Performance and nodulation efficiency of soybean cultivars
2000
Amanullah | Hatam, M. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Agronomy)
Seven soybean [Glycine max (L.) Merrill) cultivars viz. Kharif-93, Ajmeer, Malakand-91, Ags-297, Swat-94, Ags-62 and Wahab-93 were planted at the Research Farm of Agricultural University Peshawar on May 13, 1998 to determine the yield potential and modulation efficiency of these cultivars in relation to other important agronomic characters. Kharif-93 ranked first by producing highest grain yield (2498 kg/ha), followed by Ags-297 (2206 kg/ha), while the lowest grain yield of 810 kg/ha was recorded for Wahab-93. Average values of grain yield decreased from 2233.5 (2068-2498 kg/ha) in group-I to 1512.6 (810- 2042 kg/ha) in group-II. Similarly the average values of days to maturity, plant height, nodules number, nodules weight, branches and pods per plant and dry matter yield decreased in descending order from 148 to 113 days, 120.4 to 88.3 cm, 54.7 to 40, 0.54 to 0.37 g, 8.7 to 5.4, 85.7 to 61.3, 12110 to 7500 kg/ha in group-I to group-II, respectively and showed positive association with grain yield. The relationship of 100-seed weight with grain yield was negative because its average values increased from 14.1 g in-group-I to 16.1 g in group-II.
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