Abstract
Internal Bark Necrosis(IBN)of apple tree is a kind of physiological disease,which is developing in Jiaodong and Liaodong peniinsula of China recently.Many researches showed that IBN of apple trees were caused by manganese toxicity,and accompanied with Fe deficiency.In order to control IBN effectively,different iron fertilizers which including TL,Yelukang,Gentie No 1,BASF(0.3%)and FCU(0.3%) were used in apple orchard with heavy IBN in Yantai.The results showed that the iron and chlorophyll content were raised,Fe/Mn ratio was increased,and the manganese content was decreased after different iron fertilizers were used.Therefore,the degree of IBN was decreased,but the control effects were different with various iron fertilizers.Among the 5 iron fertilizers,TL root soaking is the best in short period,and Gentie No 1 is the best In long period.
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Claims 7
Claim · model-written summary
Iron and chlorophyll content of apple trees were raised after applying different iron fertilizers.
- Taxon
- apple tree
Malus domesticat0 - Treatment
- different iron fertilizerse2
- Outcome
- iron and chlorophyll contente1
- Direction
- raisede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“APPLE TREE INTERNAL BARK NECROSIS”
e1“the iron and chlorophyll content were raised”
e2“after different iron fertilizers were used”
Claim · model-written summary
Fe/Mn ratio of apple trees increased after applying different iron fertilizers.
- Taxon
- apple tree
Malus domesticat0 - Treatment
- different iron fertilizerse2
- Outcome
- Fe/Mn ratioe3
- Direction
- increasede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“APPLE TREE INTERNAL BARK NECROSIS”
e2“after different iron fertilizers were used”
e3“Fe/Mn ratio was increased”
Claim · model-written summary
Manganese content of apple trees decreased after applying different iron fertilizers.
- Taxon
- apple tree
Malus domesticat0 - Treatment
- different iron fertilizerse2
- Outcome
- manganese contente4
- Direction
- decreasede4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“APPLE TREE INTERNAL BARK NECROSIS”
e2“after different iron fertilizers were used”
e4“the manganese content was decreased”
Claim · model-written summary
The degree of internal bark necrosis decreased after applying different iron fertilizers.
- Taxon
- apple tree
Malus domesticat0 - Treatment
- different iron fertilizerse2
- Outcome
- degree of IBNe5
- Direction
- decreasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“APPLE TREE INTERNAL BARK NECROSIS”
e2“after different iron fertilizers were used”
e5“the degree of IBN was decreased”
Claim · model-written summary
The control effects on internal bark necrosis differed among the various iron fertilizers.
- Taxon
- apple tree
Malus domesticat0 - Outcome
- control effectse6
- Qualifier
- different with various iron fertilizerse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“APPLE TREE INTERNAL BARK NECROSIS”
e6“but the control effects were different with various iron fertilizers”
Claim · model-written summary
Among the five iron fertilizers, TL root soaking gave the best control of internal bark necrosis in the short period.
- Taxon
- apple tree
Malus domesticat0 - Treatment
- TL root soakinge7
- Outcome
- best in short periode7
- Direction
- beste7
- Comparator
- the 5 iron fertilizerse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“APPLE TREE INTERNAL BARK NECROSIS”
e7“TL root soaking is the best in short period”
e0“Among the 5 iron fertilizers”
Claim · model-written summary
Among the five iron fertilizers, Gentie No 1 gave the best control of internal bark necrosis in the long period.
- Taxon
- apple tree
Malus domesticat0 - Treatment
- Gentie No 1e7
- Outcome
- best In long periode7
- Direction
- beste7
- Comparator
- the 5 iron fertilizerse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“APPLE TREE INTERNAL BARK NECROSIS”
e0“Among the 5 iron fertilizers”
e7“Gentie No 1 is the best In long period”
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