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Articles by I.A. Glitho
Total Records ( 3 ) for I.A. Glitho
  A. Togola , F.E. Nwilene , E.A. Kotoklo , K. Amevoin , I.A. Glitho , O.E. Oyetunji and A. Niang
  In tropical Africa, termite damage to rice crops leads to important losses of farmers’ income. The present study aimed to evaluate the effect of rice varieties and cultural practices on termite populations and damage in the field. For this purpose, 10 rice varieties (seven NERICA, one Oryza glaberrima and two O. sativa) were cultivated in rainfed upland at Niaouli (Benin) under four cultivation practices. Termite populations and damage were evaluated during tillering, heading and maturation stages. NERICA 6, CG14 (the African O. glaberrima, parent of the NERICA), NERICA 10, NERICA 2 and NERICA 3 were the least infested and suffered least damage, while NERICA 4 and LA23 were the most susceptible. Among the cultural practices, use of Metarhizium anisopliae and regular weeding resulted in lower termite populations and less damage than other practices. Rice was most susceptible to termite attack in the period from heading to maturation. Results of this study should help rice farmers in their choice of tolerant varieties and adapted cultural practices as effective alternative measures to control termites and save rice production in the rainfed upland ecology.
  A. Togola , P.A. Seck , I.A. Glitho , A. Diagne , C. Adda , A. Toure and F.E. Nwilene
  In Benin, on-farm storage of paddy rice is increasingly exposed to pest damage. Insect infestation causes a loss of income to farmers and other post-harvest stakeholders. The objective of this study is to assess the magnitude of damage caused to rice stored on-farm and evaluate the potential economic risk. In this study, 65 stocks of paddy rice were inspected and sampled in order to assess the economic losses. In addition, an agronomic survey was carried out to determine producer perceptions about the economic impact of stored rice pests in a farming environment. The findings show that weight loss amounts to 5.47% after 6 months of storage in the southern region, 4.07% in the central region and 1.64% in the northern region. From an economic perspective, 6 months duration of storage is likely to cause an estimated loss of 21,315 FCFA (Franc of the African Financial Community) per ton of paddy in the South region, compared to losses of 8,088 FCFA in the North. Furthermore, 36.92% of farmer respondents consider that these insects cause considerable economic damage to stored rice. This study made it possible not only to assess current losses attributable to insect pests in the country but also to obtain future projections about trends in high-risk regions. These findings will undoubtedly pave the way for future research in improved stored rice protection and income safeguards for various stakeholders intervening in the post-harvest sector.
  A. Togola , E.A. Kotoklo , F.E. Nwilene , K. Amevoin , I.A. Glitho , O.E. Oyetunji and P. Kiepe
  Termites are considered useful insects in natural savannah because of their role in soil fertility regulation, soil aeration and soil porosity. However, they are perceived as a serious threat for tropical agriculture. Due to the complexity of their populations and habitats, they cause high losses on dryland crops, especially upland rice. The present study aimed to analyze the specific diversity of termites on rice (Oryza) in rainfed upland conditions in Benin and to assess the damage they cause. Sampling was carried out in natural savannah and rice fields with 10 upland varieties to evaluate the population of termites. Specific damage was located on the susceptible organs of rice plants. The study allowed the identification of four termite species in the shrub savannah and six species in rice field. The commonest species on rice were Microcerotermes parvus, Microtermes sp., Pseudacanthotermes militaris and Amitermes evuncifer. Termite attack was diverse, but mainly affected roots and stems. The results of this study contributed to the identification of the diversity of termite species on rainfed upland rice and also to the identification of the damage they cause in order to undertake targeted measures against the key species.
 
 
 
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