Resistance to Fruit Fly, Bactrocera dorsalis (Hendel) and Tea Mosquito Bug, Helopeltis antonii (Sign.) in Certain Wild Psidium Species

Authors

  • P Venkata Rami Reddy Author
  • C Vasugi Author

DOI:

https://doi.org/10.24154/jhs.v3i1.604

Keywords:

Guava, Psidium Species, Resistance, Fruit Fly, Tea Mosquito Bug

Abstract

Five wild species of Psidium viz., Psidium cattleianum lucidum, P. chinensis, P. friedrichsthalianum, P. molle and P. quadrangularis were evaluated for resistance to fruit fly [Bactrocera dorsalis (Hendel)] and tea mosquito bug (TMB) [Helopeltis antonii (Sign.)], during 2002-04. Significant variations were recorded among species in their reaction to pests. Two species viz., P. chinensis and P. quadrangularis were resistant to fruit fly (<10% fruit damage) while P. quadrangularis was immune. Psidium. molle and P. cattleianum were resistant to tea mosquito bug. Pest incidence was correlated with fruit biochemical components viz., total soluble solids (TSS), total sugars, vitamin C and acidity. The TSS and total sugars were positively correlated with fruit fly infestation while acidity was negatively correlated. The TMB incidence did not exhibit significant correlation with any of these parameters.

References

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Reddy, P.V. R. and Vasugi, C. 2002. Evaluation of guava germplasm for resistance to fruit fly, Bactrocera dorsalis (Hendel) in relation to fruit morphological characters. Pest Mgt. Hortl. Ecosys., 8: 27-32

Reddy, P.V.R. and Vasugi, C., 2004. Screening of guava germplasm for resistance to tea mosquito bug, Helopeltis antonii Sign. in relation to certain morpho - characters of fruit. Ind. J. Agril. Sci., 74 : 1-4

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Published

30-06-2008

Issue

Section

Short Communications

How to Cite

Reddy, P. V. R., & Vasugi, C. (2008). Resistance to Fruit Fly, Bactrocera dorsalis (Hendel) and Tea Mosquito Bug, Helopeltis antonii (Sign.) in Certain Wild Psidium Species. Journal of Horticultural Sciences, 3(1), 79-81. https://doi.org/10.24154/jhs.v3i1.604

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