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Research Project: VEGETABLE AND ORNAMENTAL RESEARCH IN THE GULF SOUTH

Location: Southern Horticultural Research

Title: RESISTANCE OF SELECTED HIBISCUS GENOTYPES TO THE HIBISCUS SAWFLY

Authors
item Cheatham, Christopher
item Boyd Jr, David

Submitted to: Southern Nursery Association Research Conference
Publication Type: Proceedings
Publication Acceptance Date: August 20, 2004
Publication Date: January 1, 2005
Citation: Cheatham, C.L., Boyd Jr, D.W. 2005. Resistance of selected hibiscus genotypes to the hibiscus sawfly. Southern Nursery Association Research Conference 49:545-547.

Interpretive Summary: The hibiscus sawfly is a serious pest on hibiscus. A study was conducted to determine the susceptibility or resistance of twelve different hibiscus species to the hibiscus sawfly. Results indicated three species, H. acetosella, H. aculeatus, and H. grandiflora show promise as parents in a breeding program due to their resistance to feeding and oviposition by the hibiscus sawfly.

Technical Abstract: Research was conducted to determine the resistance of twelve different hibiscus species to the hibiscus sawfly. The hibiscus sawfly females readily laid eggs on all the hibiscus plants except for H. acetosella, H. aculeatus, and H. grandiflora. Hibiscus militaris had a few eggs and all other hibiscus plants had sawfly eggs but H. mutabilis seemed to be the most preferred hibiscus plant for oviposition. The number of larvae per leaf followed the same trend as the eggs with H. acetosella, H. aculeatus, and H. grandilfora having almost no larvae throughout the test. Hibiscus mutabilis had the highest number of larvae per leaf. Three genotypes from our study, H. acetosella, H. aculeatus, and H. grandiflora, show promise in the consideration of breeding for hibiscus with resistance to the hibiscus sawfly. Future breeding programs should consider including these genotypes in order to develop new cultivars that have desirable horticultural traits and sawfly resistance.

   

 
Project Team
Sakhanokho, Hamidou
Rinehart, Timothy
Sampson, Blair
Pounders, Cecil
Copes, Warren
 
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Last Modified: 05/19/2013
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