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volume 39 issue 1 (march 2005) : 18 - 24

OVIPosmON DETERRENT EFFECf OF EXTRACfS OF NEEM AGAINST ATHERIGONA ORIENTAUS (SCHINER) ON PEPPER (CAPSICUMANNUM) AND TOMATO (LYCOPERSICON ECSULENTUM) FRUITS IN NIGERIA

O
O.K. Ogbalu·. O.C. Umeozor1
N
N. Ebere
1Department of Biological Sciences, Rivers State University of Science and Technology, Port Harcourt, Nigeria

  • Submitted|

  • First Online |

  • doi

Cite article:- Umeozor1 O.C. Ogbalu·. O.K., Ebere N. (2025). OVIPosmON DETERRENT EFFECf OF EXTRACfS OF NEEM AGAINST ATHERIGONA ORIENTAUS (SCHINER) ON PEPPER (CAPSICUMANNUM) AND TOMATO (LYCOPERSICON ECSULENTUM) FRUITS IN NIGERIA. Indian Journal of Agricultural Research. 39(1): 18 - 24. doi: .

ABSTRACT

With the avalanche of synthetic insecticides and their misuse, studies on the use of neem plant parts namely, neem leaves (NL), neem barks (NB), neem roots (NR), neem leaf, bark and root combination (NLBR) and neem seed kernel power (NSKP) extracts were evaluated for oviposition deterrence on pepper and tomato fruits against Atherigona orientalis (Schiner). A 2% solution of each of the neem plant part extracts when applied individually was effective against the pest on both pepper and tomato fruits. A combination of neem leaf, bark and root was more effective than the individual neem plant parts. A 2% Neem seed kernel powder was significantly more effective than other neem plant parts and also significantly offered the highest relative protection (RP) to pepper and tomato fruits. Percentage RP followed this order: NSKP>NLBR>NR>NB>NL.

KEYWORDS

    REFERENCES

    1. Gujar, G.T. and Mehrotra, K.N. (1990). In: National Symposium on Prospects of Botanical Pesticides held on Jan.
    2. 21-22, 1990 at Central Tobacco Res. Institute, Ragahmundry, India.
    3. Henderson, R. et a/. (1964). Sa/amin. Tetrahedron Lett., &2: 3969-3974.
    4. Ivbijaro, M.E (1993). Proc. Ecology,S: 353. "
    5. Jayaraj, S. (1992). In: Botanical Pest Control Project, Phase 2, ADB,Proc. Final Workshop held on July 28-31,
    6. 1992 at IRRI Manila, PhiDiplnes. Pp 63-81.
    7. Joshi, B.G. (1987). In: 3rd Int. Neem Conference Nairobi, 1986. pp 479-494.
    8. Morris, J.4, et a/. (1997). Niger Delta Biologia., 2(1): 1-16.
    9. Ogbalu, O.N. (1989), Trop. Pest Mgmt., 35: 392-393.
    10. Ogbalu, OK (1997). NigerJ. Entomol., 14 and 15: 107-121.
    11. Ogbalu, O.K. (1999). J. Agron. Crop Sci., 182: 65-71.
    12. Ogbalu, OK and Okwakpam, BA (1996). Nig. J. Ento., 13: 111-116.
    13. Ogbalu, OK et a/. (1998). Niger. J. Crop/Soil., 4: 1-9.
    14. Singh, S.R. et a/. (1975). Trop. Grain Legume Bull., 1: 18-19.
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    Indian Journal of Agricultural Research
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      volume 39 issue 1 (march 2005) : 18 - 24

      OVIPosmON DETERRENT EFFECf OF EXTRACfS OF NEEM AGAINST ATHERIGONA ORIENTAUS (SCHINER) ON PEPPER (CAPSICUMANNUM) AND TOMATO (LYCOPERSICON ECSULENTUM) FRUITS IN NIGERIA

      O
      O.K. Ogbalu·. O.C. Umeozor1
      N
      N. Ebere
      1Department of Biological Sciences, Rivers State University of Science and Technology, Port Harcourt, Nigeria

      • Submitted|

      • First Online |

      • doi

      Cite article:- Umeozor1 O.C. Ogbalu·. O.K., Ebere N. (2025). OVIPosmON DETERRENT EFFECf OF EXTRACfS OF NEEM AGAINST ATHERIGONA ORIENTAUS (SCHINER) ON PEPPER (CAPSICUMANNUM) AND TOMATO (LYCOPERSICON ECSULENTUM) FRUITS IN NIGERIA. Indian Journal of Agricultural Research. 39(1): 18 - 24. doi: .

      ABSTRACT

      With the avalanche of synthetic insecticides and their misuse, studies on the use of neem plant parts namely, neem leaves (NL), neem barks (NB), neem roots (NR), neem leaf, bark and root combination (NLBR) and neem seed kernel power (NSKP) extracts were evaluated for oviposition deterrence on pepper and tomato fruits against Atherigona orientalis (Schiner). A 2% solution of each of the neem plant part extracts when applied individually was effective against the pest on both pepper and tomato fruits. A combination of neem leaf, bark and root was more effective than the individual neem plant parts. A 2% Neem seed kernel powder was significantly more effective than other neem plant parts and also significantly offered the highest relative protection (RP) to pepper and tomato fruits. Percentage RP followed this order: NSKP>NLBR>NR>NB>NL.

      KEYWORDS

        REFERENCES

        1. Gujar, G.T. and Mehrotra, K.N. (1990). In: National Symposium on Prospects of Botanical Pesticides held on Jan.
        2. 21-22, 1990 at Central Tobacco Res. Institute, Ragahmundry, India.
        3. Henderson, R. et a/. (1964). Sa/amin. Tetrahedron Lett., &2: 3969-3974.
        4. Ivbijaro, M.E (1993). Proc. Ecology,S: 353. "
        5. Jayaraj, S. (1992). In: Botanical Pest Control Project, Phase 2, ADB,Proc. Final Workshop held on July 28-31,
        6. 1992 at IRRI Manila, PhiDiplnes. Pp 63-81.
        7. Joshi, B.G. (1987). In: 3rd Int. Neem Conference Nairobi, 1986. pp 479-494.
        8. Morris, J.4, et a/. (1997). Niger Delta Biologia., 2(1): 1-16.
        9. Ogbalu, O.N. (1989), Trop. Pest Mgmt., 35: 392-393.
        10. Ogbalu, OK (1997). NigerJ. Entomol., 14 and 15: 107-121.
        11. Ogbalu, O.K. (1999). J. Agron. Crop Sci., 182: 65-71.
        12. Ogbalu, OK and Okwakpam, BA (1996). Nig. J. Ento., 13: 111-116.
        13. Ogbalu, OK et a/. (1998). Niger. J. Crop/Soil., 4: 1-9.
        14. Singh, S.R. et a/. (1975). Trop. Grain Legume Bull., 1: 18-19.
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