Development of an integrated bean root rot control strategy for Western Kenya
Root rot severely constrains bean (Phaseolus vulgaris L.) production in parts of Western Kenya. Genetic and soil management options were evaluated for an integrated root rot management approach. Four hundred genotypes were progressively screened in the field for resistance to root not over six seaso...
| Main Authors: | , , , |
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| Format: | Journal Article |
| Language: | Inglés |
| Published: |
1998
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/43332 |
| _version_ | 1855520428880035840 |
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| author | Otsyina, R.M. Ajanga, SI Buruchara, Robin Arani Wortmann, Charles S. |
| author_browse | Ajanga, SI Buruchara, Robin Arani Otsyina, R.M. Wortmann, Charles S. |
| author_facet | Otsyina, R.M. Ajanga, SI Buruchara, Robin Arani Wortmann, Charles S. |
| author_sort | Otsyina, R.M. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Root rot severely constrains bean (Phaseolus vulgaris L.) production in parts of Western Kenya. Genetic and soil management options were evaluated for an integrated root rot management approach. Four hundred genotypes were progressively screened in the field for resistance to root not over six seasons. A sequence of problem-solving trials on cultural methods was conducted over four seasons. All trials were conducted in root rot infested fields of farmers. No resistant varieties were found in the Kenyan germplasm collection of 374 accessions. Ten resistant varieties were identified from 26 introductions which were known to be resistant to root rots in Rwanda. Farmers preferred MLB-49-89a because of its early maturity, SCAM 80-CM/5 and RWR 532 because of their high yield and seed type, and the late maturing RWR 719 as it was seen as a replacement for a previously popular cultivar which succumbed to root rots. Crop tolerance to root rots was greatly improved by improving soil fertility through application of diammonium phosphate or certain organic manures, and less so by sowing on ridges. Application of several rapidly decomposing green manures, including Tithonia diversifolia which was abundantly available in field borders, resulted in improved crop tolerance to root rot. |
| format | Journal Article |
| id | CGSpace43332 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 1998 |
| publishDateRange | 1998 |
| publishDateSort | 1998 |
| record_format | dspace |
| spelling | CGSpace433322025-03-11T12:14:31Z Development of an integrated bean root rot control strategy for Western Kenya Otsyina, R.M. Ajanga, SI Buruchara, Robin Arani Wortmann, Charles S. plant diseases root rots integrated control soil fertility genetic resistance cultural control enfermedades de las plantas podredumbre de la raiz control integrado fertilidad del suelo resistencia genetica control cultural Root rot severely constrains bean (Phaseolus vulgaris L.) production in parts of Western Kenya. Genetic and soil management options were evaluated for an integrated root rot management approach. Four hundred genotypes were progressively screened in the field for resistance to root not over six seasons. A sequence of problem-solving trials on cultural methods was conducted over four seasons. All trials were conducted in root rot infested fields of farmers. No resistant varieties were found in the Kenyan germplasm collection of 374 accessions. Ten resistant varieties were identified from 26 introductions which were known to be resistant to root rots in Rwanda. Farmers preferred MLB-49-89a because of its early maturity, SCAM 80-CM/5 and RWR 532 because of their high yield and seed type, and the late maturing RWR 719 as it was seen as a replacement for a previously popular cultivar which succumbed to root rots. Crop tolerance to root rots was greatly improved by improving soil fertility through application of diammonium phosphate or certain organic manures, and less so by sowing on ridges. Application of several rapidly decomposing green manures, including Tithonia diversifolia which was abundantly available in field borders, resulted in improved crop tolerance to root rot. 1998 2014-09-24T08:41:58Z 2014-09-24T08:41:58Z Journal Article https://hdl.handle.net/10568/43332 en Open Access |
| spellingShingle | plant diseases root rots integrated control soil fertility genetic resistance cultural control enfermedades de las plantas podredumbre de la raiz control integrado fertilidad del suelo resistencia genetica control cultural Otsyina, R.M. Ajanga, SI Buruchara, Robin Arani Wortmann, Charles S. Development of an integrated bean root rot control strategy for Western Kenya |
| title | Development of an integrated bean root rot control strategy for Western Kenya |
| title_full | Development of an integrated bean root rot control strategy for Western Kenya |
| title_fullStr | Development of an integrated bean root rot control strategy for Western Kenya |
| title_full_unstemmed | Development of an integrated bean root rot control strategy for Western Kenya |
| title_short | Development of an integrated bean root rot control strategy for Western Kenya |
| title_sort | development of an integrated bean root rot control strategy for western kenya |
| topic | plant diseases root rots integrated control soil fertility genetic resistance cultural control enfermedades de las plantas podredumbre de la raiz control integrado fertilidad del suelo resistencia genetica control cultural |
| url | https://hdl.handle.net/10568/43332 |
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