Abstract:

‘Lianda’，a new strawberry cultivar，was mutagenesised and screened with tissue culture
technique from‘Dasrect’，under the pressure of the mixture consisted of toxin of Fusarium oxysporum f.
sp. fragariae and 4-hydroxybenzoic acid，an autotoxin. The conical fruits are red color，strong fragrant in
aroma，which contains 0.57% titratable acid，11.9% soluble solids，7.1% total sugar and 0.771 mg · g-1
vitamin C，with 2.521 kg · cm-2 fruit firmness and good shipping quality. The cultivar is resistant to wilt
disease，leaf spot，gray mildew and powdery mildew，and suitable planted in open cultivation，semi-forcing
or forcing cultivation in Northern and Southern in China，with the yield more than 37 500 kg · hm-2. The
occurrence of continuous cropping obstacle of‘Lianda’is lighter obviously than‘Dasrect’

Key words: strawberry, continuous cropping obstacle, cultivar