Effect of eucalyptus (Eucalyptus tereticornis Sm.) spacing on performance of raya varieties
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Date
2023-07
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CCSHAU, Hisar
Abstract
The present study entitled "Effect of eucalyptus (Eucalyptus tereticornis Sm.) spacing on performance of raya varieties" was conducted in the Department of Forestry during the year 2022-23. The performance of four raya varieties (CS 54, CS 56, CS 58, CS 60 grown as sole crop and sown in different spacing of eucalypts based agroforestry were noted to ascertain the effect of environment on growth, yield attributes yield and oil content. Various growth, physiological, phenological, and yield attributing characteristics of different raya varieties were observed significantly higher in sole raya crop (devoid of tree) than eucalypts plantation except for days to seedling emergence, 50% flowering and maturity. Among the various varieties, CS 58 was recorded as the best performing variety in all the spacing revealing its high potential in both sole and agroforestry but in 9 × 3m spacing variety CS 60 is superior. Mean yield reduction over control in different spacings was 22 %, 52 %, 59 %, 74% in 9 × 3, 8 × 3, 7 × 3 ,6 ×3 respectively. The maximum (2.72) B : C ratio was also recorded in eucalypts based agroforestry with raya variety CS 60 system under 9 × 3 m spacing.