CAJ | 학술논문

高温往往伴随着干旱，在众多影响粮食产量的因素中，高温和干旱被认为是主要的环境胁迫因子。受全球气候变暖影响，大范围持续性干旱成为农业生产的最严重威胁。复合胁迫通常会出现协同效应或拮抗效应，而水稻对高温干旱复合胁迫响应的独特机理尚未明确。为此，分析了高温以及干旱单因子对水稻产量、品质及剑叶生理特性的影响，并归纳了高温干旱双因子对水稻的双重胁迫效应，以往研究表明水稻响应高温干旱双重胁迫的方式可能存在两种表现：一是当2种胁迫同时出现，水稻生理会受到严重影响，伤害甚至会比2个单一因子伤害相加严重；二是当2种胁迫先后出现时，水稻会经过一个适应逆境过程，从而减低后续胁迫的伤害。
고온왕왕반수착간한，재음다영향양식산량적인소중，고온화간한피인위시주요적배경협박인자。수전구기후변난영향，대범위지속성간한성위농업생산적최엄중위협。복합협박통상회출현협동효응혹길항효응，이수도대고온간한복합협박향응적독특궤리상미명학。위차，분석료고온이급간한단인자대수도산량、품질급검협생리특성적영향，병귀납료고온간한쌍인자대수도적쌍중협박효응，이왕연구표명수도향응고온간한쌍중협박적방식가능존재량충표현：일시당2충협박동시출현，수도생리회수도엄중영향，상해심지회비2개단일인자상해상가엄중；이시당2충협박선후출현시，수도회경과일개괄응역경과정，종이감저후속협박적상해。
High temperature is often accompanied with drought and they are especially considered as key stress factors with high potential impact on crop yield in numerous abiotic stresses. Nowadays, a wide range of persistent drought had become the most serious threat to agricultural production because of the global warming. Combined stress will usually appear synergistic effect or antagonistic effect, the unique mechanism of rice response to the combined stress of high temperature and drought has not been understood. In this paper the effects of the single factor of the high temperature or drought on yield, grain quality and physiological characteristic of flag leaves had been introduced, and the influences of combined stress of the high temperature and drought on rice had been summarized. There might be two ways of the rice responded to the combined stress of high temperature and drought. One was that the physiological activities of rice would be hurt seriously, even more than the sum of the effects by the two single-factor when the two stress appeared simultaneously, the other was that the rice would achieved the resistance by the process to adapt the first adversity, thereby reducing the injury of subsequent stress when the two stress factors were applied one by one.