Abbreviations: ADT, average daily temperature; DIF, difference; DT/NT, day/night temperature; FR, far red; LD, long day; NI, night interruption; R, red; SD, short day. 1 Current address: Dept. of Horticultural Science, Univ. of Minnesota, 1970
was 24% higher in winter. This result suggests oxalate will be high when nitrate is high. There is little effect on yield or quality of hydroponic spinach produced at root-zone temperatures of 20, 24, or 28 °C in summer or 15, 20, or 25 °C in winter
The climate where fruit is grown can affect many different aspects of growth and development, including shape. Several reports have been published for fruit other than peaches concerning climatic and temperature effects on fruit shape. In general
). Phalaenopsis and Doritaenopsis perform crassulacean acid metabolism to fix CO 2 primarily during the dark period of the day ( Guo, 1999 ; Ota et al., 1991 ). Ota et al. (1991) reported that at a common 20 °C nighttime temperature, increasing daytime
). Nearly half of California’s spinach is grown in Monterey County, and although spinach can be grown there nearly year-round, production is limited to the regions and seasons that meet the temperature requirements of spinach ( Koike et al., 2011 ). In
Abstract
Factors determined to have a pronounced effect on shear-press peak-force values of asparagus, Asparagus officinalis L. included sample size, spear diameter, length of green, and preharvest temperature. Shear-press values were greater following periods of cold weather in early spring. Larger diameter spears had lower peak-force values than smaller spears, indicating that larger spears are more tender than smaller spears. The number and diameter of spears produced by a particular cultivar, and not differences between cultivars, were the characteristics observed to influence shear-press values. Shear-press max peak-force values correlated well with subjective and objective determinations of asparagus fiber.
that a temperature of at least 22 °C was required for >90% cranberry seed germination. We hypothesize that openings in the cranberry canopy may induce changes in the local environmental conditions that may be favorable to the germination of cranberry
strategies ( Snapp et al., 2005 ). Unpredictable climatic conditions in the Great Lakes region such as high rainfall, low temperatures, and humid conditions early in the growing season delay planting and facilitate early and rapid infestation of pest and
planted in North Carolina ( North Carolina Department of Agriculture and Consumer Services, 2004 ). The land devoted to watermelon production in North Carolina from 1994 to 2004 ranged from 3238 to 4616 ha ( Arney et al., 2006 ). Temperatures below 10 °C
information available on these aspects. Aloes are succulent and warm-climate plants, where both temperature and water play an important role in establishing them. This study was therefore conducted to examine 1) the effects of different temperatures, growth