Abstract
The influence of water deficiency on apple (Malus domestica Borkh.) rootstocks was investigated at the Lithuanian Institute of Horticulture in 2005. Trial was conducted with 10 rootstocks: Antonowka seedling, MM.106, M.26, B.118, M.9, P 60, P 59, P 2, B.396, and P 22 under three soil moisture regimes. After an initial period of growth under well-watered conditions the amount of irrigation was gradually reduced in order to simulate natural drying in the soil. Biometric indices – assimilation area, fresh and dry weight of leaves, shoots and roots were measured after 5 weeks of the experiment. Moderate drought stress suppressed the accumulation of fresh and dry weight in all investigated rootstocks, except seedling rootstock, where accumulation of fresh and dry weight was induced. Moderate drought also induced the growth of leaves of seedling rootstock, MM 106, and P 59. Severe drought negatively affected the accumulation of fresh and dry weight of all apple rootstocks. Reduction to 50% was determined in comparison to control plants. Severe drought induced premature leaves senescence and shedding. Water stress altered partitioning of dry mass, especially under severe drought stress. Higher allocation of total plant dry weight into shoots and roots instead of leaves was observed under severe drought stress. According to fresh and dry weight accumulation, P 22, B.118, P 60 and seedling rootstocks were the most drought resistant. M.26, M.9, P 2 and B.396 rootstocks were the most... [to full text]
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Claims 8
Claim · model-written summary
Moderate drought suppressed fresh and dry weight accumulation in most rootstocks.
- Taxon
- apple (Malus domestica Borkh.)
Malus domesticae1 - Treatment
- Moderate drought stresse0
- Outcome
- accumulation of fresh and dry weighte0
- Direction
- suppressede0
- Qualifier
- except seedling rootstocke0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moderate drought stress suppressed the accumulation of fresh and dry weight in all investigated rootstocks, except seedling rootstock”
e1“apple (Malus domestica Borkh.)”
Claim · model-written summary
Moderate drought induced fresh and dry weight accumulation in the seedling rootstock.
- Taxon
- apple (Malus domestica Borkh.)Malus domesticae1
- Material
- seedling rootstocke0
- Treatment
- Moderate drought stresse0
- Outcome
- accumulation of fresh and dry weighte0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moderate drought stress suppressed the accumulation of fresh and dry weight in all investigated rootstocks, except seedling rootstock, where accumulation of fresh and dry weight was induced.”
e1“apple (Malus domestica Borkh.)”
Claim · model-written summary
Moderate drought induced leaf growth in seedling rootstock, MM 106, and P 59.
- Taxon
- apple (Malus domestica Borkh.)Malus domesticae1
- Treatment
- Moderate droughte0
- Outcome
- growth of leavese0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Moderate drought also induced the growth of leaves of seedling rootstock, MM 106, and P 59.”
e1“apple (Malus domestica Borkh.)”
Claim · model-written summary
Severe drought reduced fresh and dry weight accumulation by 50% in all apple rootstocks versus controls.
- Taxon
- appleMalus domesticae0
- Treatment
- Severe droughte0
- Outcome
- accumulation of fresh and dry weighte0
- Direction
- Reductione0
- Value
- 50%e0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Severe drought negatively affected the accumulation of fresh and dry weight of all apple rootstocks. Reduction to 50% was determined in comparison to control plants.”
Claim · model-written summary
Severe drought induced premature leaf senescence and shedding.
- Taxon
- apple (Malus domestica Borkh.)Malus domesticae1
- Treatment
- Severe droughte0
- Outcome
- premature leaves senescence and sheddinge0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Severe drought induced premature leaves senescence and shedding.”
e1“apple (Malus domestica Borkh.)”
Claim · model-written summary
Water stress altered dry mass partitioning, especially under severe drought.
- Taxon
- apple (Malus domestica Borkh.)Malus domesticae1
- Treatment
- Water stresse0
- Outcome
- partitioning of dry masse0
- Qualifier
- especially under severe drought stresse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Water stress altered partitioning of dry mass, especially under severe drought stress.”
e1“apple (Malus domestica Borkh.)”
Claim · model-written summary
Severe drought increased dry weight allocation to shoots and roots instead of leaves.
- Taxon
- apple (Malus domestica Borkh.)Malus domesticae1
- Treatment
- severe drought stresse0
- Outcome
- allocation of total plant dry weight into shoots and rootse0
- Direction
- Highere0
- Comparator
- leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher allocation of total plant dry weight into shoots and roots instead of leaves was observed under severe drought stress.”
e1“apple (Malus domestica Borkh.)”
Claim · model-written summary
P 22, B.118, P 60 and seedling rootstocks were most drought resistant by weight accumulation.
- Taxon
- apple (Malus domestica Borkh.)Malus domesticae1
- Outcome
- most drought resistante0
- Qualifier
- According to fresh and dry weight accumulatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“According to fresh and dry weight accumulation, P 22, B.118, P 60 and seedling rootstocks were the most drought resistant.”
e1“apple (Malus domestica Borkh.)”
The same questions in other papers
drought · growth · Malus domestica (apple)Positive and negative results
5 papers in the same direction as this paper · 23 in the opposite direction
- negative
- negative
- negative
25 papers more in this group
See all 29 papers →drought · quality: postharvest · Malus domestica (apple)Results agree
2 papers in the same direction as this paper
- negative
- negative
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.