International Journal of Agronomy / 2011 / Article / Tab 1

Research Article

Ethephon Stimulation and Yield Response of Some Hevea Clones in the Humid Forests of South West Cameroon

Table 1

Correlation coefficients between yield and weather variables.

YieldsCloneCumulative rainfall (mm)Days of insolationMean temperatureMean relative humidity

Field production
(kg/ha)
GT 10.8046**−0.4763−0.8084**0.8337**
IRCA 180.7173**−0.7705**−0.45060.6273*
IRCA 190.6528*−0.2026−0.6067*0.8264**
PB 2350.7558**−0.6529*−0.8139**0.6147*
PB 2600.5524−0.4637−0.6094*0.5205
RRIC 100−0.0883−0.2171−0.0741−0.0094
RRIC 1100.7438**−0.3517−0.692*0.738**

Tree productivity
(g/t/t)
GT 10.8432**−0.6025*−0.8481**0.7011*
IRCA 180.562−0.6156*−0.21970.2983
IRCA 190.6024*−0.2388−0.53690.5979*
PB 2350.6102*−0.5444−0.6749*0.5257
PB 2600.4454−0.4981−0.50890.2663
RRIC 1000.7432**−0.6047−0.77370.5794
RRIC 1100.6792*−0.3864−0.6133*0.501

Significant at **1%; *5%.

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