Response of Various Sesame Varieties under the Influence of Nitrogen and Phosphorus Doses
- 1 Livestock Research Institute, Turbat, Pakistan
- 2 Sindh Agriculture University, Tandojam, Pakistan
- 3 Agriculture Extension, Panjgoor, Pakistan
- 4 Livestock Research Institute, Turbat, Pakistan
- 5 Agriculture Extension, Panjgoor, Pakistan
- 6 Livestock Research Institute, Turbat, Pakistan
- 7 Livestock Research Institute, Turbat, Pakistan
Abstract
A field study to evaluate the “Response of various sesame ( Sesamum indicum L.) varieties under the influence of nitrogen and phosphorus doses’’ was carried out at Oilseeds Section, Agriculture Research Institute, Tandojam during Kharif 2013. The experiment was laid out in a three replicated randomized complete block design (RCBD) factorial, having net plot size 6 × 3 m (18 m 2 ). The treatments comprised two varieties such as S-17 and Pr-125, and six doses of NP i.e. (No fertilizer (Control), NP @ 30 - 30 kg · ha -1 , NP @ 50 - 30 kg · ha -1 , NP @ 50 - 50 kg · ha -1 , NP @ 70 - 50 kg · ha -1 and NP @ 70 - 70 kg · ha -1 ). The analysis of variance suggested that all the doses of NP affected significantly (P < 0.05) growth and yield of sesame varieties as compared to No fertilizer (Control) treatment. In the case of fertilizer doses, NP @ 70 - 70 kg · ha -1 produced maximum plant height (102.33 cm), branches plant -1 (18.50), capsules plant -1 (42.17), seeds capsule -1 (57.67), seed weight plant -1 (37.50 g), seed index (3.10 g) and seed yield (774.17 kg · ha -1 ), whereas NP @ 70 + 50 kg · ha -1 and NP @ 50 - 50 kg · ha -1 ranked 2nd and 3rd in all the growth and yield traits, particularly seed yield (763.50 kg · ha -1 and 694.50 kg · ha -1 ). Among sesame varieties, S-17 resulted in maximum plant height (91.89 cm), branches plant -1 (15.11), capsules plant -1 (37.06), seeds capsule -1 (50.56), seed weight plant -1 (32.00 g), seed index (2.63 g) and seed yield (682.11 kg · ha -1 ), whereas variety Pr-125 resulted in minimum traits, particularly seed yield (657.56 kg · ha -1 ). In the case of interactive effects, the interaction of NP @ 70 - 70 kg · ha -1 × variety S-17 produced maximum values, particularly seed yield (782.67), whereas minimum results were recorded in the interaction of No fertilizer (Control) × variety Pr-125. Hence results concluded that the interaction of NP @ 70 - 50 kg · ha -1 variety S-17 was found most economical for obtaining optimum yield of sesame because of non-significant differences with NP @ 70 - 70 kg · ha -1 .
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