While studying topworking using different combinations of lychee cultivars, authors (HU et.al., 2010) noticed a vigorous growth of 'Nuomici' topworked into 'Baitangying', and also of cv.
The highest mean number of leaves were obtained by plants topworked with cv 'Bengal', which was statistically higher than that of the cultivars 'Nuomici', 'Heiye', and 'Kway May Pink' except for the cultivar 'Feizixiao'.
There were no significant differences in leaf greenness (SPAD value) among topworked cultivars with an average of 37.7 throughout the experiment (Table 6).
The low SPAD values of the topworked cultivars compared with those reported by Fu et al.
The amount of chlorophyll was similar for all topworked cultivars, thus indicating the feasibility and vigor of these graftings.