HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Robinson, S. H. Articles by Dilday, R. H. Search for Related Content PubMed Articles by Robinson, S. H. Articles by Dilday, R. H. Agricola Articles by Robinson, S. H. Articles by Dilday, R. H.

Antixenosis of Smooth Leaf Cotton to the Ovipositional Response of Tobacco Budworm¹

Cottons (Gossypium spp.) ranging from glabrous (Smooth leaf) to Pilose were compared to determine their effects on I he ovipositional response of the tobacco budworm moth, Heliothis virescens (F.). The numbers of trichome branches/cm on the margin, midrib, secondary vein, and petiole., and in an area of the lamina of young fully expanded cotton leaves were positively correlated with the number of eggs laid on cotton plants. Tobacco budworm moths laid fewer eggs on leaves of cottons with no more or fewer trichome branches than those found on ‘Deltapine Smooth Leaf’ than on the normally pubescent cultivar ‘Stoneville 213’ or on the densely pubescent (Pilose) line. Stoneville 213, a pubescent near-isoline, and a Smooth leaf near-isoline (Sm₂) in Stoneville 213 background, were tested in solid and mixed plantings. Significantly fewer eggs were laid on the Smooth leaf cotton than on the pubescent cottons whether or not the tobacco budworm had a choice of hosts. In a laboratory test, bond paper, synthetic net, rayon, cheesecloth, and muslin fabric were compared in no-choice and freechoice tests as ovipositional surfaces. Those with textures that had fibers with the highest numbers of loose ends (cheesecloth and muslin) were preferred by tobacco budworm females.

Key Words: Gossypium hirsutum L. • Heliothis virescens (F.) • Insect resistance • Trichomes • Preference • Non-preference • Pilose • Glabrous

² Biological laboratory technician, research entomologist, and research geneticist, respectively, AR, SEA, USDA, Brownsville, TX 78520.

Received for publication March 10, 1980.

This article has been cited by other articles:

				O. L. May, F. M. Bourland, and R. L. Nichols Challenges in Testing Transgenic and Nontransgenic Cotton Cultivars Crop Sci., September 1, 2003; 43(5): 1594 - 1601. [Abstract] [Full Text] [PDF]