Abstract
Viruses induce different external and internal symptoms on plants. Our investigations showed that the occurrence and the appearance of symptoms is a result of interaction of a specific virus and its host plant within concrete conditions of the environment. There are many literature data on the impact of viruses on the cell and its organelles and changes in tissue and organs, their structure and function, but very little data on the quantification of most of these changes. Therefore, in this study we determined some morphometric parameters (internode length, stem height, leaf area and weight) and some anatomical-histometric parameters (leaf thickness, upper and lower epidermis thickness, palisade tissue thickness, spongy tissue thickness, mesophyll thickness, area of upper and lower epidermis cells, area of palisade and spongy parenchyma cells, main nerve height and width and vascular bundle height, width and area of the main nerve) of two varieties of tomato plants (var. Saint Pierre and var. Novosadski jabučar) infected by 746-07 isolate of cucumber mosaic virus (746-07-CMV). The results show that the virus exerted influence on all investigated parameters, with some differences depending on the combination of virus/tomato variety. As a consequence of reduction of internodes length and stem height for both varieties, stagnation in growth occurred in higher percentage for the variety of Novosadski jabučar. Area and thickness of leaves were abortive in growth; they had thinner palisade tissue and its cell surface. From this, one may conclude that the productive ability of plants was reduced.
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Claims 6
Claim · model-written summary
The virus affected all measured tomato morphometric and anatomical parameters, with variety-dependent differences.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- viruse0
- Outcome
- all investigated parameterse0
- Qualifier
- combination of virus/tomato varietye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results show that the virus exerted influence on all investigated parameters, with some differences depending on the combination of virus/tomato variety.”
t0“Solanum lycopersicum L.”
Claim · model-written summary
Internode length and stem height were reduced in both varieties.
- Taxon
- Solanum lycopersicum L.Solanum lycopersicumt0
- Treatment
- Infected by Cucumber Mosaic Virust0
- Interactor
- Cucumber Mosaic Virus
cucumber mosaic cucumovirust0pathogen - Outcome
- internodes length and stem heighte0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduction of internodes length and stem height for both varieties”
t0“Solanum lycopersicum L. Infected by Cucumber Mosaic Virus”
Claim · model-written summary
Growth stagnation was more frequent in Novosadski jabučar.
- Taxon
- Solanum lycopersicum L.Solanum lycopersicumt0
- Material
- Novosadski jabučare0
- Outcome
- stagnation in growthe0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stagnation in growth occurred in higher percentage for the variety of Novosadski jabučar.”
t0“Solanum lycopersicum L.”
Claim · model-written summary
Leaf area and thickness showed abortive growth.
- Taxon
- Solanum lycopersicum L.Solanum lycopersicumt0
- Organ / stage
- leavese0
- Outcome
- Area and thickness of leaves were abortive in growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Area and thickness of leaves were abortive in growth”
t0“Solanum lycopersicum L.”
Claim · model-written summary
Palisade tissue and cell surface were thinner.
- Taxon
- Solanum lycopersicum L.Solanum lycopersicumt0
- Outcome
- palisade tissue and its cell surfacee0
- Direction
- thinnere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“they had thinner palisade tissue and its cell surface.”
t0“Solanum lycopersicum L.”
Claim · model-written summary
The authors inferred reduced productive ability.
- Taxon
- Solanum lycopersicum L.Solanum lycopersicumt0
- Outcome
- productive ability of plantse0
- Direction
- reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“one may conclude that the productive ability of plants was reduced.”
t0“Solanum lycopersicum L.”
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