The Citrus Variety Improvement Program in Spain (CVIPS) started in 1975. It has the following
objectives: a) to recover pathogen-free plants of local cultivars by shoot-tip grafting in vitro …

Viroids have been shown to be widespread in all rootstocks and varieties tested. Evaluation
of the effect of viroids on the growth and productivity of grapevines, as well as on grape …

A method of shoot-tip grafting in vitro has been developed to obtain virus-free peach plants.
It consists of aseptically grafting a 0.5–1.0 mm long shoot tip excised from a diseased plant …

Peach latent mosaic (PLM) disease is induced by a viroid (PLMVd). The comparison
between two diagnostic tests for PLMVd, a biological indexing procedure based in the cross-…

The Citrus Variety Improvement Program in Spain (CVIPS) started in 1975 with the following
objectives: a) to recover virus-free plants by shoot-tip grafting in vitro from cultivars selected …

INRA, Station de Recherches IVIA Page 1 STUDY OF GROWTH PARAMETERS ON APRICOT
SHOOT-TIP GRAFTING IN VITRO (STG) JM Deogratias, V. Castellani J. Juarez, JM Arregui, С …

Conclusion From our preliminary tests it appears that the radiations from 60Co as mutagen
agent can be a useful means to stimulate great variability in Citrus. On the'Monreal'…

Virus and viruslike diseases cause great economic losses to the Spanish citrus industry (Navarro,
1977). Practically 100 per cent of our local selections are infected with one to several …

Peach cultivation in the Murcia region in Spain occupies more than ten thousand hectares.
About 90% of this hectarage is planted with local varieties that produce high quality fruits, but …

The method of shoot tip grafting in vitro (STG) has been developed to recover virus-free almond
plants. It consists of aseptically grafting a 0.5–1.5 mm long shoot-tip from infected plants …