|Table of Contents|

Occurrence Dynamics of Eclipta prostrata in Soybean and Its Influence on Growth and Yield of Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2012年05期
Page:
789-792
Research Field:
Publishing date:

Info

Title:
Occurrence Dynamics of Eclipta prostrata in Soybean and Its Influence on Growth and Yield of Soybean
Author(s):
LUO Xiao-juan; LI Jun; DONG Li-yao
College of Plant Protection/Key Laboratory of Integrated Management of Crop Diseases and Pest,Ministry of Education,Nanjing Agricultural University,Nanjing 210095,Jiangsu,China
Keywords:
Eclipta prostrata; Occurrence dynamics; Soybean; Competition relationship
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2012.05.021
Abstract:
Point-survey and additive experiment were adopted to study the occurrence dynamics of Eclipta prostrata and its competition with soybean in 2010s and 2011s.Results showed that the emergence fastigium was observed 12-18 days after sowing of soybean.The rapid increasing period of plant height and fresh weight of E.prostrata occurred at 40 days after sowing of soybean,which was later than soybean by 20 days.Moreover,the number of productive plant,pod number per plant and yield of soybean were declined significantly with increasing density of E.prostrata.The correlation between weed density and percentage soybean yield loss followed:Y=-0.038X2+3.147X+3.746(r2=0.971).

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Last Update: 2014-08-19