THE VARIABILITY STUDY OF MORPHOLOGICAL CHARACTERS ON SOME SALIX SPP. GENOTYPES
The present study followed the analysis of some characters of 14 Romanian and Swedish genotypes of energy willow in different ecological conditions. Thus, they were analyzed the next characters: stem diameter on the base, total grow/pl., grow/stem, plant height and. no. of stems/pl. The analyzed factors were: the area and the genotype. The area factors had three levels: Radovan (medium fertility soil - Control), Tâmbureşti (sandy soil on irrigation) and Işalniţa (antropomorphic soil formed from coal ash). The recorded date showes the diversity and the genetic potential of the biological material, emphesizing the well beahivour of the local genotypes RO 1077, RO 1082 and RO 892 created on ICAS Bucharest in the three location. The foreign genotypes with good results were Inger siTorhild. Analyzing the averagre values recored in the three location, the best results were obtained in the Tamburesti area under irrigation conditions, no matter the studied character, the humidity level from the soil being a key factor for the success of the energy willow crop, no matter the soil type or genotype.