Search claims · PlantClaims

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Higher planting density decreased branch number and leaf area per plant.

Taxon: PotatoSolanum tuberosumt0
Treatment: Increase in planting densitye0
Outcome: number of branches and the leaf area per plante0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Increase in planting density caused the main stem length to increase and the number of branches and the leaf area per plant to decrease”
✓ located verbatim in the source · abstract, characters 226–361

t0
“Potato”
✓ located verbatim in the source · title, characters 20–26

Title

Growth and Yield of Potato Cultivars in Spring Cropping. I. Plant morphology, growth, assimilate partitioning and yield under two planting densities.

Hemal Dhammike FONSEKA; Koh-ichiro ASANUMA; Akihito KUSUTANI; et al. Japanese Journal of Crop Science 1996. doi:10.1626/jcs.65.269

Other claims from this paper (14)

Intervention effect Higher planting density increased main stem length.
Intervention effect Higher density did not affect stolon growth or stolon number per plant.
Intervention effect Higher density decreased the percentage of productive stolons.
Observation All cultivars showed upward trends in CGR, NAR, and TGR over the experiment at both densities.
Observation All cultivars showed an upward trend in EAR at both densities.
Intervention effect High density produced higher TGR and EAR earlier than low density.
Intervention effect Higher density decreased leaf, stem, and tuber dry weights per plant.
Intervention effect Higher density increased dry weights per unit area.
Intervention effect High density increased the share of dry matter partitioned to tubers.
Intervention effect High density increased total and marketable tuber yield per unit area.
Intervention effect High density decreased tuber yield per plant in all three cultivars.
Intervention effect High density reduced average tuber and marketable tuber weights.
Observation Dejima outyielded the other cultivars.
Recommendation Dejima is expected to have a higher optimum density range for marketable tubers than Irish Cobbler and May Queen.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

At the higher inoculum density, the yield of main-sized tubers decreased.

Taxon: potatoSolanum tuberosume1
Treatment: higher density of inoculume0
Interactor: Rhizoctonia solaniRhizoctonia solanie1pathogen
Outcome: yield of main‐sized tuberse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“there was a shift in the size distribution, with a decrease in the yield of main‐sized tubers and an increase in the yield of baker‐ and oversized tubers at the higher density of inoculum”
✓ located verbatim in the source · abstract, characters 1131–1318

e1
“diseases caused by Rhizoctonia solani on different parts of potato plants”
✓ located verbatim in the source · abstract, characters 22–95

Title

Relationships between stem canker, stolon canker, black scurf ( Rhizoctonia solani ) and yield of potato ( Solanum tuberosum ) under different agronomic conditions

S. A. SIMONS; C. A. GILLIGAN Plant Pathology 1997. doi:10.1046/j.1365-3059.1997.d01-54.x

Other claims from this paper (7)

Intervention effectauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

The fumigants were concluded to decrease the density of the pathogen in soil and wilt incidence in the field.

Taxon: potatoSolanum tuberosume0
Treatment: these chemicalse4
Interactor: pathogene4pathogen
Outcome: density of the pathogen in soil and wilt incidence in the fielde4
Direction: decreasinge4

Not reportedComparator

Verbatim

e0
“All of the chemicals evaluated in field experiments, chloropicrin, D-D (1, 3-dichloropropene), MITC (methyl isothiocyanate), a mixture of D-D and MITC, metam-ammonium, DCIP (2, 2-dichlorodiisopropyl ether), and a mixture of chloropicrin and DCIP were effective for control of potato bacterial wilt caused by Pseudomonas solanacearum”
✓ located verbatim in the source · abstract, characters 0–332

e4
“Results of the exposure test indicate that these chemicals have a direct effect in decreasing the density of the pathogen in soil and wilt incidence in the field”
✓ located verbatim in the source · abstract, characters 750–911

Title

Evaluation of some fumigants for control of potato bacterial wilt caused by Pseudomonas solanacearum.

Katsumi KATAYAMA; Takao GOTO; Tsutomu UEMATSU; et al. Kyushu Plant Protection Research 1991. doi:10.4241/kyubyochu.37.3

Other claims from this paper (9)

Intervention effect The evaluated soil fumigants were effective for controlling potato bacterial wilt caused by Pseudomonas solanacearum in field experiments.
Intervention effect Chloropicrin injection at 300 l/ha was highly effective in controlling potato bacterial wilt.
Intervention effect D-D injection at 400 l/ha was highly effective in controlling potato bacterial wilt.
Intervention effect A mixture of chloropicrin and DCIP at 300 l/ha was highly effective in controlling potato bacterial wilt.
Intervention effect In treated plots the numbers of P. solanacearum in soil decreased.
Intervention effect Chloropicrin at 0.5 mg/l had a direct sterilizing effect on the cultured pathogen in a 48 hour exposure test.
Intervention effect MITC at 5 mg/l had a direct sterilizing effect on the cultured pathogen in a 48 hour exposure test.
Intervention effect D-D at 10 mg/l had a direct sterilizing effect on the cultured pathogen in a 48 hour exposure test.
Intervention effect DCIP at 10 mg/l had a direct sterilizing effect on the cultured pathogen in a 48 hour exposure test.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

At the higher inoculum density, the yield of baker- and oversized tubers increased.

