Abstract
The effects of root cutting in different depths on root system distribution,senescence character and yield of peanut were studied by using the box culture method. The results showed that: Moderate root-cutting could control the root system growth too fast at early stage and delay the root dry weight decreased at late stage. Especially,it promoted the root growth in deep soil and increased the proportion of middle and lower segment of root system.Moderate root-cutting would reduce root senescence by delaying the occurring time of the maximum of root vigor,superoxide dismutase( SOD),peroxidase( POD) activity and the rate of decline of them. And moderate root-cutting would reduce the malondialdehyde( MDA) content in root system of each soil layer. Moderate root-cutting could improve significantly valid pods,pod yield,seed yield,but excessive root-cutting did not have this effect. This research suggested that the moderate depth of root-cutting was between 10 to 15 cm.
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Claims 8
Claim · model-written summary
Moderate root-cutting slowed root system growth at the early stage of peanut.
- Taxon
- Peanut
Arachis hypogaeat0 - Organ / stage
- root systeme1
- Treatment
- Moderate root-cuttinge1
- Outcome
- root system growthe1
- Direction
- decreaseinferrede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield of Peanut”
e1“Moderate root-cutting could control the root system growth too fast at early stage and delay the root dry weight decreased at late stage”
Claim · model-written summary
Moderate root-cutting delayed the decrease in root dry weight at the late stage of peanut.
- Taxon
- PeanutArachis hypogaeat0
- Treatment
- Moderate root-cuttinge1
- Outcome
- root dry weight decreasede1
- Direction
- delaye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield of Peanut”
e1“Moderate root-cutting could control the root system growth too fast at early stage and delay the root dry weight decreased at late stage”
Claim · model-written summary
Moderate root-cutting promoted root growth in deep soil of peanut.
- Taxon
- PeanutArachis hypogaeat0
- Organ / stage
- roote2
- Treatment
- Moderate root-cuttinge1
- Outcome
- root growth in deep soile2
- Direction
- promotede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield of Peanut”
e1“Moderate root-cutting could control the root system growth too fast at early stage and delay the root dry weight decreased at late stage”
e2“it promoted the root growth in deep soil and increased the proportion of middle and lower segment of root system”
Claim · model-written summary
Moderate root-cutting increased the proportion of middle and lower segments of the peanut root system.
- Taxon
- PeanutArachis hypogaeat0
- Treatment
- Moderate root-cuttinge1
- Outcome
- proportion of middle and lower segment of root systeme2
- Direction
- increasede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield of Peanut”
e1“Moderate root-cutting could control the root system growth too fast at early stage and delay the root dry weight decreased at late stage”
e2“it promoted the root growth in deep soil and increased the proportion of middle and lower segment of root system”
Claim · model-written summary
Moderate root-cutting reduced root senescence in peanut by delaying the time of maximum root vigor, SOD and POD activity.
- Taxon
- PeanutArachis hypogaeat0
- Treatment
- Moderate root-cuttinge3
- Outcome
- root senescencee3
- Direction
- reducee3
- Qualifier
- delaying the occurring time of the maximum of root vigore3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield of Peanut”
e3“Moderate root-cutting would reduce root senescence by delaying the occurring time of the maximum of root vigor,superoxide dismutase( SOD),peroxidase( POD) activity and the rate of decline of them”
Claim · model-written summary
Moderate root-cutting reduced malondialdehyde (MDA) content in the root system of each soil layer of peanut.
- Taxon
- PeanutArachis hypogaeat0
- Organ / stage
- root systeme4
- Treatment
- moderate root-cuttinge4
- Outcome
- malondialdehyde( MDA) contente4
- Direction
- reducee4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield of Peanut”
e4“moderate root-cutting would reduce the malondialdehyde( MDA) content in root system of each soil layer”
Claim · model-written summary
Moderate root-cutting improved valid pods, pod yield and seed yield of peanut, whereas excessive root-cutting did not.
- Taxon
- PeanutArachis hypogaeat0
- Treatment
- Moderate root-cuttinge5
- Outcome
- valid pods,pod yield,seed yielde5
- Direction
- improvee5
- Comparator
- excessive root-cuttinge5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield of Peanut”
e5“Moderate root-cutting could improve significantly valid pods,pod yield,seed yield,but excessive root-cutting did not have this effect”
Claim · model-written summary
The authors recommend a root-cutting depth of 10 to 15 cm for peanut.
- Taxon
- PeanutArachis hypogaeat0
- Treatment
- root-cuttinge6
- Outcome
- moderate depth of root-cuttinge6
- Value
- 10 to 15 cme6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Yield of Peanut”
e6“the moderate depth of root-cutting was between 10 to 15 cm”