Sokoine University of Agriculture

Effects of Kocide 101® on the bean (Phaseolus vulgaris, L.) - Rhizobium symbiosis

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dc.contributor.author Baijukya, F. P.
dc.contributor.author Semu, E.
dc.date.accessioned 2017-02-27T14:22:09Z
dc.date.available 2017-02-27T14:22:09Z
dc.date.issued 1998
dc.identifier.issn 0906-4710
dc.identifier.uri http://www.suaire.sua.ac.tz/handle/123456789/1305
dc.description Acta Agriculturae Scandinavica, Section B - Soil and Plant Science 1988 Vol. 48: 175-183 en_US
dc.description.abstract A glasshouse study was undertaken to investigate the effects of the copper fungicide Kocide 101 and its residues in soil on the growth. nodulation and nitrogen fixation of beans (Phaseolus iulgaris, L.). The soil used was a sandy clay loam classified as Typic Rhodustalf. The bean variety SUA 90 was used as test crop. The bean rhizobia strains CIA T 899, PV1 and a local isolate were used. Kocide 101 applied at the recommended rate (equivalent to 1.7 mg kg-I soil) had no significant negative eff ects on the growth. nodulation or nitrogen fixation of bean plants. Higher levels of Kocide 101 significantly (P < 0.05) reduced plant growth, nodulation and nitrogen fixation.The bean plants inoculated with the "local isolate" rhizobia had the highest dry matter weights. nodule numbers and nodule dry weights,and also had more N fixation. They were followed by those inoculated with the PV1 strain and. lastly, those inoculated with CIA T 899.The growth and nodulation of bean plants were still curtailed by the Kocide 101 residues four months after the fungicide was first applied to the soil. Therefore, occurrence of high levels of Kocide 101 in soils can have long-term effects on the performance of the bean-rhizobia symbiosis. en_US
dc.language.iso en en_US
dc.publisher Acta Agriculturae Scandinavica, Section B — Soil & Plant Science en_US
dc.subject Beans, en_US
dc.subject Kocide 101 en_US
dc.subject Nitrogen fixation en_US
dc.subject Rhizobia en_US
dc.subject Nodulation en_US
dc.subject Symbiosis en_US
dc.title Effects of Kocide 101® on the bean (Phaseolus vulgaris, L.) - Rhizobium symbiosis en_US
dc.type Article en_US


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