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Agricultural Science Digest, volume 21 issue 2 (june 2001) : 129 - 130

PATH COEFFICIENT-ANALYSIS IN CASHEW

R.Swarna Piria, N.Manivannan

Affiliations

¹National Pulses Research Centre. Tamil Nadu Agricultural University. Vamban Colony - 622 303, India

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Cite article:- Piria R.Swarna, N.Manivannan (2024). PATH COEFFICIENT-ANALYSIS IN CASHEW. Agricultural Science Digest. 21(2): 129 - 130. doi: .

ABSTRACT

Eleven characters namely collar girth of the tree, leaf length, leaf breadth, panicle length, panicle breadth, number of nuts/panicle. apple length, apple girth, apple weight, single nut weight and nut yield/tree were recorded on six genotypes of cashew. The correlation analysis showed that characters, collar girth, leaf length and number of nuts/panicle had significantly positive association with nut yield/tree. The path analysis revealed that collar girth, panicle breadth, number of nuts/panicle, apple weight and nut weight had high or very high direct effect on nut yield/tree. Most of the characters had high positive indirect effect through collar girth and high negative indirect effect through apple weight on nut yield/tree. Hence, the characters collar girth, panicle breadth, number of nuts/panicle, apple weight and nut weight should be considered as selection indices in the cashew improvement programme.

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REFERENCES

Anitha. K. et al. (1991). The Cashew, 5(1):13-15.
Dewey, DR and Lu, K.H. (1959). Agron. J., 51:515-518.
Falconer, D.S. (1964). Introduction to Quantitative genetics. Oliver and Boyd. Edinburg, 312-324.
Manoj, P.S. et al. (1994). The cashew. 8(1):10-14.
Jayaprakash Naik, B. et al. (1997) The cashew 11(4):31-36.
Sandhu, T.S. et al. (1979). Indian J. Genet., 39: 480-483.
Singh. S.P. et al. (1968). Madras Agric. J 55: 233-237.

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