|Table of Contents|

Effect of Plant Density on Photosynthetic Characters and Yield of Echium vulgare (PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年10期
Page:
1-5
Research Field:
Publishing date:

Info

Title:
Effect of Plant Density on Photosynthetic Characters and Yield of Echium vulgare
Author(s):
XU Hui-feng1; WEI Long-xue1; GAO Zhi-xin2; HOU Wei1; FENG Zheng-dong1
1.College of Agriculture,Jilin Agricultural University，Changchun，Jilin 130118；
2.Zhong Bang Garden Co.Ltd.，Changchun，Jilin 130118
Keywords:
Echium vulgare; density; photosynthetic characteristic; yield; effect
PACS:
S 565.9
DOI:
-
Abstract:
Experimental treatments applied by a split plot design with Echium vulgare as test material，row spacing（30,60 cm） factor was assigned to the main plot and plant spacing (10,15,20,25,30 cm)factor was assigned to the subplot to investigate the influence on photosynthetic characteristics of Echium vulgare，and density on yield and yield components in the field conditions were studied.The results showed that，the index values of photosynthetic characteristics in either case T4 and S3 were isometric each other，as plant spacing of increased，the index values of photosynthetic characteristics grew slowly；as the canopy increased，photosynthetic rate with an increasing trend；both T4 and S3 were similar to the leaf area index(LAI)，the LAI little spikes of S3 at the seed filling stage，and was later to the full-bloom stage of T4.Yields of T4 were higher than other plant spacing configuration significantly，S3 production was significantly higher than other configurations too.As the density increased，100-kernel weight and number of Kernels per plant decreased，the overall yield also decreased (exclude T5(row and plant space 30,30)，S4(row and plant space 60,25)，S5(row and plant space 60,30)).T4 and S3 yield factors significanty increased,it showed that high output eventually yield enhancement，rather than just individual yield of per plant increased.With the density increased to a certain extent，yield did not increase.T4 and S3 were Echium vulgares’?reasonable planting density.

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Last Update: 2014-08-06