara, Y. and Toriyama, K. 1998a. Seed nitrogen accelerates the rates of germination, emergence, and establishment of rice plants. Sou Sei. Plant Nutr. 44 : 359-366.
5. Hara, Y. and Toriyama, K. 1998b. Ammonium nitrogen in soil solution and seed nitrogen affect the percentage of establishment of rice plants in submerged soil. Soil Sei. Plant Nutr. 44 : 415-422.