[Objective] This study aimed to establish the technical system for forcing ornamental pineapple in Guzmania to flower and further provide technical parameters for large-scale cultivation.[Method] The effect of differe...[Objective] This study aimed to establish the technical system for forcing ornamental pineapple in Guzmania to flower and further provide technical parameters for large-scale cultivation.[Method] The effect of different concentrations of ethephon solution on flowering in Guzmania ornamental pineapple was studied by using randomized block design.[Results] All the different concentrations of ethephon solution were capable to force the four mainly-cultivated ornamental pineapple varieties to flower to varying degrees.After the flower forcing,it took about 180 d for the pineapple to stay in the ornamentation period,and there were no significant differences in inflorescence shape,inflorescence height,inflorescence diameter and bract number among different treatment pineapples.[Conclusion] All the four varieties have shown high sensitivity to ethephon.The optimal ethephon concentration is 400 mg/L for treating G.lingulata,G.remembrance and G.denise and 500 mg/L for treating G.conifera.After treatment,their major ornamentation traits are were able to satisfy the requirements for commercial production of pineapple.展开更多
诺基亚8600 Luna RMB 7200每天,互联网上关于新机的谍报层出不穷,之前有传言称诺基亚会在5月份发布一款8系列的新款手机,果不其然,等到5月的最后一天,传闻中的8600 Luna终于揭开了它的神秘面纱。Luna,月神。诺基亚将这个英文单词作为了...诺基亚8600 Luna RMB 7200每天,互联网上关于新机的谍报层出不穷,之前有传言称诺基亚会在5月份发布一款8系列的新款手机,果不其然,等到5月的最后一天,传闻中的8600 Luna终于揭开了它的神秘面纱。Luna,月神。诺基亚将这个英文单词作为了旗下8系列新机的名称。展开更多
文摘[Objective] This study aimed to establish the technical system for forcing ornamental pineapple in Guzmania to flower and further provide technical parameters for large-scale cultivation.[Method] The effect of different concentrations of ethephon solution on flowering in Guzmania ornamental pineapple was studied by using randomized block design.[Results] All the different concentrations of ethephon solution were capable to force the four mainly-cultivated ornamental pineapple varieties to flower to varying degrees.After the flower forcing,it took about 180 d for the pineapple to stay in the ornamentation period,and there were no significant differences in inflorescence shape,inflorescence height,inflorescence diameter and bract number among different treatment pineapples.[Conclusion] All the four varieties have shown high sensitivity to ethephon.The optimal ethephon concentration is 400 mg/L for treating G.lingulata,G.remembrance and G.denise and 500 mg/L for treating G.conifera.After treatment,their major ornamentation traits are were able to satisfy the requirements for commercial production of pineapple.