The pivotal role of cultivated grapevine (Vitis vinifera L.) in many countries economy is compromised by its high susceptibility to Plasmopara viticola, the causal agent of downy mildew disease. Recent research has identified a set of genes related to resistance which may be used to track downy mildew infection. Quantification of the expression of these resistance genes requires normalizing qPC...

This paper is a general survey of work on Goppa-type codes from higher dimensional algebraic varieties. The construction and several techniques for estimating the minimum distance are described first. Codes from various classes of varieties, including Hermitian hypersurfaces, Grassmannians, flag varieties, ruled surfaces over curves, and Deligne-Lusztig varieties are considered. Connections wit...

Yellow Leaf Syndrome is a relatively new disease of sugarcane caused by Sugarcane Yellow Leaf Virus (SCYLV) and/or Sugarcane Yellows Phytoplasma (SCYP). Common symptoms include yellowing of the leaf midrib, sucrose accumulation in the leaves and leaf necrosis. Tissue-blot immunoassay and Titan One Tube RT-PCR are routinely used to determine the presence of SCYLV. Leaf samples taken from six imp...

In this paper we discuss French prosody in the light of language contact. Data of three contact varieties of French are compared with two varieties spoken in monolingual contexts. The data are semi-automatically processed, and three prosodic features are analyzed: metrical weight of the Accentual Phrases (AP), respect of AP formation constraints, and realizations of sandhi phenomena. Rhythmic c...

Let X be a projective variety and let C rational normal curve on X. We compute the bundle of in general complete intersection hypersurfaces sufficiently large degree As result, we establish separable connectedness class varieties, including Fano intersections at least three flag arbitrary characteristic. In addition, give new way computing certain curves products varieties terms their restricte...

The conjecture on the (degree − codimension+ 1)regularity of projective varieties is proved for smooth linearly normal polarized varieties (X, L) with L very ample, for low values of ∆(X, L) = degree− codimension− 1. Results concerning the projective normality of some classes of special varieties including scrolls over curves of genus 2 and quadric fibrations over elliptic curves, are proved.