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|Title: ||Phenology and growth response to irrigation and sowing date of Kabuli chickpea (Cicer arietinum L.) in a cool-temperate subhumid climate|
|Author: ||Anwar, M. Rajin|
McKenzie, B. A.
Hill, G. D.
|Date: ||Nov-2003 |
|Publisher: ||Cambridge University Press|
|Citation: ||Anwar, M. R., McKenzie, B. A., & Hill, G. D. (2003). Phenology and growth response to irrigation and sowing date of Kabuli chickpea (Cicer arietinum L.) in a cool-temperate subhumid climate. Journal of Agricultural Science, 141(3-4), 273-284.|
|Item Type: ||Journal Article|
|Abstract: ||The photothermal response of three Kabuli chickpea (Cicer arietinum L.) cultivars, at different growth stages, to eight irrigation treatments in 1998/99 and four irrigation treatments in 1999/2000 was studied on a Wakanui silt loam soil in Canterbury, New Zealand (43°38S, 172°30E). The rate of development from emergence to flowering (e-f) and sowing to harvest maturity were strongly and positively associated (R²=0·87, P<0·001) with mean temperature during those periods. All phenological stages considered (sowing to emergence, e-f, flowering to podding, podding to physiological maturity and physiological maturity to harvest maturity) depended upon accumulated thermal time (Tt) above a base temperature (Tb) of 1 °C. An accurate prediction of time of flowering was made based on an accumulated mean Tt requirement of 629 °Cdays from e-f (R²=0·91, P<0·001). Fully irrigated crops had higher maximum dry matter accumulation (maxDM; 1093 g/m²), duration of exponential growth (DUR; 99 days), weighted mean absolute growth rate (WMAGR; 12·2 g/m² per day) and maximum crop growth rate (MGR; 17·1 g/m² per day). In 1998/99 the positive response of maxDM and MGR depended on a significant (P<0·01) interaction between irrigation and sowing date. The maxDM during the season was highly correlated with DUR and MGR (R²=0·79 and 0·65). It is concluded that to maximize chickpea biological yield in the dry season of the cool-temperate subhumid climate of Canterbury, irrigation should extend across all phenological stages.|
|Persistent URL (URI): ||http://hdl.handle.net/10182/400|
|Related: ||The original publication is available from http://journals.cambridge.org or directly at: http://dx.doi.org/10.1017/S0021859603003629|
|Related URI: ||http://dx.doi.org/10.1017/S0021859603003629|
|Rights: ||Copyright © 2003 Cambridge University Press|
|Appears in Collections:||Department of Agricultural Sciences|
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