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Articles by E. Asare-Bediako
Total Records ( 4 ) for E. Asare-Bediako
  E. Asare-Bediako , Y. Opoku-Asiama , F.A. Showemimo and J.P. Tetteh
  Different methods of sterilizing sprouting media for the control of rot in minisetts of Dioscorea rotundata var Pona and Dente were evaluated. Sawdust and topsoil sprouting media were sterilized by roasting, solarization and fumigation in a completely randomized block design replicated thrice in the laboratory. Significantly higher percentage rot was recorded for minisetts planted in unsterilized sprouting media than those in sterilized media. Incidence of minisett rot was, however, higher in unsterilized topsoil than in unsterilized sawdust. Roasting was most effective in sterilizing the sprouting media, followed by fumigation and the least was solarization. There was no significant difference between the effects of sterilized sawdust and topsoil on rotting and sprouting of yam minisetts. Pona minisetts planted in sterilized medium produced higher percentage sprouting and lower percentage rotting as compared with that of Dente minisetts.
  E. Asare-Bediako , A.A. Addo-Quaye and A. Mohammed
  This study was conducted to evaluate the effectiveness of intercropping cabbage with non-host crops in reducing the effect of the diamondback moth pest on cabbage. The experimental design used was a randomized complete block design with five treatments and four replications. The treatments were cabbage-tomato intercrop, cabbage-pepper intercrop, cabbage-onion intercrop, pure cabbage stand sprayed with chlorpyrifos (Dursban) a synthetic insecticide and a pure cabbage stand that was not sprayed (control). Data were taken on plant height, DBM population per plant, leaf damage, head damage and head weight. Cabbage plants intercropped or sprayed with chlorpyrifos against the DBM pests recorded significantly higher growth and yield and less pest damage compared with controls. Intercropping cabbage with onion, tomato or pepper was found to be as effective as spraying the cabbage with chlorpyrifos. Cabbage intercropped with onion and tomato produced lower leaf and head damage and higher yield than those intercropped with pepper.
  J.B.K. Asiedu , E. Asare-Bediako , K.J. Taah and J.N. Buah
  The aim of the present study was to investigate the effect of various pre-sowing treatments on the germination of Bauhinia rufescens seeds. The pre-sowing treatments were made up of boiling seeds in water for up to 15 min and soaking seeds in water at room temperature for a number of days. Data collected was used to calculate cumulative germination percentage, germination value, speed of germination, mean daily germination and coefficient of velocity and was analyzed using analysis of variance at 5%. Treatment 1 (<10 sec boiling) produced the highest cumulative germination percentage of 77. Soaking seeds in water at room temperature for any number of days (T3, T4, T7, T11, T14) did not have any significant effect on germination, neither did boiling seeds for 15 min (T2) and the control (T15). Apart from T1, all the other treatments had a cumulative germination percentage of less than 20 at the end of the experiment. Boiling of Bauhinia rufescens seeds in water for less than 10 sec (T1) proved to be the most effective pre-sowing treatment to enhance germination under field conditions. Soaking of seeds in water for any number of days could not improve germination.
  E. Asare-Bediako , F.A. Showemimo , Y. Opoku-Asiama and D.H.A.K. Amewowor
  The present study was conducted to evaluate the effectiveness of different disinfectants and protectants in improving sprouting and controlling rotting of yam minisetts. Results revealed that disinfection of both the sprouting medium and yam minisetts increase significantly the percentage sprouting of the Pona minisetts. Benlate was more effective in reducing the incidence of minisett rot and enhanced sprouting of the minisetts in roasted sawdust than the other protectants or disinfectants. Benlate-treated Pona minisetts gave high percentage sprouting and low percentage rotting in the roasted sawdust compare to that of Dente minisetts. Quicklime and neem wood ash were also effective in reducing incidence of minisett rot and increased sprouting of yam minisetts significantly compared with sodium hypochlorite, aqueous neem leaf extract and untreated minisetts (control).
 
 
 
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