Abstract
A peanut field trial on application techonlogy of Steinernema longicaudum BPS for chafer grub control had been conducted to attest the potential of nematode BPS using for pest control in crop fields,and to see the possibility of peanut pesticide free production.The result showed that the dosage of 5000 IJs/plant was the best one among the 8 dosages,the average of injured legume(3.1%)with BPS was significant lower than that of 40%isofenphos-methyl solution(9.0%)and than that of tap water(53.2%).The rate of grub decrease(95.7%)and the dry weight of peanut(5941.5 kg/ha)with BPS were significant different(P0.05)to that of with 40%isofenphos-methyl solution(82.7%,303.8 kg).The application of BPS was better with irrigation than with spray.At the dosage of 5000 IJs/plant,the combination of BPS and Rhabditis sp.(4500:500)did not show conflictive,coordinate or synergistic effect to grub control.The results indicated that nematode BPS as a bio-control agent has both effects of chafer grub control and peanut yield increase.
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Claims 5
Claim · model-written summary
At 5000 IJs per plant, BPS produced 3.1% injured peanut legumes, below chemical insecticide at 9.0% and tap water at 53.2%.
- Taxon
- Peanut
Arachis hypogaeat0 - Treatment
- 5000 IJs/plante0
- Outcome
- injured legumee0
- Direction
- lowere0
- Value
- 3.1%e0
- Qualifier
- 9.0%e0
- Comparator
- 40%isofenphos-methyl solutione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the dosage of 5000 IJs/plant was the best one among the 8 dosages,the average of injured legume(3.1%)with BPS was significant lower than that of 40%isofenphos-methyl solution(9.0%)and than that of tap water(53.2%)”
t0“Peanut Fields”
Claim · model-written summary
BPS achieved a 95.7% grub decrease, compared with 82.7% under isofenphos-methyl.
- Taxon
- PeanutArachis hypogaeat0
- Treatment
- BPSe0
- Outcome
- grub decreasee0
- Direction
- decreasee0
- Value
- 95.7%e0
- Qualifier
- 82.7%e0
- Comparator
- 40%isofenphos-methyl solutione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate of grub decrease(95.7%)and the dry weight of peanut(5941.5 kg/ha)with BPS were significant different(P0.05)to that of with 40%isofenphos-methyl solution(82.7%,303.8 kg).”
t0“Peanut Fields”
Claim · model-written summary
Peanut dry weight with BPS was 5941.5 kg/ha and differed significantly from insecticide treatment.
- Taxon
- peanutArachis hypogaeae0
- Treatment
- BPSe0
- Outcome
- dry weight of peanute0
- Value
- 5941.5 kg/hae0
- Comparator
- 40%isofenphos-methyl solutione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The rate of grub decrease(95.7%)and the dry weight of peanut(5941.5 kg/ha)with BPS were significant different(P0.05)to that of with 40%isofenphos-methyl solution(82.7%,303.8 kg).”
Claim · model-written summary
BPS application with irrigation performed better than spraying.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The application of BPS was better with irrigation than with spray.”
t0“Peanut Fields”
Claim · model-written summary
Combining BPS with Rhabditis sp. showed no interaction effect for grub control.
- Taxon
- PeanutArachis hypogaeat0
- Treatment
- the combination of BPS and Rhabditis sp.(4500:500)e0
- Outcome
- grub controle0
- Direction
- did not showe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the dosage of 5000 IJs/plant,the combination of BPS and Rhabditis sp.(4500:500)did not show conflictive,coordinate or synergistic effect to grub control.”
t0“Peanut Fields”