Annals of Botany 40: 301-315, 1976
© 1976 Annals of Botany Company
RESEARCH-ARTICLE |
Growth and Assimilate Conversion of Cotton Bolls (Gossypium hirsutum L.) 1. Growth of Fruits
and Substrate Demand
Department of Tropical Crops, Agricultural University Wageningen, The Netherlands
Received: 11 February 1975 Returned for revision: 12 July 1975
A generalized growth pattern of cotton bolls and their components is derived from data available in the literature. This pattern is used to calculate substrate requirements for dry matter accumulation and results in an estimated consumption of 138.5 g of (CH2O) and 15.4 g of amino acids per 100 g of mature boll dry matter omitting maintenance respiration. For maintenance respiration at 12 h day and 12 h night temperature of 30 and 20 °C respectively and a boll maturation period of 50 days, 26.9 g CH2O per 100 g of mature bolls is found. The rate is considerably higher in the earlier phases of boll development when primarily structural growth occurs compared with later phases when storage growth prevails.
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