盐胁迫对不同粒型花生品种种子吸水特性的影响
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摘要
选用不同粒型花生品种并设置0%、0.15%、0.30%、0.45%(m/V)不同盐胁迫浓度的盆栽试验,以探究盐胁迫下花生种子吸水速率变化情况及其与种子粒型间的关系。结果显示,供试各品种种子粒型大小HY36>HY25>JH13>HY20,以HY36的种子粒型较为整齐。各品种种子吸水速率均随吸水时间的延长而减慢,并随盐胁迫浓度的增加显著降低,各盐胁迫浓度下以HY20种子吸水率最小。种子粒型与吸水率和吸水速率间相关性分析表明,无论盐胁迫与否,大粒型品种种子质量与吸水率间均呈负相关关系;各盐胁迫浓度处理下,中粒型和小粒型品种种子质量越大其吸水速率越大。综合来看,0%和0.15%低盐浓度处理下,大粒型品种中质量较大的种子和小粒型品种较为浑圆饱满的种子吸水率相对较小;0.45%高盐浓度处理下,种子越细长其吸水率越大。非盐或低盐地区选用吸水率较小的种子便于节水,高盐环境下选用吸水率较大的相对细长的种子利于萌发。本试验结果为盐碱地花生选种和完善高产栽培技术等提供参考依据。
In this study,different peanut varieties were selected and treated with different salt concentrations to investigate the relationship between variation of water uptake and sizes of peanut seed under salt stress.The findings revealed that the seed size of different peanut varieties were in a descending order as follows:HY36,HY25,JH13 and HY20.Compared with others,the seed size of HY36 were more even.The water absorption rate of seeds decreased as time went by.The water absorption rate of seeds from the same peanut variety decreased significantly under salt stress.The water absorption of HY20 seeds was the lowest among the four varieties under different salt stress.The correlation analysis between seed types and water absorption rate showed that there was a negative linear correlation between seed mass and water absorption in the peanut of large-grain under salt stress or not.The correlation analysis between seed types and water absorption rate showed that higher mass seeds had higher water absorption rate under the treatment of different salinity.In conclusion,the water absorption rate of the seeds with high mass in peanut varieties of large-grain and the round and full seeds of HY20,which is a variety of small-grain,was relatively small under 0% and 0.15% NaCl treatment.The peanut seeds of small water absorption rate planted in non-saline or low-saline areas were more favorable for saving water.More slender seeds can absorb more water under 0.45% NaCl treatment.Considering of the germination,The slender seeds which have high water absorption were suitable for high-saline areas.The results can provide reference for selection of peanut seeds and improvement of high-yielding cultivation technique of peanut in saline-alkali soil.
In this study,different peanut varieties were selected and treated with different salt concentrations to investigate the relationship between variation of water uptake and sizes of peanut seed under salt stress.The findings revealed that the seed size of different peanut varieties were in a descending order as follows:HY36,HY25,JH13 and HY20.Compared with others,the seed size of HY36 were more even.The water absorption rate of seeds decreased as time went by.The water absorption rate of seeds from the same peanut variety decreased significantly under salt stress.The water absorption of HY20 seeds was the lowest among the four varieties under different salt stress.The correlation analysis between seed types and water absorption rate showed that there was a negative linear correlation between seed mass and water absorption in the peanut of large-grain under salt stress or not.The correlation analysis between seed types and water absorption rate showed that higher mass seeds had higher water absorption rate under the treatment of different salinity.In conclusion,the water absorption rate of the seeds with high mass in peanut varieties of large-grain and the round and full seeds of HY20,which is a variety of small-grain,was relatively small under 0% and 0.15% NaCl treatment.The peanut seeds of small water absorption rate planted in non-saline or low-saline areas were more favorable for saving water.More slender seeds can absorb more water under 0.45% NaCl treatment.Considering of the germination,The slender seeds which have high water absorption were suitable for high-saline areas.The results can provide reference for selection of peanut seeds and improvement of high-yielding cultivation technique of peanut in saline-alkali soil.
引文
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[11]张冠初,丁红,戴良香,等.不同粒重、粒型花生种子吸水规律及萌发特性的研究[J].核农学报,2016,30(2):372-378.
[12]张冠初,丁红,杨吉顺,等.不同花生品种种子形状与吸水速率的研究[J].花生学报,2014,43(4):26-31.
