Crop Genebank Knowledge Base

Guidelines

Guidelines for safe transfer of forage grass germplasm

Contributors to this page: CIAT, Colombia (Maritza Cuervo, Cesar Medina, Jose Luis Ramirez, Socorro Balcazar, Josefina Martinez, Daniel Debouck); ILRI, Ethiopia (Jean Hanson, Janice Proud, Juvy Cantrell).

Technical Guidelines for the Safe Transfer of Germplasm and the
Protection of CGIAR Germplasm Banks

Pathogens of quarantine significance of forage grass (CIAT, ILRI)

Viruses

Digitaria striate rhabdovirus (DSV)

Elephant grass mosaic virus (EMV)

Guineagrass mosaic virus (GGMV)

Johnsongrass mosaic virus (JGMV)

Maize dwarf mosaic virus (MDMV)

Maize streak virus (MSV)

Sugarcane mosaic virus (SCMV)

Bacteria

Xanthomonas axonopodispv.phaseoli.

Xanthomonas campestris pv. graminis (Egli et al.)Dye

Xanthomonas campestres pv. Phlei

Fungi

Ascochyta graminícola (Sacc. [Reported in Andropogon gayanus by Lenné, 1994].

Ascochyta paspali (H. Sydow) Punith [Reported in Paspalum sp. by Lenné, 1994].

Botrytis cinerea(Pers. 1794 (Teleomorph. Sclerotinia fuckeliana (de Bary) Fuckel).

Curvularia spp.

Curvularia cymbopogonis (Dodge) Groves et Skolko – Purple leaf spot

Curvularia penniseti (Mitra) Boedijn Synonym: Acrothecium penniseti Mitra

- Curvularia leaf spot

Curvularia pallescens Boedijn 1933 Synonym: Pseudocochliobolus pallescens

Tsuda & Ueyama

Drechslera spp.

Drechslera setarie (S. Ito and Kuribay.) Dastur.

D. sacchari (Butler) Subram. and Jain

Helminthosporium spp. New classification: Exserohilum spp.

Phoma sorghina (Sacc.) Boerema, Dorenb, and van Kest.

Pyricularia oryzae Cavara

Synonym: Pyricularia grisea (Cooke) Sacc., anamorph of Magnaporthe grisea (T. T. Hebert) Yaegashi & Udagawa.

Rhizoctonia solani J.G. Kühn 1858 (Teleomorph Thanatephorus cucumeris (Frank) Donk.)

Synonym: Thanatephorus cucumeris (A.B. Frank) Donk 1956

Sphacelia sp. (Teleomorph. Claviceps spp.)

Claviceps sp., Claviceps sulcata Langdon, Claviceps cynodontis Langdon, Claviceps pucilla Ces., Claviceps paspali F.L. Stev. and Hall., Claviceps maximens Theiis

Tilletia aryesii Berk.

Ustilago kamurensis P. & H. Sydow

Insects

Acantoscelides sp.

Zabrotes spp.

Nematodes

Ditylenchus dipsaci (Kühn) Filipjev

Meloidogyne spp.

Phytoplasma

Stunt disease