M. Lukefahr

Publications52
h-index18
Citations1,065
Highly Influential Citations25
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Condensed tannin, an antibiotic chemical from Gossypium hirsutum
Antibiotic activity against Heliothis virescens was found in flower buds of Gossypium hirsutum, experimental stock Texas 254. Relatively low antibiotic activity was found in hexane extract, high… Expand
  • 98
  • 3
Evaluation of an Integrated Short-Season Management Production System for Cotton
In a 3-yr field study, a short-season cotton production system was compared with the traditional long-season system. Average cotton lint yields of 3 short-season cultivars were 826 kg/ha as compared… Expand
  • 17
  • 3
Effect of Flavonoid Pigments and Gossypol on Growth and Development of the Bollworm, Tobacco Budworm, and Pink Bollworm
Quercetin isoquercitrin (quercetin-3-glucoside), and rutin (quercetin-3-mtinoside), all flavonoid compounds found in the cotton plant, and morin (3,5,7,2’,4’-pentahydroxyflavone) quercltrin… Expand
  • 98
  • 2
Host Plants of the Boll Weevil
Principal plant hosts of Anthonomus grandis Boheman are in 4 closely related genera of the Malvaceae: Gossypium, Cienfuegosia, Thespesia , and Hampea . After Gossypium , the most important host in… Expand
  • 54
  • 2
Content of Gossypol in Plants Belonging to Genera Related to Cotton
Analyses were made of seeds and plant parts of 9 species of Cienfuegosia, 4 species of Thespesia, and 1 species of Kokia for content of gossypol and oil. The seeds of Cienfuegosia were nearly free of… Expand
  • 13
  • 2
Suppression of Heliothis Populations with Glabrous Cotton Strains
During 5 consecutive years of evaluating glabrous cotton strains in replicated field tests, oviposition of Heliothis spp. was reduced from 36% in 1966 to 80% in 1969. This reduced oviposition… Expand
  • 56
  • 2
Cotton-Plant Pigments as a Source of Resistance to the Bollworm and Tobacco Budworm
Three pigments of the cotton plant Gossypium hirsutum were incoporated in the artificial diet of larvae of the bollworm, Heliothis zea (Boddie), and the tobacco budworm, Heliothis virescens (F.), to… Expand
  • 76
  • 1
Natural Insecticides from Cotton(Gossypium)
  • 39
  • 1
Growth and Infestation of Bollworms and Other Insects on Glanded and Glandless Strains of Cotton
Laboratory and field rests with experimental cotton lines showed that larval growth of the bollworm, Heliothis zea (Boddie), and the tobacco budworm, H. virescens (F.), was related to content of… Expand
  • 44
  • 1
Plant Resistance to Five Lepidoptera Attacking Cotton
The characters nectariless and glabrous in Gossypium spp. were evaluated in test strains for resistance to 5 lepidopterous cotton pests. Nectariless caused reductions ranging from 39 to 64% in egg… Expand
  • 49
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