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A demand analysis of spring cantaloupesStewart, Kenneth Loy, 1941- January 1971 (has links)
No description available.
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Respiration during development and germination of muskmelon seeds (Cucumis melo L.) /Dyson, Thomas L., January 1993 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1993. / Vita. Abstract. Includes bibliographical references (leaves 64-68). Also available via the Internet.
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Changes in muskmelon perisperm envelope tissue during germination /Muthui, Wangechi, January 1993 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1993. / Vita. Abstract. Includes bibliographical references (leaves 95-103). Also available via the Internet.
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A study of polysomaty in Cucumis meloErvin, Clyde Delford, January 1940 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1940. / Typescript. Includes abstract and vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 39-43).
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The effect of cultivar maturity and frozen storage time on the cell wall polysaccharide composition of muskmelon(Cucumis melo)Simandjuntak, Valencius 08 July 1993 (has links)
The effect of frozen storage time on the composition
of the cell wall polysaccharide (CWP) of muskmelon (Cucumis
melo) cultivars at different stages of maturity was investigated.
Changes in composition, firmness, drip loss, and
color of Cantaloupe and Honey Dew melon flesh were determined
at three stages of maturity and for three periods of
storage at -23°C. Relationships between firmness, drip
loss, and other composition measurements, as well as the
total CWP sugar composition, were also determined.
Cell wall polyssacharides were isolated and purified,
and fractionations were performed using cyclohexane trans-
1,2-diamine tetraacetate (CDTA), Na₂C0₃, guanidinium thiocyanate
(GTC), and KOH. All fractions and residues were
dialysed and then freeze-dried. Following hydrolysis of
CWP fractions with trifluoroacetate (TFA), the alditol acetate derivatives of neutral sugars from each CWP fraction
were prepared and analyzed by gas chromatography,
using myo-inositol as the internal standard.
TFA insoluble fractions were analyzed colorimetrically
using phenol-sulphuric acid reagent. Uronic acid was determined
using 0.15% m-hydroxybiphenyl for absorbance at
520 nm with galacturonic acid as the standard. It was determined
that CDTA and Na₂C0₃ fractions were composed of
typical pectic materials, containing mostly galacturonic
acid with the neutral sugars arabinose, galactose, rhamnose,
and a smaller amount of xylose. As maturity increased,
CDTA fraction yields increased, though total neutral
sugar CWP compositions decreased. GTC and KOH fractions
were typical of hemicellulose, and contained principally
xylose, glucose, galactose, mannose, and fucose, with very
small amounts of uronic acid, arabinose, and rhamnose.
Residue fractions contained principally glucose and galactose,
with smaller amounts of mannose, xylose, arabinose,
and fucose. With the exception of xylose and glucose, all
neutral sugars decreased significantly (p < 0.01) as maturity
increased in both the Cantaloupe and Honey Dew melons.
Total uronic acid did not change as maturity increased,
except for Cantaloupe, where total uronic acid decreased
from the ripe to overripe stages. The CDTA fraction
yield increased and all neutral sugars decreased
significantly (p < 0.05) as storage time was increased.
Only the CDTA fraction yield was negatively correlated with the firmness of both melons, and was positively correlated
with drip loss as maturity and frozen storage time were increased.
Firmness was positively correlated with Na₂C0₃ and
GTC fraction yield in Cantaloupe, whereas for Honey Dew
there was no correlation between firmness and Na₂C0₃ or GTC
fraction yield as maturity increased. The KOH fraction was
negatively correlated with firmness in Cantaloupe, whereas
there was no correlation between firmness and KOH fractions
in Honey Dew existed as maturity increased. The residue
fractions increased in both melons only from the underripe
to the ripe stages, and did not change from ripe to overripe.
Firmness was positively correlated with total rhamnose,
arabinose, mannose, and galactose as maturity increased,
and the drip loss was negatively correlated with
all total neutral sugars as storage time was increased.
