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“decrease in density”

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Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Brushing begun at the first or second true leaf stage achieved significant height control in tomato.

Taxon: tomatoSolanum lycopersicume1
Organ / stage: first or second true leaf stagee5
Treatment: treatments were begun at the first or second true leaf stagee5
Outcome: height controle5
Direction: decreaseinferrede5

Not reportedComparator

Verbatim

e1
“Brushing was applied to tomato (Lycopersicon esculentum) seedlings growing at a density of 2100 plants m-2 by daily stroking with a piece of polystyrene.”
✓ located verbatim in the source · abstract, characters 201–354

e5
“Significant height control was achieved if treatments were begun at the first or second true leaf stage, but treatments begun at a later stage of development resulted in leaf damage.”
✓ located verbatim in the source · abstract, characters 671–853

Title

COMMERCIAL ADAPTATIONS OF MECHANICAL STIMULATION FOR THE CONTROL OF TRANSPLANT GROWTH

L. Garner; F. Allen Langton; T. Björkman Acta Horticulturae 1997. doi:10.17660/actahortic.1997.435.21

Other claims from this paper (13)

Intervention effect Ten or twenty daily strokes provided significant height control in tomato seedlings without plant damage.
Intervention effect Brushing intervals of up to 10 minutes gave the same height control in tomato as continuous brushing.
Intervention effect Treating tomato plants at 0800 or at 1700 hours produced no differences.
Intervention effect Brushing begun at a later stage of development caused leaf damage in tomato.
Intervention effect Brushing before transplanting to the field significantly decreased stem elongation of tomato by about 20%.
Intervention effect Brushed and unbrushed tomato plants showed no significant differences in long-term growth or final fruit yield after transplanting to the field.
Observation In geranium and impatiens, reductions in plant stature were associated with significant plant damage.
Intervention effect Brushing induced a prostrate growth habit and leaf distortion in petunia.
Intervention effect Brushing significantly reduced leaf area and shoot dry weight of petunia.
Intervention effect Pansy plants were undamaged by 10 or 20 brush strokes per day.
Intervention effect Brushing significantly decreased petiole length of pansy by 17–22%.
Intervention effect Brushing typically had no significant effects on leaf area, dry weight or days to flower of pansy.
Recommendation Brushing is an effective method for controlling tomato and pansy transplant size without adversely affecting quality or long-term growth.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Late sowing in October lost many white lupin plants or destroyed the crops, relative to early-September sowing.

Taxon: white lupine0
Treatment: sown in late Octobere2
Outcome: plantse2
Direction: decreaseinferrede2
Qualifier: lost many plants or were destroyed completelye2
Comparator: sown in early Septembere1

Verbatim

e0
“of the white lupin ( Lupinus albus ) were examined in three contrasting growing seasons between 1991 and 1994”
✓ located verbatim in the source · abstract, characters 233–342

e1
“Crops established well when sown in early September and were sufficiently cold-hardy to survive prolonged and extremely severe early winter frosts”
✓ located verbatim in the source · abstract, characters 344–490

e2
“but crops sown in late October either lost many plants or were destroyed completely”
✓ located verbatim in the source · abstract, characters 492–575

Title

Effects of sowing date and planting density on the structure and yield of autumn-sown, florally-determinate white lupins (Lupinus albus) in the United Kingdom

I. Shield; H. J. Stevenson; J. E. Leach; et al. The Journal of Agricultural Science 1996. doi:10.1017/s0021859600077960

Other claims from this paper (10)

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.

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