We studied the effects of different culture media on the growth of India sandalwood (Santalum album L.) seedlings in Zhanjiang, Guangdong Province in southern China. Five different growth substrates, lateritic subso...We studied the effects of different culture media on the growth of India sandalwood (Santalum album L.) seedlings in Zhanjiang, Guangdong Province in southern China. Five different growth substrates, lateritic subsoil, burnt soil, agricultural soil, peaty soil and coconut dust, were used as the basic culture materials and seven different treatments of composition were used as potting media. Kuhnia rosmarinifolia Vent. was used as a primary host plant for all treatments. Statistically significant differences were found between treatments in respects of survival rate (p 〈 0.001), height (p 〈 0.001), ground diameter (p 〈 0.001) and biomass (p = 0.002), as well as for quality index (p 〈 0.001) of S. album seedlings after 6-month growth in containers with different culture media. Among all treatments, the treatment combining burnt soil, peat and coconut dust in a weight ratio of 1:1:1 plus 2% calcium super-phosphate as basal manure achieved the best performance for most of the seedling growth parameters, including survival rate (98%), height (35.81 cm), ground diameter (0.56 cm), biomass (4.46 g) and quality index (0.65), followed by the treatment using only burnt soil plus 2% calcium super-phosphate as the culture medium (survival rate 86%, height 29.23 cm, ground diameter 0.48 cm, biomass 3.36 g and quality index 0.52), while the treatment using only lateritic subsoil plus the basal manure as the medium obtained the poorest results in survival rate (38%), height (12.04 cm), ground diameter (0.19 cm), biomass (0.26 g) and quality index (0.043). Increasing the proportion of lateritic subsoil in the medium when mixed with peat and coconut dust did not show statistically significant differences in survival, height, ground diameter, biomass nor in quality index. In consideration of cost, using burnt soil plus 2% calcium super-phosphate as basal manure may be the optimum culture medium for large-scale production of Indian sandal- wood seedlings in Guangdong, southern China.展开更多
在不同寄主植物繁殖的基础上,研究了檀香(Santalum album L.)幼苗对寄主植物的半寄生性。檀香种子发芽及幼苗生长初期,并不需要寄主植物的参与,但随后的生长其根系必须寄生于适宜的寄主植物的根上。不同寄主植物对檀香幼苗的生长和吸器...在不同寄主植物繁殖的基础上,研究了檀香(Santalum album L.)幼苗对寄主植物的半寄生性。檀香种子发芽及幼苗生长初期,并不需要寄主植物的参与,但随后的生长其根系必须寄生于适宜的寄主植物的根上。不同寄主植物对檀香幼苗的生长和吸器的发育影响不同,表现在根寄生吸器的数量、大小和结合的程度上。初步筛选了扶桑(H ibiscusrosa-sinensis)、烂头钵(Phyllanthus reticulatus)等优良的檀香幼苗寄主植物。檀香幼苗根系极不发达,细根缺乏根毛,但其导管非常发达,有利于从寄主根吸收养分和水分。此外还观察了檀香和寄主植物扶桑建立半寄生吸器的过程。展开更多
基金sponsored by the National Science and Technology Support Project "High efficient cultivation techniques of sandalwood plantation in south China (2006BAD24B0903)" a "Special construction project for improved variety experiment orchard (4400-32990190)".
文摘We studied the effects of different culture media on the growth of India sandalwood (Santalum album L.) seedlings in Zhanjiang, Guangdong Province in southern China. Five different growth substrates, lateritic subsoil, burnt soil, agricultural soil, peaty soil and coconut dust, were used as the basic culture materials and seven different treatments of composition were used as potting media. Kuhnia rosmarinifolia Vent. was used as a primary host plant for all treatments. Statistically significant differences were found between treatments in respects of survival rate (p 〈 0.001), height (p 〈 0.001), ground diameter (p 〈 0.001) and biomass (p = 0.002), as well as for quality index (p 〈 0.001) of S. album seedlings after 6-month growth in containers with different culture media. Among all treatments, the treatment combining burnt soil, peat and coconut dust in a weight ratio of 1:1:1 plus 2% calcium super-phosphate as basal manure achieved the best performance for most of the seedling growth parameters, including survival rate (98%), height (35.81 cm), ground diameter (0.56 cm), biomass (4.46 g) and quality index (0.65), followed by the treatment using only burnt soil plus 2% calcium super-phosphate as the culture medium (survival rate 86%, height 29.23 cm, ground diameter 0.48 cm, biomass 3.36 g and quality index 0.52), while the treatment using only lateritic subsoil plus the basal manure as the medium obtained the poorest results in survival rate (38%), height (12.04 cm), ground diameter (0.19 cm), biomass (0.26 g) and quality index (0.043). Increasing the proportion of lateritic subsoil in the medium when mixed with peat and coconut dust did not show statistically significant differences in survival, height, ground diameter, biomass nor in quality index. In consideration of cost, using burnt soil plus 2% calcium super-phosphate as basal manure may be the optimum culture medium for large-scale production of Indian sandal- wood seedlings in Guangdong, southern China.
文摘在不同寄主植物繁殖的基础上,研究了檀香(Santalum album L.)幼苗对寄主植物的半寄生性。檀香种子发芽及幼苗生长初期,并不需要寄主植物的参与,但随后的生长其根系必须寄生于适宜的寄主植物的根上。不同寄主植物对檀香幼苗的生长和吸器的发育影响不同,表现在根寄生吸器的数量、大小和结合的程度上。初步筛选了扶桑(H ibiscusrosa-sinensis)、烂头钵(Phyllanthus reticulatus)等优良的檀香幼苗寄主植物。檀香幼苗根系极不发达,细根缺乏根毛,但其导管非常发达,有利于从寄主根吸收养分和水分。此外还观察了檀香和寄主植物扶桑建立半寄生吸器的过程。