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2012•ACTA AGRICULTURAE UNIVERSITATIS JIANGXIENSISRequires access

A Study on Drought Resistance and Screening of Morphological Indicators at Germinating Stage of Rice in Heilongjiang Province

Wang Gui-sen

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Abstract

150 g/L PEG-6000 was used to induce water stress,and the effect of water stress on morphological indicators at germinating stage of rice in HeiLongJiang Province was studied.The results showed that the germination power,germination rate,seedling length,root length,root number,dry seedling weight of rice decreased under water stress,the dry root weight and coleoptile length showed inconsistent performance in different varieties,Dongnong425,Ha04-29,Longjing21 had strong drought resistance.The seedling length,root lengt,dry seedling weight,germination rate,coleoptile length could be used as the main indicators of access of drougth resistance at the germinating stage of rice.

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What this paper is about

150 g/L PEG-6000 was used to induce water stress,and the effect of water stress on morphological indicators at germinating stage of rice in HeiLongJiang Province was studied.The results showed that the germination power,germination rate,seedling length,root length,root number,dry seedling weight of rice decreased under water stress,the dry root weight and coleoptile length showed inconsistent performance in different varieties,Dongnong425,Ha04-29,Longjing21 had strong drought resistance.The seedling length,root lengt,dry seedling weight,germination rate,coleoptile length could be used as the main indicators of access of drougth resistance at the germinating stage of rice.

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Available abstract

150 g/L PEG-6000 was used to induce water stress,and the effect of water stress on morphological indicators at germinating stage of rice in HeiLongJiang Province was studied.The results showed that the germination power,germination rate,seedling length,root length,root number,dry seedling weight of rice decreased under water stress,the dry root weight and coleoptile length showed inconsistent performance in different varieties,Dongnong425,Ha04-29,Longjing21 had strong drought resistance.The seedling length,root lengt,dry seedling weight,germination rate,coleoptile length could be used as the main indicators of access of drougth resistance at the germinating stage of rice.

Key concepts: Seedling, Coleoptile, Germination, Drought resistance, Dry weight, Water stress, Biology, Agronomy

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A Study on Drought Resistance and Screening of Morphological Indicators at Germinating Stage of Rice in Heilongjiang Province — Research Paper | ScholarLens