Taxon: potatoSolanum tuberosume1
Treatment: higher density of inoculume0
Interactor: Rhizoctonia solaniRhizoctonia solanie1pathogen
Outcome: yield of baker‐ and oversized tuberse0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“there was a shift in the size distribution, with a decrease in the yield of main‐sized tubers and an increase in the yield of baker‐ and oversized tubers at the higher density of inoculum”
✓ located verbatim in the source · abstract, characters 1131–1318

e1
“diseases caused by Rhizoctonia solani on different parts of potato plants”
✓ located verbatim in the source · abstract, characters 22–95

Title

Relationships between stem canker, stolon canker, black scurf ( Rhizoctonia solani ) and yield of potato ( Solanum tuberosum ) under different agronomic conditions

S. A. SIMONS; C. A. GILLIGAN Plant Pathology 1997. doi:10.1046/j.1365-3059.1997.d01-54.x

Other claims from this paper (7)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Verticillium dahliae negatively affected the final population density of P. scribneri.

Taxon: potatoSolanum tuberosume0
Treatment: V. dahliaee5
Interactor: P. scribneriPratylenchus scribnerie5pathogen
Second interactor: V. dahliaeVerticillium dahliaee5pathogen
Outcome: final population density of P. scribnerie5
Direction: decreaseinferrede5
Setting: Microplotse0

Not reportedComparator

Verbatim

e0
“Microplots were infested with combinations of the fungus Verticillium dahliae and Pratylenchus penetrans and P. scribneri to test for individual and combined effects of these organisms on potato yield and nematode reproduction.”
✓ located verbatim in the source · abstract, characters 0–227

e5
“reproduction of P. scribneri was decreased by V. dahliae in 1987-88. The final population density of P. scribneri was negatively affected by V. dahliae and positively related to the initial proportion of P. scribneri to P. penetrans”
✓ located verbatim in the source · abstract, characters 785–1017

Title

Interactions Among Pratylenchus penetrans, P. scribneri, and Verticillium dahliae in the Potato Early Dying Disease Complex.

T A Wheeler; R M Riedel PubMed 1994

Other claims from this paper (12)

Intervention effect Verticillium dahliae alone caused potato yield losses in all three years.
Observation The interaction between P. penetrans and V. dahliae was significant in two years.
Intervention effect Pratylenchus penetrans alone caused potato yield losses in two years.
Intervention effect P. scribneri alone caused potato yield losses in one year.
Observation No two-way or three-way interaction involving P. scribneri was found on potato.
Intervention effect In 1987, reproduction of low-density P. penetrans was five times higher with P. scribneri present than absent.
Intervention effect In 1988, reproduction of low-density P. penetrans was 3.5 times higher with P. scribneri present than absent.
Intervention effect Verticillium dahliae decreased reproduction of P. scribneri in 1987-88.
Association Final population density of P. scribneri was positively related to its initial proportion relative to P. penetrans.
Intervention effect Verticillium dahliae negatively affected reproduction of P. penetrans in mixtures with P. penetrans proportions of 0.1 to 0.5.
Association Reproduction of P. penetrans decreased linearly as its initial proportion increased in mixtures.
Intervention effect Final population density of P. penetrans was affected only by Verticillium dahliae.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Verticillium dahliae negatively affected reproduction of P. penetrans in mixtures with P. penetrans proportions of 0.1 to 0.5.

Taxon: potatoSolanum tuberosume0
Treatment: V. dahliaee6
Interactor: P. penetransPratylenchus penetranse6pathogen
Second interactor: V. dahliaeVerticillium dahliaee6pathogen
Outcome: reproduction of P. penetranse6
Direction: decreaseinferrede6
Qualifier: species mixtures with proportions of P. penetrans ranging from 0.1 to 0.5e6
Setting: Microplotse0

Not reportedComparator

Verbatim

e0
“Microplots were infested with combinations of the fungus Verticillium dahliae and Pratylenchus penetrans and P. scribneri to test for individual and combined effects of these organisms on potato yield and nematode reproduction.”
✓ located verbatim in the source · abstract, characters 0–227

e6
“In species mixtures with proportions of P. penetrans ranging from 0.1 to 0.5, reproduction of P. penetrans was negatively affected by V. dahliae and decreased linearly in relation to the increase in the initial proportion of P. penetrans in both years. The final population density of P. penetrans was affected only by V. dahliae”
✓ located verbatim in the source · abstract, characters 1019–1348

Title

Interactions Among Pratylenchus penetrans, P. scribneri, and Verticillium dahliae in the Potato Early Dying Disease Complex.

T A Wheeler; R M Riedel PubMed 1994

Other claims from this paper (12)

Intervention effect Verticillium dahliae alone caused potato yield losses in all three years.
Observation The interaction between P. penetrans and V. dahliae was significant in two years.
Intervention effect Pratylenchus penetrans alone caused potato yield losses in two years.
Intervention effect P. scribneri alone caused potato yield losses in one year.
Observation No two-way or three-way interaction involving P. scribneri was found on potato.
Intervention effect In 1987, reproduction of low-density P. penetrans was five times higher with P. scribneri present than absent.
Intervention effect In 1988, reproduction of low-density P. penetrans was 3.5 times higher with P. scribneri present than absent.
Intervention effect Verticillium dahliae decreased reproduction of P. scribneri in 1987-88.
Intervention effect Verticillium dahliae negatively affected the final population density of P. scribneri.
Association Final population density of P. scribneri was positively related to its initial proportion relative to P. penetrans.
Association Reproduction of P. penetrans decreased linearly as its initial proportion increased in mixtures.
Intervention effect Final population density of P. penetrans was affected only by Verticillium dahliae.

“decrease in density”

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