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- The honeydew excretion and amino acids in the honeydew from the nymph of pear psylla (Psylla chinensis Yang et Li) were studied. 本文研究了中国梨木虱Psylla chinensis Yang et Li若虫期的排蜜规律及蜜露中氨基酸成分。
- Field Tests on 10% Imidacloprid WP against Psylla Chinensis Yang et Li 10%25吡虫啉WP防治梨木虱药效试验
- CONTROL EFFECTS OF HARMONIA AXYRIDIS PALLAS ON PSYLLA CHINENSIS YANG ET LI NYMPHS 异色瓢虫对中国梨木虱若虫的捕食作用
- Psylla chinensis Yang et Li 梨木虱
- Abstract： Pseudophacopteron canarium Yang et Li belongs to Trioidaze of Homoptera , which has been a key pest on the olive since 1980s. 橄榄星室木虱(Pseudophacopteron canarium Yang et Li)隶属同翅目木虱科，是20世纪80年代后期以来橄榄上最重要的害虫。
- STUDIES ON THE EXTERNAL MORPHOLOGICAL CHARACTERS OF PSYLLA CHINESIS YANG ET LI NYMPHS 中国梨木虱若虫外部形态特征的研究
- Cornegenapsylla sinica Yang et Li 龙眼角颊木虱
- Pseudophacopteron canarium Yang et Li 橄榄星室木虱
- Controlling test on the method of ring cutting and applyng chemical against Macrohomota Sinica Yang et Li of Ficus microcarpal 小叶榕华卵痣木虱环割涂药防治试验
- Paratrioza sinica Yang et Li 枸杞木虱
- The secretions and getting rid of technique are major presented, that provided the theory basis and practical txperience for the difficult questions to control Psylla Chinensis in pear orchards. 梨木虱及其分泌物的危害和综合防治的研究进展.;重点介绍了中国梨木虱分泌物及其破除技术;为解决梨树生产中梨木虱难防治问题提供了理论依据和实践经验
- Yang et Huang var .szechuenense CraibYang et Huang [Desmodium szechuenenseCraibA.K. 拉丁植物动物矿物名Podocar pium pldocarpum DC.
- But Guo does not want to offend somebody, Yang et al. is not willing “to come in vain”, simply transfers robs Guo, has robbed his handset. 可是郭某不想伤人，杨某等人不愿“白来一趟”，干脆转而抢劫郭某，抢走了他的手机。
- Honeydew excretion and amino acids in honeydew of Psylla chinensis 中国梨木虱若虫的排蜜规律及蜜露中氨基酸成分的研究
- Results The second intermediate host for Paragonimus is Sinopotamon pinheense Cheng et Li, 1998. 结果梅州市并殖吸虫第二中间宿主均为平和华溪蟹。
- Field Tests of 10% Imidacloprid WP against Psylla Chinensis 10%25吡虫啉可湿性粉剂防治梨木虱田间试验
- Among the ladybird beetles, N. ryuguus and Keiscaymnus taiwanenisis Yang et Wu were two most abundant species, which followed well the dynamics of the pine mealybug in nature. 林间湿地松粉蚧捕食性天敌昆虫以瓢虫类数量居多，粉蛉类次之，草蛉类和蜘蛛也有一定的数量。
- Uniflos Yang et P. H. Huang has been reduced to the genus Do-decadenia and Litsea monantha Yang et P. H. Huang to Dodecadenia gran-diflora Nees var. grandiflora according to the type specimen. Lindera cau-data (Nees) Hook. f. Huang归入单花木姜子属;并把Litsea monantha Yang et P.;H
- A study on condition for causing mildew of secretion from Psylla chinensis and the harm of the mildew 中国梨木虱分泌物霉变条件及其危害研究
- Rules of the incidence of Psylla chinensis and the integrated Management technology 梨木虱的发生规律及综合防治技术
