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RESPONSES OF TEA TO ENVIRONMENT IN KENYA. 3. YIELD AND YIELD DISTRIBUTION

Published online by Cambridge University Press:  06 September 2001

W. K. Ng'etich ,
W. Stephens  and
C. O. Othieno
W. K. Ng'etich
Affiliation:
Tea Research Foundation of Kenya, P.O. Box 820, Kericho, Kenya
W. Stephens
Affiliation:
Department of Natural Resources Management, School of Agriculture, Food and Environment, Cranfield University, Silsoe, Bedford MK45 4DT, UK
C. O. Othieno
Affiliation:
Department of Soil Science, Moi University, P.O. Box 1125, Eldoret, Kenya
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Abstract

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In an experiment on genotype × environment interactions in tea (Camellia sinensis), yield differed between the genotypes at all sites. The highest yield in the third year after planting was 3760 kg ha−1 for clone S15/10 at site 4 (1800 m altitude), while the lowest was 1610 kg ha−1 for clone 6/8 at site 1 (2200 m). The dry matter contents of harvested shoots from each clone ranged from 0.24 for clone TN14-3 down to 0.19 for clone S15/10. Yield response to soil water deficits was more pronounced at site 4, where larger deficits were observed. Hail damage affected the yield of two sites and a temperature influence on recovery was evident.

Type
Research Article
Information
Experimental Agriculture , Volume 37 , Issue 3 , July 2001 , pp. 361 - 372
Copyright
© 2001 Cambridge University Press