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Lychee flowering characteristics of the ancient Leshan

Lice be sure to complete, the village or contiguous orchards between the time of unification must be unified medication to prevent fleas migration. Engage in the county end of 2006 after a three-month inspection campaign, the incidence rate controlled at 0.8 or less strain, but by the end of 2007, the incidence had almost reached the level of the end of 2006. The main reason, in addition to a considerable part of the original one after another in the performance of latent symptoms of the disease outside of the tree, another reason is that some farmers cut down before the culling of diseased trees dug psyllid, even the village or contiguous to stagger the time between orchards, Unity unified time did not do drugs, culling fleas is not very thorough and accelerated the spread. So be sure to complete culling psyllids, connected between the village and village, contiguous orchards and orchards between the time a unified treatment must be unified, thorough culling of fleas and prevent its migration, and disease. 2.3 citrus seedlings must strengthen the production and management. Citrus seedling production and management of the disorder, leading to the spread of citrus diseases against one of the important reasons. Prevention and control in the course of the past two years, I found a rule, the results have been harvested in the contiguous Old Orchard for many years,uggs kopen, as long as no new development around the orchard planting, replanting orchards and no sporadic Xinmiao, which an orchard is basically a very light onset did not even happen. The hardest hit is basically the young and the old orchard area planted orchards interlaced. The results have not yet begun, many young orchards,jordan shoes, the incidence rate is high, and some even reached 9O. After investigation and verification, is basically Guomiao ill come. Therefore, we must strengthen the citrus nursery stock production and management,uggs online, while strengthening publicity and training, so that people know the dangers of planting seedlings sick, and consciously resist the seedlings of unknown origin, from the source to prevent the occurrence of citrus diseases. (On page 4) [3] Liang, Zhu Jianhua, Xu Ning. Royal red lychee flowering characteristics and results [J]. Subtropical Plant Science, 2006,35 (4) :22-23. [4] Zhu Jianhua, Ren Hui,uggs kopen, Xu Ning, et al. Guiming I, longan flowering and fruit growth characteristics [J]. China's tropical agriculture, 2006 (4) :34-35. [5] Liang Changwen, Yin Tai wide. Phoebe leaves flowering habit preliminary observations [J]. Four Jll fruit trees, 1993,21 (2) :1-3. [6] Shi Qing Rao. Fruit growth and development in Southern and control technology [M]. Beijing: China Agriculture Press, 2002, (1) :16-21. Studyonfloweringcharacteristi6sofLeshanoldagelitchiLIANGZi, WANGShu-fang, HUANGMing-yuan, HUXia, WANDong-hai (CollegeofChemistry8L Si Science, LeshanTeachersCollegeLeshan614000) Abstract: TheinvestigationandanalysisofthefloweringcharacteristicsofmaleandfemaleflowersofLeshanoldagelitchiwereconductedfromsingleear, singleplantandplantpopulation. TheresultsshowedthatthefloweringorderwasfrommaleflowertOfemaleflowertOmaleflower. Thefloweringperiodofmaleflowersynchronouswithfemaleflowerinthepopulationwerelongerthanthatinasingleearorasingleplant. Thepeaktimeoffemaleflowerdroppingwas7 ~ 10dafterflowering. AndtWOpeaksofmaleflowerdroppingwere10 Keywords: oldagelitchi; femaleflower; maleflower; flowerdropping
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