Correlation and Path Analysis between Winter Wheat Yield and Meteorological Factors in Heilonggang Region

doi:10.7668/hbnxb.2008.S2.076

Abstract

Abstract: It was indicated that winter wheat yield was closely related to meteorological factors. Among the 35 meteorologicalfactors related to wheat yield, the correlative coefficients of 12 factors with yield were signif icant. The precipitationduring milking stage, which was significant correlated( at A0101 level) with winter wheat yield, had the highest pathcoefficient, and contributed the most to wheat yield establishment.The second and third factors were the precipitations injointing and stem elongating stage. Closely related to winter wheat yield, the evaporation inMay were significantly correlatedwith the yield at A0101level, showing significant negative effect on wheat yield establishment.Addit ionally, the soil temperaturein the winter was also a very important meteorological factor affecting winter wheat yield. Therefore, the above ment ioned factors should be emphasized when making wheat production and management plan.

Key words: Winter wheat yield, Meteorological factor, Correlation analysis, Path analysis

CLC Number:

S512.1

LI Yue-ying, LIU Quan-xi, ZHANG Wen-ying, LIU Bin-hui, LI Xin, XIE Li-li, MA Jing-min, LI Ai-guo, LI Yu-qin. Correlation and Path Analysis between Winter Wheat Yield and Meteorological Factors in Heilonggang Region[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(S2): 329-333. doi: 10.7668/hbnxb.2008.S2.076.

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