The effect of variety, lulching and planting date on the grain yield and yield cohponents of bean (Phaseqlus Vulgaris L.)
| dc.contributor.author | Elia,Wilfred Martin | |
| dc.date.accessioned | 2026-08-29T05:47:08Z | |
| dc.date.available | 2026-08-29T05:47:08Z | |
| dc.date.issued | 1984 | |
| dc.description | Dissertation | |
| dc.description.abstract | Kabanima (Kb), Canadian Wonder (CW) and Selian Wonder (SW) bean varieties were investigated on their growth and seed yield as influenced by variety, sowing date and mulching. Mulching promoted effective primary branches/plant, vegetative growth - plant height, leaf number, leaf area, leaf area index (LAI) but depressed plant uptake of Mg and K, shelling percentage, grain yield and water-use efficiency (WUE). Mulching appears undesirable under high soil moisture conditions, it should be encouraged only in arid conditions* CW gave 154, SW 124% higher grain yield than Kb. CW outyielded SW by 124%. Kb was taller, thicker, had more leaves at maturity, greater leaf area, LAI and total plant dry weight but lower N, K and Mg at blooming, lower pod dry weight, shelling percentage, grain yield and WUE than CW and SW. Mid-March planting gave the highest grain yield and WUE. Plant height at maturity increased with subsequent sowing date because of increased favourable moisture conditions. Mid-March planting appears the best date of planting beans under Morogoro conditions* White Mould outbreak in mid-March planting depressed(iv) leaf area and LAI but promoted grain yield. White Mould resistance was observed in two GW plants that exhibited the primitive trailing habit.. Bean leaf N, P, K decreased from seedling to flowering stage in respective values of 4.96 to 4.22%, 0.39 to 0.29% and 5.14 to 2.61%; Ca and Mg increased from. 0.72 to 1.37% and 0.60 to 0.63% in the same growth stages, respectively. Nutrient uptake by bean plant is influenced by variety, growth stage and directly or indirectly by soil moisture in different dates and mulches. Pod yield,shelling percentage, 100 grain weight and seed number/pod and pod length exerted positive influence on grain yield unlike plant height, LAI, leaf number and days to 50% flowering. | |
| dc.description.sponsorship | Ministry of Agriculture | |
| dc.identifier.uri | https://www.suaire.sua.ac.tz/handle/20.500.14820/7938 | |
| dc.language.iso | en | |
| dc.publisher | Sokoine University of Agriculture | |
| dc.subject | Selian Wonder (SW) | |
| dc.subject | Vegetative growth | |
| dc.subject | Bean (phaseqlus vulgaris l.) | |
| dc.subject | Grain yield | |
| dc.subject | Yield cohponents | |
| dc.title | The effect of variety, lulching and planting date on the grain yield and yield cohponents of bean (Phaseqlus Vulgaris L.) | |
| dc.type | Thesis |