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- W2384674673 abstract "Maize inbred line Sn-8-1-1 with the characteristics of good quality,high yield,resistant to pests,good combing ability,developed by Guangxi Maize Research Institute,was the female parent of single cross hybrid Nanniwan 18 approved by Guangxi Zhuang Autonomous Regional Government for release in 2010.In order to provide scientific base for the seed production with high quality and yield,the relationship between kernel yield,ear traits,diseased plants rate and planting density of the line Sn-8-1-1 was investigated.The result showed that the kernel yield of maize inbred line Sn-8-1-1 increased with the planting density increased from 54 000 plants/hm2 to 78 000 plants/hm2,then decreased with the planting density rising from 78000 plants/hm2 to 90000 plants/hm2,with the maximum yield of 5725.65 kg/hm2;Ear length,ear diameter,row number per ear,kernel number per row,1000-kernel weight decreased with the planting density increasing from 54 000 plants /hm2 to 90 000 plants/hm2,while percentage of barren plant and diseased plants rate increased with the planting density increased.The result of correlation analysis indicated that: the relationship between kernel yield and planting density was significantly positive;the relationship between kernel yield and percentage of barren plant and diseased plants rate were positive but not significantly and the relationship between kernel yield and ear length,ear diameter were both significantly negative;the relationship between kernel yield and row number per ear,kernel number per row,1000-kernel weight were all negative but not significantly.Path analysis revealed that the traits by the direct contribution to yield were in order of planting density(P1→y=0.8949)row number per ear(P4→y=0.6073)kernel number per row(P5→y=0.4610)1000-kernel weight(P6→y=0.3222)percentage of barren plant(P7→y=0.2760)ear diameter(P3→y=-0.3469)diseased plants rate(P8→y=-0.4117)ear length(P2→y=-0.9712).The best planting density for the seed production of Nanniwan 18 was 78 000 plants/hm2,which could ensure the yield and quality of seed production." @default.
- W2384674673 created "2016-06-24" @default.
- W2384674673 creator A5066051596 @default.
- W2384674673 date "2011-01-01" @default.
- W2384674673 modified "2023-09-26" @default.
- W2384674673 title "Relationship between Kernel Yield,Ear Traits,Diseased Plants Rate and Planting Density of Maize Inbred Line Sn-8-1-1" @default.
- W2384674673 hasPublicationYear "2011" @default.
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