During frozen storage, there was a significant decreases
(p < 0.05) in total CWP sugars in relation to increased
storage time. The decrease in total sugars was
more dramatic during the 0 to 5 month period than the 5 to
10 month period of frozen storage. Galactose did not
change in the Cantaloupe, whereas in Honey Dew it decreased
34.3% from 0 to 5 months then decreased only 13% from 5 to
10 months of storage. / Graduation date: 1994
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Growing Cantaloupes in ArizonaPew, W. D., Marlatt, R. B., Hopkins, L. 05 1900 (has links)
No description available.
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Respiration during development and germination of muskmelon seeds (Cucumis melo L.)Dyson, Thomas L. 19 September 2009 (has links)
Respiration rates of developing muskmelon (Cucumis melo L.) seeds were determined polarographically using a Clark-type O₂ electrode (Hansatech LD2). Seeds were obtained from fruits harvested 20, 30, 40, and 50 days after anthesis (DAA). Respiration (O₂ uptake) was measured for fresh intact seeds and fresh dissected seeds. The respiration rate of intact seeds declined from a maximum of 2.28 μmol O₂/min/g DWT at 20 DAA to a minimum of 0.16 μmol O₂/min/g DWT at 50 DAA. Dissecting intact seeds into embryo, testae, and perisperm tissues increased the respiration rate of 20 DAA seeds to 3.12 μmol O₂/min/g DWT but had no effect on more mature seeds. Respiration rate was highly correlated with seed relative growth rate and water content. Respiration rate was not consistently changed after incubation in water. This indicates that respiration rate is not directly controlled by subtle variations in water content. Rather, seed respiration rate is directly linked with turgor-driven, expansive growth and relative growth rate. Fifty-DAA seeds from dry storage were imbibed on water saturated blotters, and respiration rates of whole seeds, decoated seeds, and embryos were compared. Respiration during imbibition was not significantly inhibited by the testae or perisperm tissue. In addition, 50-DAA dried, imbibed seeds were subjected to reduced O₂ concentrations ranging from 3.5 kPa partial pressure O₂ (pO₂) to 21 kPa pO₂. Respiration was not limited by O₂ until pO₂ was reduced to approximately 5 kPa, indicating a high affinity for O₂. Gas chromatography revealed that pO₂ in the seed cavity of muskmelon fruits ranged from 12.5 to 8 kPa. Fifty-DAA seeds from dry storage were imbibed on polyethylene glycol (PEG), mannitol, or NaCl ranging from -0.5 to -2.5 MPa water-potential or on abscisic acid (ABA) solutions ranging in concentration from 10 to 50 μM. Respiration and solution water-potential were measured at 10-hr intervals. At 10 hr of imbibition, each type of osmoticum and ABA stimulated respiration to values greater than for seeds imbibed in pure water. Beyond 10 hr, respiration rates were variable. / Master of Science
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Pollination of muskmelons, Cucumis Melo L. under air inflated polyethylene by honeybees, Apis mellifera L.Iselin, William Albin, 1934- January 1973 (has links)
No description available.
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A performance monitoring system for a mechanical cantaloupe harvesterLopes, Normando Vasconcelos, 1938- January 1975 (has links)
No description available.
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Development of a process for production of cantaloupe juice concentrate and determination of its composition and qualityGaleb, Abduljalil Derhm Saeed 05 October 1990 (has links)
Fresh ripe, cantaloupes were processed into juice and
juice concentrate. Processing trials were conducted on
fresh and frozen fruits with and without rind. The effects
of maceration enzymes and fining agents on yield and quality
were investigated. Compositional measurement included
°Brix, pH, titratable acidity, formol values, ascorbic acid
content, total carotenoids, sugar and nonvolatile acid
profiles, browning indices and Hunter color parameters.
Considerable ascorbic acid degradation occurred during
processing. The high juice yield (80%) and low acidity
suggest its potential use as an alternate sweetener source.
Sensory evaluation by a trained panel showed that concentrating the juice samples from flesh and rind can
remove the rind aroma and flavor characteristics. Juices
obtained from flesh and from flesh and rind were not
significantly different (p [less than or equal to] 0.05) except for overall
intensity and fresh fruit flavor characters. Single
strength juice was significantly different (p [less than or equal to] 0.05) from
concentrate on most aroma and flavor characters. / Graduation date: 1991
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