Effects of N-(1-Naphthaleacetyl)-N′-(2-Carboxy phenyl) Thiourea(NCT) on Senescent Physiological Activities of Wheat

doi:10.3321/j.issn:1000-7091.2002.03.007

Abstract

Abstract: A series of solutions were made with newly synthesized N-(1-Naphthaleacetyl)-Nc-(2-Carboxy phenyl)Thiourea,which were used to spray upon wheat leaves at grain filling stage.The comparat ive treatments were carried out using NAA with the same concentrations as NCT and fresh water as control.The results were as follows: NCT throug hfoliage spraying could regulate the senescent process of winter wheat.It could suppress chlorophyll.sdegrading,keep the activity of SOD at high level,and decrease the membrane lipid peroxidation in later growing stage,so as to delay the functional leaf senescence.The grain weight per spike and thousand kernel weight of NCT treatments were strikingly higher than those of other treatments.Total effects of NCT were markedly better than those of NAA.

Key words: Triticum aestivum L, NCT, Relat ive conductivity, SOD activity, Chlorophyll content, MDA content , Grain spike weight , Thousand kernel weight

CLC Number:

S512

LIU Ping, LIU Hai ying, SHANG Yulei, QI Fuguo. Effects of N-(1-Naphthaleacetyl)-N′-(2-Carboxy phenyl) Thiourea(NCT) on Senescent Physiological Activities of Wheat[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2002, 17(3): 33-36. doi: 10.3321/j.issn:1000-7091.2002.03.007.

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