Abstract
Abstract The main crops on which plastic mulch is widely used in Mexico include tomato, bell pepper, eggplant, melons, watermelons, and strawberry; however, very little research has been performed on potato. One of the main benefits associated with plastic mulching is the modification of the microclimate around the plant. To obtain a positive microclimate modification studies are required to understand how plastic mulch affects growth and yield of a given species. Previous field research assessing the response to colored plastic mulching in potato shows no consistent results on yield, maybe because it has been performed under different geographical latitudes. Potato in Mexico is conventionally cultivated on bare soil combined with various irrigation systems. The objective of the present study was to examine the effect of colored plastic mulches on soil temperature, growth, yield and photosynthetic response of potato plants. The experiment was conducted in Northeast Mexico and the treatments included were: black plastic mulch (BPM); white-on-black plastic mulch (W/B), silver-on-black (SPM), aluminum-on-black plastic mulch (APM) and a control that consisted of bare soil cultivated plants. Treatments were arranged in a randomized complete block design with four replications. Results suggest that average daily mean soil temperature was linearly and negatively correlated with total yield and yield of first-quality tubers. Total yield and yield of first-quality tubers of plants mulched with W/B, SPM and APM was significantly higher (p≤0.05) than those of control plants. Leaf area and shoot dry weight were increased when soil temperatures were higher due to the effect of radiation transmission to the soil, however, this decrease was associated with a decrease in tuber production. The results of our study indicate that plants grown under BPM, which induced the highest soil temperature, showed marginal difference in yield compared with control plants, suggesting that colored plastic mulches have a positive effect on yield through decreased rise in soil temperature.
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Claims 9
Claim · model-written summary
Higher mean soil temperature correlated negatively with total yield and first-quality tuber yield.
- Taxon
- potato
Solanum tuberosumt0 - Outcome
- total yield and yield of first-quality tuberse0
- Direction
- negatively correlatede0
- Setting
- soil temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“average daily mean soil temperature was linearly and negatively correlated with total yield and yield of first-quality tubers”
t0“potato”
Claim · model-written summary
W/B mulch significantly increased total and first-quality tuber yield compared with bare soil.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- W/Be0
- Outcome
- Total yield and yield of first-quality tuberse0
- Direction
- highere0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total yield and yield of first-quality tubers of plants mulched with W/B, SPM and APM was significantly higher (p≤0.05) than those of control plants”
t0“potato”
Claim · model-written summary
SPM mulch significantly increased total and first-quality tuber yield compared with bare soil.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- SPMe0
- Outcome
- Total yield and yield of first-quality tuberse0
- Direction
- highere0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total yield and yield of first-quality tubers of plants mulched with W/B, SPM and APM was significantly higher (p≤0.05) than those of control plants”
t0“potato”
Claim · model-written summary
APM mulch significantly increased total and first-quality tuber yield compared with bare soil.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- APMe0
- Outcome
- Total yield and yield of first-quality tuberse0
- Direction
- highere0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total yield and yield of first-quality tubers of plants mulched with W/B, SPM and APM was significantly higher (p≤0.05) than those of control plants”
t0“potato”
Claim · model-written summary
Higher soil temperatures increased leaf area and shoot dry weight.
- Taxon
- potatoSolanum tuberosumt0
- Outcome
- Leaf area and shoot dry weighte0
- Direction
- increasede0
- Setting
- soil temperaturese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf area and shoot dry weight were increased when soil temperatures were higher”
t0“potato”
Claim · model-written summary
The higher soil temperature was associated with decreased tuber production.
- Taxon
- potatoSolanum tuberosumt0
- Outcome
- tuber productione0
- Direction
- decreasee0
- Qualifier
- this decreasee0
Not reportedSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this decrease was associated with a decrease in tuber production”
t0“potato”
Claim · model-written summary
BPM induced the highest soil temperature.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- BPMe0
- Outcome
- soil temperaturee0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plants grown under BPM, which induced the highest soil temperature”
t0“potato”
Claim · model-written summary
BPM yield differed only marginally from the control.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- BPMe0
- Outcome
- yielde0
- Direction
- marginal differencee0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plants grown under BPM, which induced the highest soil temperature, showed marginal difference in yield compared with control plants”
t0“photosynthetic response of potato plants”
Claim · model-written summary
The authors infer colored mulches benefit yield by limiting soil temperature rise.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- colored plastic mulchese0
- Outcome
- yielde0
- Qualifier
- through decreased rise in soil temperaturee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“colored plastic mulches have a positive effect on yield through decreased rise in soil temperature”
t0“potato”
The same questions in other papers
mulching · yield · Solanum tuberosum (potato)Results differ
56 papers in the same direction as this paper · 7 in the opposite direction
- positive
- positive
- positive
60 papers more in this group
See all 64 papers →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.