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Registros recuperados: 33 | |
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Boawn, L.C.; Rasmussen, P.E.; Brown, J.W.. |
Most bean varieties (Phaseolus vulgaris) are susceptible to zinc deficiency and, if grown where zinc deficiency occurs, are invariably listed among those crops with the greatest need for zinc fertilization (1, 2, 3, 4). Bean plants with mild to moderate zinc deficiency symptoms early in the growing season may recover and produce essentially a normal yield. However, as several individuals have observed (1, 2, 3) this early-season zinc deficiency invariably results in delayed maturity. This is a critical factor in geographical areas where beans may be damaged by fall rains or early frost. The research reported here establishes quantitative relationships between the zinc level in bean tissues and the number of days required for maturation. The... |
Tipo: Article |
Palavras-chave: Bean / dry bean; Mass Import - autoclassified (may be erroneous). |
Ano: 1969 |
URL: http://eprints.nwisrl.ars.usda.gov/58/1/121.pdf |
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Blickenstaff, C.C.; Peckenpaugh, R.E.. |
Little has been published on insecticidal control of the western bean cutworm on beans and corn. This report summarizes results of tests in southern Idaho from 1950 to 1980. Of 53 chemicals tested in the laboratory, 24 showed effectiveness approximately equal to or better than DDT or carbaryl, which were used as standards. Of 26 materials applied as sprays to beans with ground equipment, 7 that were tested most extensively indicate effectiveness equal to or better than carbaryl, and 9 tested less extensively .indicate a high degree of effectiveness. Of those materials applied by air to sweet corn, permethrin provided almost perfect control, Three formulations of carbaryl did not differ significantly in performance in individual tests, but the... |
Tipo: Technical Bulletin |
Palavras-chave: Bean / dry bean; Research methodology; Mass Import - autoclassified (may be erroneous). |
Ano: 1981 |
URL: http://eprints.nwisrl.ars.usda.gov/1118/1/477.pdf |
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Registros recuperados: 33 | |
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