Abstract
To effectively control cassava soil insects,occurrence regularity and control technology of cassava major soil insects grub and Dorysthenes granulosus were studied.The results showed that,one generation of grub occurred at least 1a,its adults often emergenced in 6～8 months and after raining each year in Hainan and Guangxi.The sloping fields,sandy fields,cassava cropping fields,sugarcane crop rotation fields and peanut intercropping fields were infectee more harmful by grub in the condition of high temperature and drought.One generation of D.granulosus occurred at least 2～3 a,its adults often emergenced in 4～6 months and after raining each year in Hainan and Guangxi.The sloping fields,sandy fields,cassava cropping fields,sugarcane crop rotation fields and peanut intercropping fields were suffered more harmful from D.granulosus in the condition of high temperature and drought.When planting,soaking the stems with the water mixture 48% chlorpyrifos EC 1 000 times and 1.8% mixture of abamectin EC 2 000 times after 5-10 min were to improve significantly germination rate,decrease insect-damage rate and increase production rate.Trapping of pits in soil were very effective to grub and D.granulosus.Saochongguang was not only very effective to control grub and D.granulosus,but also promoted the development of cassava plants and increase production.Furthermore,integrated control technology of soaking the stems,trapping of pits in soil,soil treatment with insecticide and reasonable rotation was very effective to control grub and D.granulosus,insect-damage rate significantly decreased from 45.6% of CK to 4.2% and its production significantly increased from 16.92 ton/ha to 49.96 ton/ha.The results above will be much helpful to sustainable control cassava pests.
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Claims 13
Claim · model-written summary
Grub generations occurred at intervals of at least 1a, with adults emerging in 6～8 months and after rain in Hainan and Guangxi.
- Taxon
- Cassava
Manihot esculentat0 - Interactor
- grube0pest
- Outcome
- one generation of grube0
- Value
- 1ae0
- Qualifier
- 6～8 months and after raining each yeare0
- Setting
- Hainan and Guangxie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cassava”
e0“one generation of grub occurred at least 1a,its adults often emergenced in 6～8 months and after raining each year in Hainan and Guangxi.”
Claim · model-written summary
Grub caused greater harm in sloping, sandy, cassava, sugarcane rotation and peanut intercropping fields under heat and drought.
- Taxon
- CassavaManihot esculentat0
- Interactor
- grube0pest
- Outcome
- more harmful by grube0
- Direction
- more harmfule0
- Qualifier
- high temperature and droughte0
- Setting
- sloping fields,sandy fields,cassava cropping fields,sugarcane crop rotation fields and peanut intercropping fieldse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cassava”
e0“The sloping fields,sandy fields,cassava cropping fields,sugarcane crop rotation fields and peanut intercropping fields were infectee more harmful by grub in the condition of high temperature and drought.”
Claim · model-written summary
D. granulosus generations occurred at intervals of at least 2～3 a, with adults emerging in 4～6 months and after rain in Hainan and Guangxi.
- Taxon
- CassavaManihot esculentat0
- Interactor
- D.granulosus
_(3248393214).jpg?width=60)
Dorysthenes granulosuse0pest - Outcome
- one generation of D.granulosuse0
- Value
- 2～3 ae0
- Qualifier
- 4～6 months and after raining each yeare0
- Setting
- Hainan and Guangxie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_(3248393214).jpg?width=500)
Verbatim
t0“Cassava”
e0“One generation of D.granulosus occurred at least 2～3 a,its adults often emergenced in 4～6 months and after raining each year in Hainan and Guangxi.”
Claim · model-written summary
D. granulosus caused greater harm in sloping, sandy, cassava, sugarcane rotation and peanut intercropping fields under heat and drought.
- Taxon
- CassavaManihot esculentat0
- Interactor
- D.granulosusDorysthenes granulosuse0pest
- Outcome
- more harmful from D.granulosuse0
- Direction
- more harmfule0
- Qualifier
- high temperature and droughte0
- Setting
- sloping fields,sandy fields,cassava cropping fields,sugarcane crop rotation fields and peanut intercropping fieldse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cassava”
e0“The sloping fields,sandy fields,cassava cropping fields,sugarcane crop rotation fields and peanut intercropping fields were suffered more harmful from D.granulosus in the condition of high temperature and drought.”
Claim · model-written summary
Insecticide soaking of cassava stems significantly improved germination rate.
