黑龙江八一农垦大学学报
黑龍江八一農墾大學學報
흑룡강팔일농은대학학보
Journal of Heilongjiang August First Land Reclamation University
2015年
5期
52-55,86
,共5页
柯希望%徐鹏%殷丽华%王志辉%张盼盼%刁静静%左豫虎%郑殿峰
柯希望%徐鵬%慇麗華%王誌輝%張盼盼%刁靜靜%左豫虎%鄭殿峰
가희망%서붕%은려화%왕지휘%장반반%조정정%좌예호%정전봉
红小豆%褪黑素%叶绿素含量%叶绿素荧光参数
紅小豆%褪黑素%葉綠素含量%葉綠素熒光參數
홍소두%퇴흑소%협록소함량%협록소형광삼수
adzuki bean%melatonin%chlorophyll content%maximum potential photosystem II efficiency
为了明确褪黑素对红小豆叶片衰老的延缓作用,为提高红小豆产量和品质提供理论依据,试验分别采用2、20、200μg·mL-1浓度的褪黑素处理离体的红小豆复叶,用SPAD502手持式叶绿素仪和OSp+叶绿素荧光仪分别于处理后第0、2、4、6、8 d测定各处理叶片的叶绿素含量和光系统Ⅱ最大光化学效率(Fv/Fm)。结果表明,褪黑素处理的红小豆叶片中叶绿素含量和Fv/Fm明显高于对照,且随着褪黑素浓度的升高作用效果呈上升趋势。说明褪黑素可有效维持叶片中叶绿素的含量及叶片光系统II的完整性,进而推迟红小豆叶片的衰老进程。
為瞭明確褪黑素對紅小豆葉片衰老的延緩作用,為提高紅小豆產量和品質提供理論依據,試驗分彆採用2、20、200μg·mL-1濃度的褪黑素處理離體的紅小豆複葉,用SPAD502手持式葉綠素儀和OSp+葉綠素熒光儀分彆于處理後第0、2、4、6、8 d測定各處理葉片的葉綠素含量和光繫統Ⅱ最大光化學效率(Fv/Fm)。結果錶明,褪黑素處理的紅小豆葉片中葉綠素含量和Fv/Fm明顯高于對照,且隨著褪黑素濃度的升高作用效果呈上升趨勢。說明褪黑素可有效維持葉片中葉綠素的含量及葉片光繫統II的完整性,進而推遲紅小豆葉片的衰老進程。
위료명학퇴흑소대홍소두협편쇠로적연완작용,위제고홍소두산량화품질제공이론의거,시험분별채용2、20、200μg·mL-1농도적퇴흑소처리리체적홍소두복협,용SPAD502수지식협록소의화OSp+협록소형광의분별우처리후제0、2、4、6、8 d측정각처리협편적협록소함량화광계통Ⅱ최대광화학효솔(Fv/Fm)。결과표명,퇴흑소처리적홍소두협편중협록소함량화Fv/Fm명현고우대조,차수착퇴흑소농도적승고작용효과정상승추세。설명퇴흑소가유효유지협편중협록소적함량급협편광계통II적완정성,진이추지홍소두협편적쇠로진정。
The potential effects of melatonin on delay leaf senescence of adzuki bean were tested in the current study,which could be benefit to improve the quality and yields of adzuki bean. Detached compound leaves were treated with 2,20 and 200 μg·mL-1 melatonin solutions,respectively. The chlorophyll content and the maximum potential photosystem II efficiency(Fv/Fm)were detected by using the SPAD502 and OSp+ after 0,2,4,6 and 8 days treatment,respectively. The results showed that both of chlorophyll content and Fv/Fm of leaves by the melatonin treatment were significantly higher than the control,and the effect was positively correlated with its concentrations. It was suggested that the melatonin could delay adzuki bean leaf senescence by slowing down the chlorophyll content decrease and maintaining the photosystem II function.