CAJ | 학술논문

本文研究了不同浓度甘露醇（MA）对海水胁迫下冬小麦种子萌发及幼苗生长的影响。我们采用不同浓度的甘露醇溶液处理海水胁迫的小麦种子及幼苗,记录小麦种子发芽率、发芽势及发芽指数并在幼苗生长期测定幼苗相关生理指标。结果表明低浓度甘露醇（≤0.5mmol/L）可提高种子的发芽率、发芽势及发芽指数,高浓度的甘露醇溶液（〉1mmol/L）对种子的萌发有抑制作用,一定浓度的甘露醇溶液（≤1mmol/L）可以提高海水胁迫下幼苗的叶绿素含量,降低游离脯氨酸（Pro）和游离丙二醛（MDA）含量,并可通过分析结果观察施加海水胁迫与甘露醇后叶绿素、类胡萝卜素、脯氨酸（Pro）和丙二醛（MDA）的含量随时间在冬小麦幼苗中的积累情况。低浓度的甘露醇对海水胁迫下的冬小麦萌发及幼苗生长具有一定的保护作用,为缓解农业生产中的盐害问题提供了新的思路。本研究为小麦的盐渍化土壤种植提供了新思路,并为甘露醇进一步开发利用于农业提供了一定的理论依据。
본문연구료불동농도감로순（MA）대해수협박하동소맥충자맹발급유묘생장적영향。아문채용불동농도적감로순용액처리해수협박적소맥충자급유묘,기록소맥충자발아솔、발아세급발아지수병재유묘생장기측정유묘상관생리지표。결과표명저농도감로순（≤0.5mmol/L）가제고충자적발아솔、발아세급발아지수,고농도적감로순용액（〉1mmol/L）대충자적맹발유억제작용,일정농도적감로순용액（≤1mmol/L）가이제고해수협박하유묘적협록소함량,강저유리포안산（Pro）화유리병이철（MDA）함량,병가통과분석결과관찰시가해수협박여감로순후협록소、류호라복소、포안산（Pro）화병이철（MDA）적함량수시간재동소맥유묘중적적루정황。저농도적감로순대해수협박하적동소맥맹발급유묘생장구유일정적보호작용,위완해농업생산중적염해문제제공료신적사로。본연구위소맥적염지화토양충식제공료신사로,병위감로순진일보개발이용우농업제공료일정적이론의거。
In this paper,the effect of different concentration of mannitol solution on wheat germination and seedling growth under seawater stress were investigated.We used seawater and different concentration of mannitol solution treat wheat seed and the seedlings,and record the seed germinate rate,germinate force and germination index,and analyze associated physiological indicators in the seedling growth stage.The results of the wheat germination showed：Low concentration of mannitol （≤0.5 mmol/L） can increase wheat seed germinate rate,germinate force and germination index,high concentration of mannitol （1 mmol/L） can decrease wheat germination in reverse.In the seedling experiment,we found that a certain concentration of mannitol solution （≤1 mmol/L） can improve chlorophyll content,decreased free proline （Pro） content,while reducing free malondialdehyde （MDA） content in wheat seedlings under seawater stress.Meanwhile we can see the accumulation of chlorophyll,carotenoid,proline （Pro） and malondialdehyde （MDA） in wheat seedling over time.Low concentration of mannitol can protect wheat germination and its seedling growth under seawater stress to a certain extent.And that must provide a new idea to solve the problem of salt damage in agricultural production.This study provided a new idea of wheat in saline soil cultivation and a theoretical basis on further development and utilization of mannitol in agriculture.