|Table of Contents|

Effects of Spraying Microelement on Physiology and Biochemistry During Leafcolor Transformation in Photinia serrulata Leaves

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年07
Page:
77-75
Research Field:
Publishing date:

Info

Title:
Effects of Spraying Microelement on Physiology and Biochemistry During Leafcolor Transformation in Photinia serrulata Leaves
Author(s):
LI PengYING JianiSHAN YuxingCHEN RuyiSUN Xiaohong
(Yuanpei College,Shaoxing University,Shaoxing,Zhejiang 312000)
Keywords:
microelementPhotinia serrulataanthocyaninenzyme activity
PACS:
-
DOI:
10.11937/bfyy.20182724
Abstract:
Photinia serrulata was used as the test material,the variation of anthocyanin and the relevant biosynthesis enzymes in P.serrulata leaves was investigated after spraying the leaves with microelement (Mn,Zn,Fe,B).The results indicated that the content of anthocyanins in leaves was not significantly different in each treatment in the beginning of treatments.The content of anthocyanin was increased after third spraying with spraying 0.4% Mn,0.6% B and 0.6% Fe.And the anthocyanins content had extremely significantly positive correlation with B,Mn and Fe content.There had no effect on anthocyanin in P.serrulata leaves spraying Zn.Several enzymes in anthocyanin synthesis were affected by different microelement treatments.Among phenylalanine ammonialyase (PAL),chalcone isomerase (CHI),dihydroflavonol 4-reductase (DFR) and UDP glucose flavonoid glucosyltransferase(UFGT),the change of DFR and CHII activities were basically consistent with anthocyanin.PAL activity was the most significantly promoted by 0.2% Fe solution and 0.2% Zn solution.4% P,0.2% Mn and 0.2% Zn had the most significant effect on the CHI activity.The DFR and CHI activities after spraying B and Fe,and the activities were significantly higher than CK,which suggested DFR and CHI initiated the synthesis of anthocyanins.

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Last Update: 2019-05-05