Abstract
The purpose of this paper is to study the activity of peroxidase(POD),indoleacetic acid oxidase(IAAO) and polyphenol oxidase(PPO),as well as,the content of soluble protein of the leaves of two ornamental Lupins varieties,Minaretie and Russell Prize,in vitro.The result showed that POD activity of two species had two peaks.POD activity increased and reached their first peak at the 5th day,and then they decreased slightly following an increasing at the 10th day till reached Russell Prize′s second peak at the 15th day,Minaretie′s at 20th day.The activity of IAAO and PPO had opposite trends.IAAO activity showed increasing-declining trend,while PPO activity showed declining-increasing trend of two species.The content of soluble protein was declined as a whole.The study also considered that rooting processes could be divided into three phases: root primordial inducing,adventitious root expressing and adventitious root elongating.During the phase of root primordial inducing,POD and IAAO activity was increasing to induce root primordial.POD and IAAO activities were declining,as well as PPO activity and the content of soluble protein at a higher level was conducive to root growth and development.
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Claims 9
Claim · model-written summary
POD activity in both varieties showed two peaks, first on day 5.
Verbatim
e0“POD activity of two species had two peaks.POD activity increased and reached their first peak at the 5th day”
t0“ornamental Lupins”
Claim · model-written summary
Russell Prize POD activity reached its second peak on day 15.
Not reportedDirection
Verbatim
e0“Russell Prize′s second peak at the 15th day”
e1“POD activity increased”
t0“ornamental Lupins”
Claim · model-written summary
Minaretie POD activity reached its second peak on day 20.
Not reportedDirection
Verbatim
e0“Minaretie′s at 20th day”
e1“POD activity increased”
t0“ornamental Lupins”
Claim · model-written summary
IAAO activity rose then fell in both varieties.
Verbatim
e0“IAAO activity showed increasing-declining trend”
t0“ornamental Lupins”
Claim · model-written summary
PPO activity fell then rose in both varieties.
Verbatim
e0“PPO activity showed declining-increasing trend of two species”
t0“ornamental Lupins”
Claim · model-written summary
Soluble protein content declined overall.
Verbatim
e0“The content of soluble protein was declined as a whole”
t0“ornamental Lupins”
Claim · model-written summary
Rooting was divided into three phases of primordium induction, adventitious root expression and elongation.
Verbatim
e0“rooting processes could be divided into three phases: root primordial inducing,adventitious root expressing and adventitious root elongating”
t0“ornamental Lupins”
Claim · model-written summary
Increasing POD and IAAO activity was considered to induce root primordia.
Verbatim
e0“POD and IAAO activity was increasing to induce root primordial”
t0“ornamental Lupins”
Claim · model-written summary
Lower POD and IAAO activities with higher PPO activity and soluble protein content were considered conducive to root growth.
- Taxon
- ornamental Lupinst0
- Gene
- POD and IAAOe0
- Outcome
- root growth and developmente0
- Qualifier
- was conducivee0
Not reportedDirection
Verbatim
e0“POD and IAAO activities were declining,as well as PPO activity and the content of soluble protein at a higher level was conducive to root growth and development”
t0“ornamental Lupins”