John A. Barden | Researchain

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Photosynthesis Research | 1981

Seasonal correlations of specific leaf weight to net photosynthesis and dark respiration of apple leaves.

Richard P. Marini; John A. Barden

Specific leaf weight (SLW), net photosynthesis (Pn), and dark respiration (Rd) of apple leaves were monitored for an entire growing season. Leaves were sampled from the canopy interior and periphery to provide a range of SLW. Leaf Pnwas linearly correlated with SLW until mid-August, when Pnbegan to decline. During September the relationship between SLW and Pnwas a quadratic. Leaf Rdand SLW were linearly correlated throughout the season. Leaf Pnand Rdwere significantly correlated through most of the season, but the relationship was not always linear. Specific leaf weight appears to be a reliable index of the previous light environment of a leaf, but use to estimate Pnis probably limited to the first half of the season, because of increased variation after mid-August.

Journal of The American Society for Horticultural Science | 2002

Effect of apple rootstocks on average 'Gala' fruit weight at four locations after adjusting for crop load

Richard P. Marini; John A. Barden; John A. Cline; R. L. Perry; Terence Robinson

Journal of The American Society for Horticultural Science | 1979

Rootstock does not affect net photosynthesis, dark respiration, specific leaf weight, and transpiration of apple leaves

John A. Barden; D. C. Ferree

Journal of The American Society for Horticultural Science | 1992

Maturity and Quality of `Delicious' Apples as Influenced by Rootstock

John A. Barden; Michele E. Marini

Hortscience | 1980

Net photosynthesis and dark respiration of apple leaves are not affected by shoot detachment.

John A. Barden; J. M. Love; P. J. Porpiglia; Richard P. Marini; J. D. Caldwell

Acta Horticulturae | 1997

Performance of Gala' at year 5 with eight apple rootstocks in an 8-location north American NC-140 trial

B. H. Barritt; John A. Barden; John A. Cline; R. L. Granger; Mosbah M. Kushad; Richard P. Marini; Michael L. Parker; R. L. Perry; Terence L. Robinson; C. R. Unrath; M. A. Dilley

Journal of The American Pomological Society | 2000

Performance of the 1984 NC-140 Cooperative Peach Rootstock Planting

R. L. Perry; Gregory L. Reighard; David C. Ferree; John A. Barden; T. Beckman; G. Brown; J. Cummins; E. Durner; G. M. Greene; S. Johnson; R. Layne; F. Morrison; S. C. Myers; W. R. Okie; C. R. Rom; R. C. Rom; B. Taylor; D. Walker; Michele R. Warmund; K. C. Yu

Hortscience | 1998

Growth and Cropping of Young Apple Trees as Affected by Heading and Support of the Central Leader

John A. Barden; Richard P. Marini

Fruit Varieties Journal | 2001

Performance of 'Gala' apple on eight dwarf rootstocks: Ten-year summary of the 1990 NC-140 rootstock trial

Richard P. Marini; B. H. Barritt; John A. Barden; John A. Cline; R. L. Granger; Mosbah M. Kushad; Michael L. Parker; R. L. Perry; Terence L. Robinson; S. Khanizadeh; C. R. Unrath

Journal of The American Pomological Society | 2001

Performance of ten apple orchard systems: Ten-year summary of the 1990 NC-140 systems trial

Richard P. Marini; B. H. Barritt; John A. Barden; John A. Cline; Emily Hoover; R. L. Granger; Mosbah M. Kushad; Michael L. Parker; R. L. Perry; Terence L. Robinson; S. Khanizadeh; C. R. Unrath

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