Effects of Rice Seedling Age and Transplanting Density on the Biological Characteristics of Rice

doi:10.7668/hbnxb.2011.03.027

Abstract

Abstract: Effects of rice seedling age and transplanting density on the biological characteristics of rice were examined using a rice cultivar,Yangliangyou6,in a field study.When rice seedling age was in the range of 35-55 d and transplanting density was in the range of 1.8×10⁵-3.0×10⁵ hills/ha,leaf area index(LAI) of rice at the mid-tillering stage and panicle initiation stage were decreasing as the increase of rice seedling age,however,increasing as the increase of transplanting density.There were significant differences in productive panicle per m²,total spikelet per panicle,solid spikelet per panicle and yield in the treatments of rice seedling age.Remarkable differences were found in the productive panicle per m² and yield in the treatments of transplanting density.There was also noticeable effect of interaction between rice seedling age and transplanting density.

Key words: Rice seedling age, Transplanting density, Biological characteristics, Rice

CLC Number:

S11.01

PAN Sheng-gang, HUANG Sheng-qi, JIANG Yang, CAI Ming-li, CAO Cou-gui, TANG Xiang-ru, LI Guo-xi. Effects of Rice Seedling Age and Transplanting Density on the Biological Characteristics of Rice[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2011, 26(3): 134-138. doi: 10.7668/hbnxb.2011.03.027.

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