[13]符方平,戴良香,江晨,等.花生种子大小、形状对幼苗生长发育的影响[J].种子,2013,32(6):74-76.
[14]陈四龙,李玉荣,程增书,等.花生品种(系)生物学性状的主成分分析和聚类分析[J].花生学报,2007,36(2):28-34.
[15]SKINNER D Z,BAUCHAN G R,AURICHT G,et al.A method for the efficient management and utilization of large germplasm collections[J].Crop Sci,1999,39:1237-1242.
[16]SNEDECOR G W,COCHRAN W G.Statistical methods[M].7th ed.Ames:Iowa State Univ Press,1980.
[17]UPADHYAYA H D.Variability for drought resistance related traits in the mini core collection of peanut[J].Crop Science,2005,45(4):1432-1440.
[18]JARVIS A,FERGUSON M E,WILLIAMS D E,et al.Biography of wild Arachis:assessing conservation status and setting future priorities[J].Crop Science,2003,43(3):1100-1108.
[19]姚君平,周元富,张延忠.不同类型花生种子萌发需水量和吸水速度的测定[J].中国油料,1983(4):34-36.
[20]张俊,刘娟,臧秀旺,等.不同贮藏方式下花生种子萌发能力及生理变化研究[J].中国农业科技导报,2018,20(6):19-27.
[2]孙验玲,徐远超,李帅,等.玉米耐受盐胁迫的调控机理研究进展[J].山东农业科学,2016,48(11):157-163.
[3]权军利.耐盐相关基因HAL1的作物转化研究[D].杨凌:西北农林科技大学.
[4]张智猛,慈敦伟,丁红,等.花生品种耐盐性指标筛选与综合评价[J].应用生态学报,2013,24(12):3487-3494.
[5]张建成.我国花生原料及制品出口现状和产业发展对策[J].中国食物与营养,2005(1):33-34.
[6]RAJJOU L,DUVAL M,GALLARDO K,et al.Seed germination and vigor[J].Annu Rev Plant Biol,2012,63:507-533.
[7]张岱,杨吉顺,宋文武,等.盐碱土类型对花生种子萌发过程中种子际土壤菌群结构的影响[J].花生学报,2016,45(3):8-15.
[8]李卓杰,傅家瑞.人工老化对花生种子活力与乙烯释放的影响[J].中国油料作物学报,1985(1):33-35.
[9]王才斌,万书波,等.花生生理生态学[M].北京:中国农业出版社,2011:248-249.
[10]聂呈荣,凌菱生.不同种质的花生种子吸水过程观察[J].花生科技,1996(1):15-17.
[11]张冠初,丁红,戴良香,等.不同粒重、粒型花生种子吸水规律及萌发特性的研究[J].核农学报,2016,30(2):372-378.
[12]张冠初,丁红,杨吉顺,等.不同花生品种种子形状与吸水速率的研究[J].花生学报,2014,43(4):26-31.
[13]符方平,戴良香,江晨,等.花生种子大小、形状对幼苗生长发育的影响[J].种子,2013,32(6):74-76.
[14]陈四龙,李玉荣,程增书,等.花生品种(系)生物学性状的主成分分析和聚类分析[J].花生学报,2007,36(2):28-34.
[15]SKINNER D Z,BAUCHAN G R,AURICHT G,et al.A method for the efficient management and utilization of large germplasm collections[J].Crop Sci,1999,39:1237-1242.
[16]SNEDECOR G W,COCHRAN W G.Statistical methods[M].7th ed.Ames:Iowa State Univ Press,1980.
[17]UPADHYAYA H D.Variability for drought resistance related traits in the mini core collection of peanut[J].Crop Science,2005,45(4):1432-1440.
[18]JARVIS A,FERGUSON M E,WILLIAMS D E,et al.Biography of wild Arachis:assessing conservation status and setting future priorities[J].Crop Science,2003,43(3):1100-1108.
[19]姚君平,周元富,张延忠.不同类型花生种子萌发需水量和吸水速度的测定[J].中国油料,1983(4):34-36.
[20]张俊,刘娟,臧秀旺,等.不同贮藏方式下花生种子萌发能力及生理变化研究[J].中国农业科技导报,2018,20(6):19-27.
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