Abstract
The effects of fertilizer rate and composition on growth and fruiting of ‘Misty’ and ‘Star’ southern highbush blueberry were evaluated in a containerized production system using pine bark medium. Two fertilizer analyses (12N–1.8P–46.6K and 12N–5.2P–9.9K) and three fertilizer rates were used. Plant growth and fruiting were unaffected by fertilizer analysis. Growth and fruit yield of ‘Star’ increased linearly with increasing fertilizer rate. For ‘Misty’, plant growth and yield were reduced at the highest fertilizer rate as a result of a high incidence of blueberry stem blight associated with that treatment. Flower bud density was highest for the ‘Misty’ plants receiving the high fertilizer rate and this may have resulted in excessive fruit set leading to stress-induced blueberry stem blight. Optimum fertilizer rates for young southern highbush blueberry plants grown in containerized pine bark systems appear to be cultivar-specific and similar to fertilizer requirements in soil culture.
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Claims 6
Claim · model-written summary
Growth and fruit yield of Star increased linearly with increasing fertilizer rate.
- Taxon
- southern highbush blueberrye1
- Material
- Stare3
- Treatment
- increasing fertilizer ratee3
- Outcome
- Growth and fruit yielde3
- Direction
- increasede3
- Qualifier
- linearlye3
- Setting
- containerized production systeme1
Not reportedComparator
Verbatim
e1“southern highbush blueberry were evaluated in a containerized production system”
e3“Growth and fruit yield of ‘Star’ increased linearly with increasing fertilizer rate”
Claim · model-written summary
Plant growth and fruiting were unaffected by fertilizer analysis.
- Taxon
- southern highbush blueberrye1
- Treatment
- fertilizer analysise2
- Outcome
- Plant growth and fruitinge2
- Direction
- unaffectede2
Not reportedComparator
Verbatim
e1“southern highbush blueberry were evaluated in a containerized production system”
e2“Plant growth and fruiting were unaffected by fertilizer analysis”
Claim · model-written summary
For Misty, plant growth and yield were reduced at the highest fertilizer rate by a high incidence of stem blight.
- Taxon
- southern highbush blueberrye1
- Material
- Mistye4
- Treatment
- highest fertilizer ratee4
- Outcome
- plant growth and yielde4
- Direction
- reducede4
- Qualifier
- as a result of a high incidence of blueberry stem blighte4
Not reportedComparator
Verbatim
e1“southern highbush blueberry were evaluated in a containerized production system”
e4“For ‘Misty’, plant growth and yield were reduced at the highest fertilizer rate as a result of a high incidence of blueberry stem blight associated with that treatment”
Claim · model-written summary
Flower bud density was highest for Misty plants at the high fertilizer rate.
- Taxon
- southern highbush blueberrye1
- Material
- Mistye5
- Treatment
- high fertilizer ratee5
- Outcome
- Flower bud densitye5
- Direction
- higheste5
Not reportedComparator
Verbatim
e1“southern highbush blueberry were evaluated in a containerized production system”
e5“Flower bud density was highest for the ‘Misty’ plants receiving the high fertilizer rate”
Claim · model-written summary
High flower bud density may have led to excessive fruit set and stress-induced stem blight.
Verbatim
e1“southern highbush blueberry were evaluated in a containerized production system”
e6“this may have resulted in excessive fruit set leading to stress-induced blueberry stem blight”
Claim · model-written summary
Optimum fertilizer rates for young containerized southern highbush blueberry are cultivar-specific and similar to soil culture requirements.
Verbatim
e7“Optimum fertilizer rates for young southern highbush blueberry plants grown in containerized pine bark systems appear to be cultivar-specific and similar to fertilizer requirements in soil culture”
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