A STUDY OF THE COMPATIBILITY OF CERTAIN APRICOT VARIETIES GRAFTED ON SEVERAL ROOTSTOCKS

There are several hundred of apricot varieties in the Vesuvius area deriving from chance seedlings (Casella, 1934; Forte, 1962). They have recently been studied and assessed from the agronomic standpoint (Fideghelli and Monastra, 1968; Cirillo et al., 1977).

The excellent productive and qualitative characteristics of some of the cultivars studied have led fruits growers to grow them outside the traditional Vesuvius area in soil conditions that make it difficult to use seedling rootstocks.
It was therefore necessary to look for other rootstocks.
Numerous Authors have studied (Bernhard and Duquesne, 1961; Tabuenca and Herrero, 1966; Chartier, 1969; Sansavini et al., 1970) the possibility of grafting apricots on to other species.
The results obtained shown that there is interspecific incompatibility.
Since the degree of incompatibility varies with the variety and the rootstock (Tabuenca and Herrero, 1966; Duquesne, 1969, 1970; Sansavini et al., 1970), we judged it worth examining the behaviour of some the more interesting of the so-called Vesuvian cultivars grafted on various rootstocks in conditions different to those of the Vesuvius area.

Preliminary results confirmed the possibility of using rootstocks of different species also in the case of Vesuvian cultivars (Monastra et al., 1973).

This paper illustrates the results obtained after 10 years of observations.

VII Symposium on Apricot Culture and Decline

C. DAMIANO, F. MONASTRA

https://doi.org/10.17660/ActaHortic.1983.121.38