- Taxon
- CassavaManihot esculentat0
- Treatment
- soaking the stems with the water mixture 48% chlorpyrifos EC 1 000 times and 1.8% mixture of abamectin EC 2 000 timese0
- Outcome
- germination ratee0
- Direction
- improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cassava”
e0“soaking the stems with the water mixture 48% chlorpyrifos EC 1 000 times and 1.8% mixture of abamectin EC 2 000 times after 5-10 min were to improve significantly germination rate,decrease insect-damage rate and increase production rate.”
Claim · model-written summary
Insecticide soaking of cassava stems decreased insect damage rate.
- Taxon
- CassavaManihot esculentat0
- Treatment
- soaking the stems with the water mixture 48% chlorpyrifos EC 1 000 times and 1.8% mixture of abamectin EC 2 000 timese0
- Outcome
- insect-damage ratee0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cassava”
e0“soaking the stems with the water mixture 48% chlorpyrifos EC 1 000 times and 1.8% mixture of abamectin EC 2 000 times after 5-10 min were to improve significantly germination rate,decrease insect-damage rate and increase production rate.”
Claim · model-written summary
Insecticide soaking of cassava stems increased production rate.
- Taxon
- CassavaManihot esculentat0
- Treatment
- soaking the stems with the water mixture 48% chlorpyrifos EC 1 000 times and 1.8% mixture of abamectin EC 2 000 timese0
- Outcome
- production ratee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cassava”
e0“soaking the stems with the water mixture 48% chlorpyrifos EC 1 000 times and 1.8% mixture of abamectin EC 2 000 times after 5-10 min were to improve significantly germination rate,decrease insect-damage rate and increase production rate.”
Claim · model-written summary
Soil pit traps were very effective against grub and D. granulosus.
- Taxon
- CassavaManihot esculentat0
- Treatment
- Trapping of pits in soile0
- Interactor
- grube0pest
- Second interactor
- D.granulosusDorysthenes granulosuse0pest
- Outcome
- very effective to grub and D.granulosuse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cassava”
e0“Trapping of pits in soil were very effective to grub and D.granulosus.”
Claim · model-written summary
Saochongguang effectively controlled grub and D. granulosus.
- Taxon
- cassavaManihot esculentae0
- Treatment
- Saochongguange0
- Interactor
- grube0pest
- Second interactor
- D.granulosusDorysthenes granulosuse0pest
- Outcome
- control grub and D.granulosuse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cassava”
e0“Saochongguang was not only very effective to control grub and D.granulosus,but also promoted the development of cassava plants and increase production.”
Claim · model-written summary
Saochongguang promoted cassava plant development.
- Taxon
- cassavaManihot esculentae0
- Treatment
- Saochongguange0
- Outcome
- development of cassava plantse0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Saochongguang was not only very effective to control grub and D.granulosus,but also promoted the development of cassava plants and increase production.”
Claim · model-written summary
Saochongguang increased cassava production.
- Taxon
- cassavaManihot esculentae0
- Treatment
- Saochongguange0
- Outcome
- productione0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Saochongguang was not only very effective to control grub and D.granulosus,but also promoted the development of cassava plants and increase production.”
Claim · model-written summary
Integrated control reduced cassava insect damage from 45.6% in CK to 4.2%.
- Taxon
- CassavaManihot esculentat0
- Treatment
- integrated control technology of soaking the stems,trapping of pits in soil,soil treatment with insecticide and reasonable rotatione0
- Interactor
- grube0pest
- Second interactor
- D.granulosusDorysthenes granulosuse0pest
- Outcome
- insect-damage ratee0
- Direction
- decreasede0
- Value
- 4.2%e0
- Qualifier
- 45.6%e0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cassava”
e0“integrated control technology of soaking the stems,trapping of pits in soil,soil treatment with insecticide and reasonable rotation was very effective to control grub and D.granulosus,insect-damage rate significantly decreased from 45.6% of CK to 4.2%”
Claim · model-written summary
Integrated control increased cassava production from 16.92 to 49.96 ton/ha.
- Taxon
- CassavaManihot esculentat0
- Treatment
- integrated control technology of soaking the stems,trapping of pits in soil,soil treatment with insecticide and reasonable rotatione0
- Outcome
- productione0
- Direction
- increasede0
- Value
- 49.96 ton/hae0
- Qualifier
- 16.92 ton/hae0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cassava”
e0“integrated control technology of soaking the stems,trapping of pits in soil,soil treatment with insecticide and reasonable rotation was very effective to control grub and D.granulosus,insect-damage rate significantly decreased from 45.6% of CK to 4.2% and its production significantly increased from 16.92 ton/ha to 49.96 ton/ha.”
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