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Scientia Silvae Sinicae ›› 1997, Vol. 33 ›› Issue (5): 427-431.

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HORlZONTAL AND VERTICAL RESISTANCE OF CASUARINA CLONES TO THE ISOLATES OF PSEUDOMONAS SOLANACEARUM

Jun Wang   

  1. College of Forestry, South China Agricultural University Guangzhou 510642
  • Received:1995-08-10 Online:1997-09-25 Published:1997-09-25

Abstract:

A test by crossing inoculation of 6 isolates of Pseudomonas solanacearum to 7 Casuarina clones demonstrated that there were significant variations in disease severity among clones and isolates; the interaction between clones and isolates was also significant. The results suggested that both horizontal and vertical resistance existed in the pathosystem and their implication in selection and breeding of resistant Casuarina clones was discussed.

Key words: Casuarina clone, pseudomonas solanacearum, Horizontal resistance, Vertical Resistance