Abstract
Field experiments were conducted using two rice genotypes with differential root activity. The genotype, TNRH 180 rice hybrid performed better with higher root activity than the variety PMK (R) 3 in both dry and summer season. Connecting irrigation methods, sub-surface drip irrigation at 125 % PE water level treatment maintained enhanced root activity at all the phenophases studied. The grain filling rate was positively correlated with root activity expressed as α-naphthylamine oxidation ability (RA) per gram of fresh root (RA ), RA per spikelet (RA grain RA per sink capacity (RA). It is inferred that RA could be an effective parameter that can be sink grain altered to improve grain filling and test weight in rice for enhanced productivity in surface and sub-surface drip irrigated conditions.
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Claims 4
Claim · model-written summary
Rice hybrid TNRH 180 had higher root activity than variety PMK (R) 3 in dry and summer seasons
- Taxon
- rice
Oryza sativat0 - Material
- TNRH 180e1
- Outcome
- root activitye1
- Direction
- highere1
- Comparator
- variety PMK (R) 3e1
- Setting
- dry and summer seasone1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Aerobic Rice”
e1“The genotype, TNRH 180 rice hybrid performed better with higher root activity than the variety PMK (R) 3 in both dry and summer season”
Claim · model-written summary
Sub-surface drip irrigation at 125 % PE water level enhanced root activity at all phenophases studied
- Taxon
- riceOryza sativat0
- Treatment
- sub-surface drip irrigation at 125 % PE water levele2
- Outcome
- root activitye2
- Direction
- enhancede2
- Qualifier
- at all the phenophases studiede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Aerobic Rice”
e2“sub-surface drip irrigation at 125 % PE water level treatment maintained enhanced root activity at all the phenophases studied”
Claim · model-written summary
Grain filling rate was positively correlated with root activity in surface and sub-surface drip irrigated conditions
- Taxon
- riceOryza sativat0
- Outcome
- grain filling ratee3
- Direction
- positivelye3
- Setting
- surface and sub-surface drip irrigated conditionse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Aerobic Rice”
e3“The grain filling rate was positively correlated with root activity”
e4“in surface and sub-surface drip irrigated conditions”
Claim · model-written summary
Root activity could be an effective parameter to improve grain filling and test weight in rice
- Taxon
- riceOryza sativat0
- Outcome
- grain filling and test weighte5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Aerobic Rice”
e5“It is inferred that RA could be an effective parameter that can be sink grain altered to improve grain filling and test weight in rice”
The same questions in other papers
irrigation · growth · Oryza sativa (rice)Positive and negative results
221 papers in the same direction as this paper · 62 in the opposite direction · 7 reporting no difference from an alternative
- negative
- negative
- negative
287 papers more in this group
See all 291 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.