A Preliminary Study on Saline-alkali Tolerance Identification of Different Maize Inbred Lines

doi:10.7668/hbnxb.2014.S1.035

Abstract

Abstract: The saline-alkaline tolerance of maize skeleton inbred lines were evaluated,of which were classed into different grades through the determination of the saline-alkaline tolerance index in the whole growth stage in this study.The results showed that,the saline-alkaline tolerance index of mature plant rate,plant height,green leaf number,seed number per spike and seed-producing percentage were positive related to the yield,which the saline-alkaline tolerance index of seed-producing percentage and yield reached significant level.This study also concluded that higher mature plant rate at tasseling-silking stage,relatively more green leaf number after silking,more seed number per spike and seed-producing percentage at seed mature stage was the premise to obtain high yield.Compared with other skeleton inbred lines,Qi 319 inbred lines had a stronger saline-alkaline tolerance.

Key words: Maize, Skeleton inbred lines, Saline-alkali tolerance, Agronomic traits, Yield

CLC Number:

S513.01

XIAO Wan-xin, WANG Yan-bo, ZHAO Hai-yan, LIU Jing, CHANG Cheng, ZHANG Shu-ping, XU Liang, ZHAO Meng. A Preliminary Study on Saline-alkali Tolerance Identification of Different Maize Inbred Lines[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2014, 29(S1): 183-187. doi: 10.7668/hbnxb.2014.S1.035.

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