Abstract
The effects of Cd stress on the physiological characteristics of maize were studied.The results show that when maize grows normally,the resistance of maize against Cd is strong.The indexes of chlorophyll content and peroxide(enzyme) increase firstly at 0.2mg/L,0.5mg/L,1.0mg/L of Cd.The maximum stimulating concentration of Cd is 1.0mg/L and the toxicity concentration is 5.0mg/L.With the prolong of time and accumulation of Cd,the chlorophyll (content) decreases gradually,the activity of root falls and resumes,and the free proline increases and drops,indicating that the resistance of maize is strong and the poisons of Cd is restricted by the factors of time and its concentration.The(dissociate) proline changes obviously,it may be as a guide line of some plants against heavy metal.
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Claims 8
Claim · model-written summary
Chlorophyll content and peroxidase index first increased in maize at 0.2, 0.5 and 1.0 mg/L Cd.
- Treatment
- 0.2mg/L,0.5mg/L,1.0mg/L of Cde1
- Outcome
- chlorophyll content and peroxide(enzyme)e1
- Direction
- increasee1
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Cd stress on the physiological characteristics of maize”
e1“The indexes of chlorophyll content and peroxide(enzyme) increase firstly at 0.2mg/L,0.5mg/L,1.0mg/L of Cd”
Claim · model-written summary
The maximum stimulating concentration of Cd for maize was 1.0 mg/L.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Cd stress on the physiological characteristics of maize”
e2“The maximum stimulating concentration of Cd is 1.0mg/L”
Claim · model-written summary
The toxicity concentration of Cd for maize was 5.0 mg/L.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Cd stress on the physiological characteristics of maize”
e3“the toxicity concentration is 5.0mg/L”
Claim · model-written summary
Chlorophyll content in maize decreased gradually with prolonged time and accumulation of Cd.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Cd stress on the physiological characteristics of maize”
e4“With the prolong of time and accumulation of Cd,the chlorophyll (content) decreases gradually”
Claim · model-written summary
Root activity fell and then resumed with prolonged time and accumulation of Cd.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Cd stress on the physiological characteristics of maize”
e4“With the prolong of time and accumulation of Cd,the chlorophyll (content) decreases gradually”
e5“the activity of root falls and resumes”
Claim · model-written summary
Free proline in maize increased and then dropped with prolonged time and accumulation of Cd.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Cd stress on the physiological characteristics of maize”
e4“With the prolong of time and accumulation of Cd,the chlorophyll (content) decreases gradually”
e6“the free proline increases and drops”
Claim · model-written summary
Maize resistance to Cd was strong when the plants grew normally.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Cd stress on the physiological characteristics of maize”
e7“when maize grows normally,the resistance of maize against Cd is strong”
Claim · model-written summary
Proline changed obviously under Cd stress in maize.
- Outcome
- proline changese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Effects of Cd stress on the physiological characteristics of maize”
e1“The(dissociate) proline changes obviously”