[PDF][PDF] Firmness Measurement of StoredDelicious' Apples by Sensory Methods, Magness-Taylor, and Sonic Transmission

JA Abbott, HA Affeldt, LA Liljedahl - Journal of the American …, 1992 - journals.ashs.org
… apple to a small aluminum pedestal attached to the vibrator (Affeldt and Abbott, 1989). A
time-… Affeldt, HA and JA Abbott. 1989. Apple firmness and sensory quality using contact acoustic …

Response of the greenhouse whitefly (Homoptera: Aleyrodidae) and the vegetable leafminer (Diptera: Agromyzidae) to photospectra

HA Affeldt, RW Thimijan, FF Smith… - Journal of Economic …, 1983 - academic.oup.com
Spectral reflectance measurements were conducted on six series of color pigments to determine
the photo tactic sensitivity level of the greenhouse whitefly, Trialeurodes vaporariorum (…

SPECTROPHOTOMETRIC STUDY OF BRUISES ON WHOLE,'RED DELICIOUS'APPLES

BL Upchurch, HA Affeldt, WR Hruschka… - Transactions of the …, 1990 - elibrary.asabe.org
Spectrophotometric studies were conducted to investigate the diffuse reflectance in the 400
to 1000 nanometer (nm) wavelength region for bruised and nonbruised areas on whole 'Red …

A new shaker for fruit and nut trees

HA Affeldt Jr, GK Brown, JB Gerrish - Journal of Agricultural Engineering …, 1989 - Elsevier
Bark damage at the point of shaker attachment has become a major concern with the
widespread use of mechanical harvesters for fruits and nuts. The dynamic displacements of a …

Optical detection of bruises and early frost damage on apples

BL Upchrch, HA Affeldt, WR Hruschka… - Transactions of the …, 1991 - elibrary.asabe.org
Diffuse reflectance in the 400 to 1012 nanometer (nm) region was measured on blemished
and nonblemished areas of whole 'Empire' apples. The 'Empire' variety is a multi-colored fruit …

Habitat preference of an herbivore shapes the habitat distribution of its host plant

…, AD Gloss, J Lee, J Frazier, HA Affeldt III… - …, 2018 - Wiley Online Library
Plant distributions can be limited by habitat‐biased herbivory, but the proximate causes of
such biases are rarely known. Distinguishing plant‐centric from herbivore‐centric …

Apple firmness and sensory quality using contact acoustic transmission.

HAJ Affeldt, JA Abbott - 1989 - cabidigitallibrary.org
A rapid, nondestructive method for evaluating selected sensory attributes of apples was
developed employing sonic transmission. Red Delicious apples from packing houses in 4 states …

Potential methods for detecting pits in tart cherries

…, PV Gilliland, GK Brown, HA Affeldt - Applied Engineering in …, 1991 - elibrary.asabe.org
Approximately 98% of the US tart cherry crop is pitted and processed into canned, frozen,
and dried fruit or made into juice. US Grade A pitted tart cherries are currently allowed to …

Relative dynamic displacements within a trunk shaker clamp

HA Affeldt, DE Marshall, GK Brown - Transactions of the ASAE, 1988 - elibrary.asabe.org
DYNAMIC displacements of a commercial trunk shaker and the trunks of three sizes of '^Montmorency'
cherry trees were simultaneously measured at shaking frequencies of 9 Hz and …

Illumination methods for automated produce inspection: Design considerations

HA Affeldt, RD Heck - Applied Engineering in Agriculture, 1994 - elibrary.asabe.org
Automatic optical inspection of fresh and lightly processed fruits and vegetables has become
an economic and technologically feasible alternative to total manual inspection and line …