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A correlation and path-coefficient analyses of yield and selected yield components of cashew hybrids in Tanzania

Author Affiliations

  • 1Naliendele Agricultural Research Institute, Cashew Research Programme, P .O. Box 509 Mtwara, Tanzania
  • 2Sokoine University of Agriculture, Department of Crop Science and Horticulture, P. O. Box 3005 Morogoro, Tanzania
  • 3Sokoine University of Agriculture, Department of Crop Science and Horticulture, P. O. Box 3005 Morogoro, Tanzania
  • 4Naliendele Agricultural Research Institute, Cashew Research Programme, P .O. Box 509 Mtwara, Tanzania

Res. J. Agriculture & Forestry Sci., Volume 5, Issue (4), Pages 16-22, April,8 (2017)

Abstract

An experiment was conducted to study the correlation and path analysis of thirty cashew genotypes in Tanzania. Results indicated that nuts per tree had strong and positive direct effects on yield and also with yield they were significantly and positively correlated at each location and in combined analysis. The significant positive correlations between percentage out turn with yield was predominantly due to the positive favorable interaction of percentage out turn with nuts per tree as manifested by the indirect effects of percentage out turn on yield through nuts per tree at each location and in combined analysis. Thus nuts per tree and percentage out turn were components identified that are useful as criteria for selection in cashew, which could be used in breeding programs to improve the crop yield in diverse ecologies.

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