Environmental effects on growth and development of cassava (Manihot esculenta Crantz.) II. Crop growth rate and biomass yield

Keating B.A., Evenson J.P. and Fukai S. (1982) Environmental effects on growth and development of cassava (Manihot esculenta Crantz.) II. Crop growth rate and biomass yield. Field Crops Research, 5 C: 283-292. doi:10.1016/0378-4290(82)90031-4


Author Keating B.A.
Evenson J.P.
Fukai S.
Title Environmental effects on growth and development of cassava (Manihot esculenta Crantz.) II. Crop growth rate and biomass yield
Journal name Field Crops Research   Check publisher's open access policy
ISSN 0378-4290
Publication date 1982-01-01
Sub-type Article (original research)
DOI 10.1016/0378-4290(82)90031-4
Volume 5
Issue C
Start page 283
End page 292
Total pages 10
Subject 1102 Cardiovascular Medicine and Haematology
1110 Nursing
Abstract Frequent harvests of serial plantings of cassava (cv. M Aus 10) in S.E. Queensland, Australia (latitude 27° 37′S) were used to examine the effect of environment on dry matter growth and biomass yield. Maximum crop growth rates (CGR) calculated from fitted logistic curves ranged from 23.8 to 2.4 g m-2 day-1 for the various planting dates and occurred in late summer to autumn, becoming progressively smaller and later for plantings made later in the growth season. Crop growth rate declined to zero or near zero for all planting dates in late winter. Maximum CGR's were higher than those reported for cassava at lower latitudes but, because of the restricted growing season, annual biomass yields from early planting times were similar and of the order of 30 t ha-1 year-1. Multiple regression models were developed which could account for 89% of the variation in CGR in terms of mean air temperature or solar radiation and leaf area index (LAI). Temperature and solar radiation were highly correlated at this experimental site and it was not possible to distinguish their separate effects on CGR.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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