Abstract
Using the transgenic hybrid cotton Hanmian 646 as test material,5 application methods of potassium chloride were set including applied no potassium( CK),applied 25.0 kg / hm2 totally as basal application,applied25.0 kg / hm2 totally as basal application + sprayed 0.3% potassium dihydrogen phosphate to foliar in late,applied12.5 kg / hm2 as basal application + topdressing 12.5 kg / hm2 at flowering period,applied 12.5 kg / hm2 as basal application + topdressing 12.5 kg / hm2 at flowering period + sprayed 0.3% potassium dihydrogen phosphate to foliar in late,under the conditions of same amount of potassium,the effects of different potassium application methods( applied totally as basal application,basal application and topdressing at flowering period accounted for 50%) on the yield of hybrid cotton Hanmian 646 were studied to explore the best potassium application method for implementation of hybrid cotton high yielding.The results showed that under the dosage of 25.0 kg / hm2 conditions,the effect of application method of basal application and topdressing at flowering period accounted for 50% was better than that of single basal application,among them,the best application method was applied 12.5 kg / hm2 as basal application+ topdressing 12.5 kg / hm2 at flowering period + sprayed 0.3% potassium dihydrogen phosphate to foliar in late,under the condition,the disease strain rate of cotton red leaf blight was lowest,and the total boll number,boll weight and yield were the highest,but there were on significant differences with that of applied 12.5 kg / hm2 as basal application +topdressing 12.5 kg / hm2 at flowering period.In the twice fertilization conditions,sprayed potassium to foliar in late had little effect on the yield and yield characters.Therefore,the best potassium application method for hybrid cotton Hanmian 646 was applied 12.5 kg / hm2 as basal application + topdressing 12.5 kg / hm2 at flowering period.
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Claims 5
Claim · model-written summary
Split basal and flowering potassium application outperformed single basal application for yield.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- basal application and topdressing at flowering period accounted for 50%e0
- Outcome
- Yieldt0
- Direction
- bettere0
- Comparator
- single basal applicatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effect of application method of basal application and topdressing at flowering period accounted for 50% was better than that of single basal application”
t0“Effects of Potassium Application Method on the Yield of Transgenic Hybrid Cotton Hanmian 646”
Claim · model-written summary
Split potassium plus a late foliar spray gave the lowest red leaf blight disease strain rate.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- Potassium Application Methodt0
- Outcome
- disease strain rate of cotton red leaf blighte0
- Direction
- loweste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the disease strain rate of cotton red leaf blight was lowest”
t0“Effects of Potassium Application Method on the Yield of Transgenic Hybrid Cotton Hanmian 646”
Claim · model-written summary
Split potassium plus foliar spray gave the highest boll number, weight and yield.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- potassiumt0
- Outcome
- total boll number,boll weight and yielde0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the total boll number,boll weight and yield were the highest”
t0“Potassium Application Method on the Yield of Transgenic Hybrid Cotton Hanmian 646”
Claim · model-written summary
Late foliar potassium had little effect on yield and its components under split fertilization.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- sprayed potassium to foliar in latee0
- Outcome
- yield and yield characterse0
- Direction
- little effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the twice fertilization conditions,sprayed potassium to foliar in late had little effect on the yield and yield characters.”
t0“cotton Hanmian 646”
Claim · model-written summary
The recommended schedule was 12.5 kg/hm2 basal potassium plus 12.5 kg/hm2 at flowering.
Verbatim
e0“the best potassium application method for hybrid cotton Hanmian 646 was applied 12.5 kg / hm2 as basal application + topdressing 12.5 kg / hm2 at flowering period.”
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