149,161 research outputs found
Life history parameters of Trialeurodes vaporariorum (Westwood) (Hemiptera: Aleyrodidae) at different environmental conditions on two bean cultivars
No full textLife-history parameters of the greenhouse whitefly Trialeurodes vaporariorum (Westwood), an important pest of bean crops in Colombia, were determined in environmental control chambers on two dry bean (Phaseolus vulgaris) cultivars (cv.). Trialeurodes vaporariorum longevity on cv. Chocho decreased as temperature increased from 22.6 d at 19ºC to 5.9 d at 26ºC. Fecundity was significantly lower at 19ºC (8.6 eggs/female), as compared to 22ºC (32.6 eggs/female) and 26ºC (33.3 eggs/female) on cv. Chocho. Fecundity on cv. ICA-Pijao was much higher (127.2 eggs/female) than on cv. Chocho (32.6 eggs/female) at 19ºC. The intrinsic rate of population increase (rm) was highest at 22ºC (0.061), intermediate at 19ºC (0.044) and lowest at 26ºC (0.035) on cv. Chocho, and was 0.072 on cv. ICA-Pijao at 19ºC. Life history parameters of T. vaporariorum are compared to those of one of its natural enemies, the parasitoid Amitus fuscipennis MacGown & Nebeker. Finally, data are presented on the distribution of the parasitoid related to the altitude for the Valle del Cauca, Colombi
D&D Bean Company
No full textThe front entrance of the D&D Bean Company building. The double door entrance is surrounded by an arched brick doorway with a white stone boarder carved to appears like a twisted rope. Painted on the left door, 'D & D BEAN COMPANY. Typed in black ink along the right side, 'OCT 79.'; Verso In blue ink, 'Detail of the entrance to the D. & D. Bean Company, Greeley, Co., located at the N.W. corner of 7th St & 7th Ave. Photo taken by Ernie Covington, October, 1979.
Letter from C. D. Bean to Representative Burdick Regarding Need for Barge to Ferry Trucks Across the Lake Created by the Garrison Dam, September 5, 1957
No full textThis letter, dated September 5, 1957, from Federal Supply Service Commissioner C. D. Bean to United States (US) Representative Usher Burdick responds to an inquiry related to transportation for the Three Affiliated Tribes across the Garrison Reservoir. The US Department of the Interior informed Bean\u27s office that the US Bureau of Indian Affairs does not have the authority to transfer ownership of property to the tribes. Bean recommends that the tribes purchase a surplus barge and jeeps as needed and encloses information about buying surplus property. The referenced enclosed booklet is not included with this document.
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Letter from Representative Burdick to Clifton E. Mack Regarding Need for Barge to Ferry Trucks Across the Lake Created by the Garrison Dam, May 22, 1957https://commons.und.edu/burdick-papers/1350/thumbnail.jp
D&D Bean Company
No full textEast side of the D&D Bean Company building viewed from across the railroad tracks along 7th Avenue. A faded advertisement on one side of the building reads, 'OWL Cigar 5 cent.' Typed in black ink above the image, 'OCT 79.'; Verso In blue ink, 'East facade of the D. & D. Bean Company, located at the N.W. corner of 7th St. & 7th Ave., Greeley, Colo. Photo taken by Ernie Covington, October, 1979.
Impossible Things: The Life Art of Anne Bean in the 1970s
No full textAnne Bean: Self Etc. is the first major monograph about the performance work of artist Anne Bean, a noted international figure who has been working actively since the 1960s
Biochemical basis of insect resistance in winged bean (Psophocarpus tetragonolbus): characterisation of insecticidal proteins and their encoding genes
No full textMany pulses and beans grown for human comsumption are susceptible to insect attack. Winged bean, a high protein crop of the tropics, yield seeds which appear to be immune to infestation by the storage bruchid Callosobruchus maculatus. In this thesis the biochemical basis of this resisitance was investigated. Insect bio-assays were carried out in which protein fractions from seeds of winged bean were incorporated at a range of concentrations into artificial seeds, and their effects upon the development of C.maculatus determined. Both albumin and globulin fractions were toxic to the developing larvae and their toxicity correlated with their haemagglutination activity. Assay of psophocarpin fractions A, B and C found the fraction psophocarpin B to be most insecticidal. On further purification this fraction yielded two lectin fractions and a protease inhibitor fraction. Purified basic lectin was highly insecticidal to C. maculatus larvae with an LC(_50) value of 0.35%. The physiological level of this protein in winged bean seeds is sufficient to account for their resistance to attack by C maculatus. Winged bean trypsin inhibitor was also purified and tested in artificial seeds against C maculatus. However, even at concentrations in excess of twice the physiological concentration it had no deleterious effects upon development. Winged bean protein fractions, incorporated in artificial diets, proved toxic to the Lepidopteran pests Heliothis virescens and Spodoptera littoralis in bio-assays, but it appeared that the basic lectin was not responsible for toxicity towards these insects. Attempts to clone the gene encoding the winged bean basic lectin were made by constructing cDNA and genomic libraries, and heterologous lectin genes from soybean and Phaseolus were investigated as possible probes for the basic lectin gene. Purification of the basic lectin B3 and sequencing of 44% of its primary protein structure, along with comparisons with other legume lectin sequences allowed the synthesis of oligonucleotide primers for use in polymerase chain reaction experiments. However, all the PGR products obtained were shown to be the result of non-specific amplification. Further work needed to obtain the basic lectin gene is discussed
