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screening method. Units Literature cited Biffi, R. Restivo, F.M. Caporali, A. Marziani, G.P. Spada, A. Falavigna, A. 1995 A restriction fragment length polymorphism probe for early diagnosis of gender in Asparagus officinalis L HortScience 30 1463 1464 10
model identification Inst. Electrical Electronics Eng. Trans. Automatic Control 19 716 723 Boydston, R.A. 1995 Effect of tillage level and herbicides on weed control and yield of asparagus ( Asparagus officinalis ) in the Pacific Northwest Weed Technol
Four asparagus (Asparagus officinalis L.) cultivars, UC 157, Syn 4-56, Mary Washington, and Viking KB3, were stored at 2C, and their quality was evaluated during 3 weeks of storage, There were no cultivar differences in respiration, weight gain, or soluble solids concentration initially or after storage. After 3 weeks of storage, the cultivars UC and S4 were more vividly green and less seedy than MW or VK, but UC exhibited slight to moderate chilling injury. Spears of S4 and VK had better overall appearance than MW or UC.
Commercially available biocontrol agents Trichoderma harzianum Rifai and the arbuscular mycorrhizal fungus Glomus intraradices Schenck and Smith were tested for their efficacy in controlling fusarium root rot in potted asparagus (Asparagus officinalis L.) seedlings. High and low concentrations of Fusarium oxysporum (Schlect.) emend. Snyd. & Hans. f. sp. asparagi Cohen & Heald (FOA) were combined with G. intraradices and/or T. harzianum treatments. In both experiments included in this study, T. harzianum and G. intraradices alone and in combination effectively reduced root rot caused by FOA when asparagus seedlings were grown in low levels of FOA-infested medium. When seedlings were grown in high levels of FOA-infested medium, the combination of T. harzianum + G. intraradices significantly increased dry shoot mass and limited root rot compared to the control.
The effect of soil moisture levels on the yield and dry matter accumulation of asparagus (Asparagus officinalis L) using the motherstalk method was examined in a greenhouse study. This technique allows for a spear to develop a mature fern while permitting harvest of later-developing spears. The motherstalk treatment resulted in significantly heavier spears as compared to the conventional practice without a motherstalk and harvesting all spears. In addition, crown weights between the motherstalk and the nonharvested treatment were similar at the end of the 12-week harvest period, but significantly lower when spears were harvested without the benefit of a motherstalk. Optimizing soil moisture significantly increased yield in the motherstalk treatment and increased the fern dry weight but had no effect on crown dry weight. Our results indicate that the motherstalk system may allow for extended asparagus harvest in temperate areas but soil moisture may need to be carefully monitored to use this technique.
Asparagus (Asparagus officinalis L.) spears (cv. UC 157) trimmed to 20 cm were cooled 0, 4, 8, 12, 16, and 20 hours after harvest and evaluated for resistance to shear at 5 and 10 cm above the cut end immediately after cooling and during storage at 0.5, 2.5, and 5C. Resistance to shear increased during cooling delays and with time in storage. Initial cooling delays and simulated marketing conditions (transfer to 15C for 1 day) were the principal causes of increased resistance to shear. A 4-hour cooling delay resulted in an average 40% increase in resistance to shear. Transfer to 15C for 1 day resulted in a greater increase in shear force in the rapidly cooled than in the delayed-cooled spears. Increases in resistance to shear during storage varied from 0% to 50% and depended on the storage temperature, time, and the initial cooling delay. Spears trimmed to a green base showed less increase in shear force after storage than did spears trimmed to a white base. The visual quality of asparagus stored for 14 days was similar (excellent) among spears from different storage temperatures and between green- and white-base spears. Storage quality after 24 days had decreased more in spears stored at 5C than at 2.5 or 0.5C, and more in the green-base than the white-base spears.
marmorated stink bug is native, injury levels of 90% on cucumber ( Cucumis sativus ) and eggplant ( Solanum melongena ), 70% on sweet corn ( Zea mays ), 60% on asparagus ( Asparagus officinalis ), and 8% on bell pepper have been reported ( Fukuoka et al
templates for a number of crops including asparagus ( Asparagus officinalis ), basil ( Ocimum basilicum ), carrot ( Daucus carota ), cherry tomato ( Solanum lycopersicum ), green bean ( Phaseolus vulgaris ), and sweetpotato ( Ipomoea batatas ). Additionally
), asparagus ( Asparagus officinalis ), and strawberry ( Liu, 2008 ). However, fumigation with PH 3 has been known to cause a significant reduction in shelf and vase life of cut flowers with both 5.5 and 11 mg·L −1 for 6 h exposure time to four types of cut
et al., 2005 ), tabletop Christmas trees ( Behe et al., 2005 ), mandarins ( Citrus reticulata ) ( Campbell et al., 2006 ), and asparagus spears ( Asparagus officinalis ) ( Behe, 2006 ). The first step in a CA study is the identification of key