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Journal Article 2003-09

Autor: Shiwachi, H. Ayankanmi, T.G. Asiedu, Robert Onjo, M.

To induce sprouting two gibberellin inhibitors, uniconazole-P (UP) and prohexadione-calcium (PC), were applied to foliage of white Guinea yam (Dioscorea rotundata) and water yam (D. alata) 30 days before harvest or to tubers at harvest. The tuber sprouting period was shortened by about 35 days in...

Enlace original: https://cgspace.cgiar.org/handle/10568/96360

Investigación en Agricultura
Enlace permanente
Shiwachi, H. ,  Ayankanmi, T.G. ,  Asiedu, Robert ,  Onjo, M. ,  [Influence of exogenous gibberellins inhibitors on tuber sprouting in yam] ,  Influence of exogenous gibberellins inhibitors on tuber sprouting in yam
Journal Article 2004

Autor: Acha, I.A. Shiwachi, H. Asiedu, Robert Akoroda, M.O.

Treatment with indolebutyric acid (IBA) significantly increased the number of roots produced by vine cuttings of ten Dioscorea rotundata cultivars. Some cultivars could be propagated by layering, especially with IBA treatment, but layering does not appear to be feasible for use on farms.

Enlace original: https://cgspace.cgiar.org/handle/10568/96403

Investigación en Agricultura
IBA
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Acha, I.A. ,  Shiwachi, H. ,  Asiedu, Robert ,  Akoroda, M.O. ,  [Effect of auxins on root development in yam (Dioscorea rotundata) vine] ,  Effect of auxins on root development in yam (Dioscorea rotundata) vine
Journal Article 2005

Autor: Kikuno, H. Oladimeji, Z. Ebuehi, A. Shiwachi, H. Onjo, M. Asiedu, Robert
Enlace original: https://cgspace.cgiar.org/handle/10568/103444

Investigación en Agricultura
Enlace permanente

Kikuno, H. ,  Oladimeji, Z. ,  Ebuehi, A. ,  Shiwachi, H. ,  Onjo, M. ,  Asiedu, Robert ,  [Effect of n-propyl dihydrojasmonate (PDJ) on in vitro growth of yam (Dioscorea spp.) explants] ,  Effect of n-propyl dihydrojasmonate (PDJ) on in vitro growth of yam (Dioscorea spp.) explants
Journal Article 2002

Autor: Shiwachi, H. Ayankanmi, T.G. Asiedu, Robert

Sixty-day-old plants of white Guinea yam (Dioscorea rotundata), water yam (D. alata) and yellow Guinea yam (D. cayenensis) were exposed to 10 h day lengths (short days) for 15 and 30 days. Short-day treatment applied at the early growth stage of yams promoted the enlargment of tubers, but the res...

Enlace original: https://cgspace.cgiar.org/handle/10568/103630

Investigación en Agricultura
Enlace permanente
Shiwachi, H. ,  Ayankanmi, T.G. ,  Asiedu, Robert ,  [Effect of day length on the development of tubers in yams (Dioscorea spp.)] ,  Effect of day length on the development of tubers in yams (Dioscorea spp.)
Journal Article 2005

Autor: Ayankanmi, T.G. Shiwachi, H. Asiedu, Robert

Seed tuber production of Dioscorea rotundata using the minisett technique was tested on-farm and on-station in different agro-ecological zones in Nigeria. A lower sprouting rate of minisetts was observed in the southern Guinea savanna than in the tropical forest zone. Sprouting and tuber yield in...

Enlace original: https://cgspace.cgiar.org/handle/10568/91890

Investigación en Agricultura
Enlace permanente
Ayankanmi, T.G. ,  Shiwachi, H. ,  Asiedu, Robert ,  [Sprouting and yield of yam (Diocorea spp.) minisetts in relation to sett size, soil moisture and agroecology] ,  Sprouting and yield of yam (Diocorea spp.) minisetts in relation to sett size, soil moisture and agroecology
Journal Article 2005

Autor: Shiwachi, H. Kikuno, H. Asiedu, Robert

Mini tubers were produced from two varieties of Dioscorea rotundata using vine cuttings planted in carbonized rice husk or coco-peat in a screen house. The cuttings established better and produced more mini tubers in carbonized rice husk than in coco-peat 100 days after planting. Vine cuttings of...

Enlace original: https://cgspace.cgiar.org/handle/10568/91889

Investigación en Agricultura
Enlace permanente
Shiwachi, H. ,  Kikuno, H. ,  Asiedu, Robert ,  [Mini tuber production using yam (Dioscorea rotundata) vines] ,  Mini tuber production using yam (Dioscorea rotundata) vines
Journal Article 2005

Autor: Shiwachi, H. Ayankanmi, T.G. Asiedu, Robert

In experiments in 2001 to 2003, 50-day-old plants of four varieties of white Guinea yam (D. rotundata) were exposed to 10 h (short-day) day length for 15 days, 14 h for 30 days or constant 24 h, with natural day length as the control. Under natural day length the male varieties flowered earlier t...

Enlace original: https://cgspace.cgiar.org/handle/10568/91888

Investigación en Agricultura
Enlace permanente
Shiwachi, H. ,  Ayankanmi, T.G. ,  Asiedu, Robert ,  [Effect of photoperiod on the development of inflorescences in white Guinea yam (Dioscorea rotundata)] ,  Effect of photoperiod on the development of inflorescences in white Guinea yam (Dioscorea rotundata)

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