Correlation of physio-chemical characteristics in the seed coat and canning quality in different dark red kidney bean (Phaseolus vulgaris l.) cultivars
No full textPlan BThe canned kidney bean (Phaseolus vulgaris L.) is one of the major consumption forms of this agricultural product. In the canning industry, seed coat splitting is considered one factor affecting the integrity of the appearance in the final product. Three different dark red kidney bean cultivars (85, 453 and Nickols) grown in the Wisconsin area were studied in this research. The physiochemical properties in this study included moisture content, the seed coat to whole seed weight ratio, the weight per seed, ash, mineral (sodium, calcium, iron, potassium and magnesium) and total crude protein content in the seed coat. The correlations of these properties with the seed coat splits were investigated. In the canned product, highly significant differences (P<0.01) in percentage of split seed coat were found among the three cultivars studied. Canned cv. 85 had significantly fewer seed coat splits than the other two cultivars. Cv. 85 was significantly higher in moisture content, as well as ash, sodium, calcium and iron content in the seed coat. The seed coat of cv. 453 was significantly higher in magnesium, and total crude protein. Cv. Nickols was found to be significantly higher in the weight per bean and seed coat splits after the canning process. Significant negative correlations were found between the percentage of seed coat splits, sodium (r = -0.89, p< 0.01), calcium (r = -0.74, P< 0.01) and iron content (r = -0.79, P< 0.05) in the seed coat. A positive correlation was found between sodium content and calcium content (r = 0.69, P< 0.05) in the seed coat. Increased calcium content in the seed coat was accompanied with increased sodium content. A significant positive relationship (r = 0.901, P< 0.01) was found between seed weight and the percentage of seed coat splits. This research suggested that several physiochemical factors of the seed coat, including weight per seed, sodium, calcium, and iron content, might play important roles in the integrity of the seed coat during the thermal processing
High schools versus scholarships : an enquiry into the merits of the two systems / by Edwin Bean and J.D. Sly.
No full textCover title.; Electronic reproduction. Canberra, A.C.T. : National Library of Australia, 2010
Breeding phaseolus vulgaris (common bean) for resistance to the major pest bruchids Zabrotes subfasciatus and Acanthoscelides obtectus. Biochemical bases for seed resistance in wild lines
No full textPhaseolus vulgaris (common bean) is an important source of protein for human and animal consumption. Economic losses post-harvest in storage are primarily due to the bruchid beetles Acanthoscelides obtectus (Bean Weevil) and Zabrotes subfasciatus (Mexican Bean Weevil). Wild-lines exhibiting resistance to these two species have been found and the mechanisms of resistance to each species are investigated. The mechanisms of resistance to the two species are found to be multiple, and different for each species. In the case of Z. subfasciatus, the presence of a novel storage protein and absence of the conventional storage protein constitutes the primary mechanism. The novel protein ("arcelin") is antimetabolic when included in artificial diets. In vitro digestibility studies indicate that it is indigestible to Z. subfasciatus larval gut proteases, and since arcelin constitutes the major protein of the seed the larvae starve. Arcelin has a similar amino- acid sequence to PHA. Also present is WBAI, a highly specific inhibitor of larval amylase of the two bruchid pests Z. subfasciatus and Callosobruchus maculatus, whilst having virtually no inhibitory activity on the mammalian amylase, nor on other insect, bacterial nor fungal enzymes. WBAI is similar in gross structure to the conventional amylase inhibitor obtainable from RKB (commercial P. vulgaris), and both are also immunologically similar to PHA. Both of these mechanisms are suitable for incorporation into commercial seed, and the former has already been tested, using meal from seeds, in feeding trials using rats, confirming absence of mammalian toxicity. Resistance to A. obtectus damage is accompanied by reduced starch content, and high content of an acidic polysaccharide (whose structure has not been elucidated). No protein cause for resistance was found. Inheritance of resistance to A. obtectus is recessive. Since the factor responsible for resistance is not a primary gene product and is expressed recessively, this factor is unsuitable for incorporation into breeding lines to be used for developing commercial cultivars
D & D Bean Company
No full textA re-purposed silo bearing the words 'D&D BEAN / COMPANY / BEANS' prominently over several older, faded words. Three small windows are visible at the top of the structure, with a fourth on an elevated portion of the building at the upper right-hand corner of the image. A smaller brick building is visible at the bottom portion of the image, with a white double door and a small window.; Verso written in pencil, 'Lew Dakan / 12-22 / 10-13-79 / 4.
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