南岛无核荔枝控梢促花和保花保果技术的研究

采用不同处理组合对比分析法,根据荔枝生长物侯期,对海南省稀优品种——南岛无核荔枝进行控梢促花和保花保果研究.试验表明:A组处理效果最佳,成穗率达到85.6％,比对照增加59.8％;雌雄花比达到0.28,比对照(CK)增加了100％;座果率达到27.2％,比对照增加19.6％;单株平均产量达到20.5 kg,比对照增加150％;单果质量达38.5 g,比对照增加3.9 g.其效果极为显著.

Study on Keeping a Full Growth of Flowers and Fruits of Nandao Seedless Litchi(Litchi chinensis Sonn.)by Controlling Its Treetops and Hastening Its Blossom

Through comparison and analysis between different treatment groups, based on the phonological period of litchi growth, a study on keeping a full growth of its flowers and fruits by controlling its treetops and hastening its blossom was conducted to the unusual high-quality variety-Nandao seedless litchi in Hainan Province. The experiment showed that the treatment done to Group A yielded the best results, with a percentage of ear-bearing tiller reaching 85.6% , which registered a 59. 8% increase over that of control group;with a ratio of male flowers to female flowers reaching 0.28, which registered 100% increase than that of control group; with a fruit-bearing percentage rising to 27.2% , which registered 19.6% increase over that of control group; with an average yield from a single plant reaching 20.5 kg, which registered a 150% increase over that of control group;with a single fruit weight reaching 38.5 g,which registered 3.9 g increase over that of control group.