Host suitability of commercial sunflower hybrids to Pratylenchus zeae was studied in the field and greenhouse. For comparison, one maize and one grain sorghum inbred line, both susceptible to P. zeae, were included in the greenhouse experiments. Pratylenchus zeae densities extracted from the roots of sunflower hybrids grown in naturally infested soil were low. In the first greenhouse experiment...

Sunflower (Helianthus annuus L.), with its high oil quality, is one of the major and most valuable oilseed crops in the world. Sunflower rust, caused by Puccinia helianthi Schw., is one of the major foliar diseases of sunflower. The pathogen is present wherever sunflower is grown in the world and causes important yield losses when severe epidemics occur. The objective of this study was to ident...

Nonlethal alternatives are needed to manage blackbird (Icterids) damage to rice and sunflower production in the United States. We evaluated 4 registered fungicides on rice seeds (i.e., AllegianceH FL, Thiram 42-S, TrilexH, and VitavaxH 200 preplant seed treatments) and 2 foliar pesticides on sunflower seeds (Cobalt insecticide and Flock Buster bird repellent) as candidate blackbird repellents. ...

The combination of a single cytoplasmic male-sterile (CMS) PET-1 and the corresponding fertility restoration (Rf) gene Rf1 is used for commercial hybrid sunflower (Helianthus annuus L., 2n = 34) seed production worldwide. A new CMS line 514A was recently developed with H. tuberosus cytoplasm. However, 33 maintainers and restorers for CMS PET-1 and 20 additional tester lines failed to restore th...

Forty midlactation Holstein cows averaging 635 kg of body weight (SE = 8) were allotted at wk 25 of lactation to ten groups of four cows blocked for similar calving dates to determine the effects of formaldehyde treatment of flaxseed and sunflower seed on fatty acid composition of blood and milk, milk yield, feed intake, and apparent digestibility. Cows were fed a total mixed diet based on gras...

1 Inra-UBP, UMR 1095, 234, avenue du Brézet, 63100 Clermont-Ferrand, France 2 Inra-CNRS, UMR 441, BP 52627, 31326 Castanet-Tolosan, France 3 Inra-UBP, UMR 1095, 24, avenue des Landais, 63177 Clermont-Ferrand, France 4 CETIOM, ENSAT, 18 Chemin de Borde-Rouge, BP 32607 31326 Auzeville-Tolosane France 5 Inra, UMR santé végétale (Inra-Enita), centre de recherches de Bordeaux, la Grande Ferrade, BP ...

Introduction Sunflower (Helianthus annus) seeds and byproduct meals are of importance in some parts of the world because they provide a source of high-oil protein material for livestock diets. The major sunflower producing areas of the world today are Argentina, China, Eastern Europe, and the United States. Although Australia produces only relatively small amounts of sunflower meal (Table 1), i...