A number of parasitic fungi are causal agents of leaf and stem spots of sunflower. Most important and most harmful agents of leaf spot are Alternaria helianthi, the agent of brown spot, and Septoria helianthi, the agent of gray spot. They are not frequent on sunflower stems. Most frequent...
Print the sunflower template at the bottom of the post for the leaves, stem, and sunflower center. In case you need hands, you can also use our hand templates. Cut out the hands in yellow construction paper, the sunflower's center in brown construction paper, and then the leaves and ...
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Degener J, Melchinger AE, Hahn V. Resistance in the leaf and stem of sunflower after infection with two isolates of Phomopsis . Plant Breeding 1999; 118: 405–410.Degener J, Melchinger AE, Hahn V. Resistance in the leaf and stem of sunflower after infection with two isolates of ...
step-by-step instructions. Start by forming the flower's petals with glued craft sticks, add a burst of yellow paint, and finish with a black cardstock center cut with wavy shears. Add a green stem and leaf for a touch of realism. Engage in this craft and let the sunny disposition of...
Shobharani T and Ravikumar R L 2003 Reaction of interspecific lines to Alternaria leaf and stem blight in sunflower. Helia 26(38) : 115-120.Shobharani, T. and Ravikumar, R. L. 2003. Reaction of interspecific lines to Alternarialeaf and stem blight in sunflower. helia. 26(1): 115- ...
were mostly down-regulated in response to either stress condition, whereas a large number of genes derived from an R4 flower developmental stage and stem libraries (representing differential sequences of flower bud and stem arrested both with leaf, respectively) showed an up-regulation transcriptional...
The sunflower grain is an achene comprised of two main components: the pericarp (coat or hull), resulting from the fusion of the ovary tissues and part of the receptacle (maternal origin), and the embryo, formed by two cotyledons and a small stem and radicle, derived from the egg fertili...
Diaporthe gulyae, first identified as causing stem lesions and mid-stem lodging on sunflower in Australia, is a highly virulent pathogen now also reported on sunflower in Argentina, Canada, China and North America. This report details the first observations of sunflower leaf infection by D. ...
The present study was to evaluate the adjuvant effect of sunflower seed oil containing saponins extracted from the stem and leaf of Panax ginseng C.A. Meyer (E515-D) on the immune response induced by an inactivated Newcastle disease virus (NDV) in chickens. The results showed that E515-D...