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LIN Qiong. Effects of Seeding Time and Cultivation Density on Yield of Super Hybrid Rice Tianyou 3301[J]. Fujian Journal of Agricultural Sciences, 2012, 27(7): 685-690.
Citation:
LIN Qiong. Effects of Seeding Time and Cultivation Density on Yield of Super Hybrid Rice Tianyou 3301[J]. Fujian Journal of Agricultural Sciences, 2012, 27(7): 685-690.
LIN Qiong. Effects of Seeding Time and Cultivation Density on Yield of Super Hybrid Rice Tianyou 3301[J]. Fujian Journal of Agricultural Sciences, 2012, 27(7): 685-690.
Citation:
LIN Qiong. Effects of Seeding Time and Cultivation Density on Yield of Super Hybrid Rice Tianyou 3301[J]. Fujian Journal of Agricultural Sciences, 2012, 27(7): 685-690.
Using the split plot design, a field experiment was conducted with different sowing date(5/20、5/30、6/10、6/20 and 6/30) and transplanting densities (18, 25and 36 hills·hm-2) by using a super hybrid rice Tianyou 3301. The results showed that sowing date had significantly effect on the panicles per unit area,grain number per panicle, seed setting rate, 1000-grain weight and grain yield. It had significant influence of transplanting density on yield and yield components for Tianyou 3301. The transplanting density mainly affected panicles, as the transplanting density increased,the effective panicles per unit area significantly increasd, grain number decreased. But there was no significant difference in 1000-grain weight and seed setting rate among different densities. Therefore, the super hybrid rice Tianyou 3301 in Jianyang and the Northwestern Fujian under the experimental conditions which are transplanting seedlings at May 20 and 30 with transplanting density of 250000·hm-2 and 360000·hm-2 respectively, can form adequate panicles grain number and obtain a higher yield.