African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007
  • Published Articles: 780

Full Length Research Paper

Effects of severity of apical shoot harvest on growth and tuber yield of two sweet potatoes varieties

Yarmento Mark
  • Yarmento Mark
  • Department Crop and Pasture Production and Sustainable development, College Centre of Excellence in Agricultural Development and Sustainable Environment Yarnlay, Liberia.
  • Google Scholar
Meamea Korpu
  • Meamea Korpu
  • Department of Plant Physiology and Crop production, College of Plant Science and Crops Production Aletha, Liberia.
  • Google Scholar

  •  Received: 12 December 2018
  •  Accepted: 12 April 2019
  •  Published: 29 February 2020


Agbo FMO, Ene LSO (1994). Status of sweet potato production and research in Nigeria In: Sweet potato situation and priority research in West and Central Africa, Proceedings of the workshop heldin Douala, Cameroon, 27-29 July 1992, International Potato Center (CIP), Lima, Peru. pp. 27-34.


Adejuwon JO, Odekunle TO (2006). Variability and Severity, of the "Little Dry Season" in Southwestern Nigeria. Journal of Climate 19: 483-493.


Abindin PE (2004). Sweet potato breeding for Northeastern Uganda: varieties and farmer-participatory selection and stability of performance, PhD Thesis, Wageningen University, Netherlands, 152 p.


Agboola AA (1973) Corey RB. The relationship between soil pH, organic matter, available P exchangeable K, Ca, Mg and nine elements in the maize tissue. Soil Science 115(5):367-375.


Carey E, Gibson S, Fuentes S, Machmud M, Mwanga R, Turyamureeba G, Zhang L, Ma D, Abo El-Abbas F, El-Bedewy R, Salazar L (1999). The Causes Control of Virus Diseases of Sweet Potato in Developing Countries: Is Sweet Potato Virus CIP: virus disease the main problem. Impact on a changing world. International Potato Center Program Report, 1998, pp. 241-248.


Collins WW (1993). Root vegetables: New uses for old crops In Janick J, Simon, JE (eds.) New Crops. Wiley, New York, pp. 535-537. 



Dahniya MT (1980). Effect of leaf harvests and detopping on the yield of leaves and roots of cassava and sweet potato. Proceedings of the 1st Triennial Root Crops Symposium of the International Society for Tropical Root Crops, Sept. 8-12, lbadan, Nigeria, pp. 137-142.


Ewell PT, Mutuura J (1994). Sweet potato in the food system of Eastern and Southern Africa. In: Ofori F, Hahn SK (eds) Symposium of Tropical Root Crops in a developing economy. Acta Horticulturae 380:405-412.


Gonzalez FR, Cadiz TG, Bugawan MS (1977). Effects of topping and fertilization on the yield and protein content of three varieties of sweet potato. Philippine. Journal of Crop Science 2:97.


Hong NTT, Wanapat M, Wachirapakorn C, Pakdee KP, Rowlinson P (2003). Effect of timing of initial cutting and subsequent cutting on yields and chemical composition of cassava hay and its supplementation on lactating dairy cows. Asian-Australian Journal of Animal Sciences 16(12):1763-1769.


International (CIP) Potato Center (1998). International Potato Center (CIP) Annual Report, Lima, Peru, 68p.


Olasantan FO, Salau AW (2008). Effect of pruning on growth, leaf yield and Pod yields of okra (Abelmoschus esculentus (L.) Moench. Journal of Agricultural Science 146:93-102.


Olorunnisomo OA (2007).Yield and quality of sweet potato forage pruned at different intervals for West African dwarf sheep. Livestock Research for Rural Development 19(3):36.


Salako FK, Dada PO, Adejuyigbe CO, Adedire MO, Martins O, Akwuebu CA, Williams OE (2007). Soil strength and maize yield after topsoil removal and application of nutrient amendments on a gravelly Afisol toposequence. Soil and Tillage Research 94:21-35.