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1.
安徽省薹草属(Carex Linn.)植物增补 总被引:2,自引:0,他引:2
苏宋旺 《安徽农业大学学报》2009,36(4)
报道采自安徽的薹草属3个新种、2个亚种和1个变种以及薹草属1个新组.即牯牛薹草Carex guniuensis S.W.Su,琅琊薹草Carex langyaensis S.W.Su,X.M.Fang,et al,缘喙薹草Carex rhynchophora Franch.var.margineorostris S.W.Su,大通薹草Carex datongensis S.W.Su,华阳薹草Carex truncatigluma C.B.Clarke subsp.huayangensis S.W.Su,长穗刻鳞薹草Carex incisa Boott subsp.longissima S.W.Su;1个新组:隐匿薹草组Sect.Infos-sae S.W.Su.Sect.nov. 相似文献
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该文对亚洲分布的E.barbeyanum,E.dipsacoides,E.cristatum,E.echinulatum,E.hamiltonianum,E.henryanum,E.hookerianum,E.kradungense,E.nautiliforme,E.nigrum和E.thwaitesii等谷精草属(Eriocaulon L.)11个种的分类问题进行了详细的研究.补充并纠正了E.nigrum Lec.和E.halmitoniamum Martius的形态描写.公开发表新种E.pseudotruncatum和新变种E.truncatum Ham.ex Martius var.florensense.E.seticuspe Ohwi,E.echinulatum Martius var.seticuspe Ohwi,E.echinulatum Martius var.tenue Satake,E.robinsonii Moldenke和E.poilanei Moldenke 5个种(变种)处理为同物异名. 相似文献
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首次报道了河南省玉兰属新记录和新记录变种。它们是:罗田玉兰Yulaniapilocarpa(Z.Z.ZhaoetZ.W.Xie)D.L.Fuvar.alba(Treseder)D.L.FuetT.B.Zhao,var.transl.nov. 相似文献
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<正> 1. Quercus aliena B1. var. pekingensis Schott. f. alticupuliformis (Liouet S. X. Li)H. W. Jen et L. M. Wang comb. nov.—Q. aliena B1. var. jeholensis Liou et S. X. Li in F1. Lign. N. -E.Chin. 219. 1955. —Q. aliena B1. var. alticupuliformis H. W. Jen et L. M.Wang in Bull. Bot. Res. 4 (4):197. f. 3. 1984.2. Quercus serrata Thunb. var. tomentosa (B. C. Ding et T. B. Chao)Y. C. Hsu et H. W. Jen comb. nov.—Q. glandulifera B1. var. tomentosa B. C. Ding et T. B. Chao F1.Honan 《河南植物志》 1:248. 1981.3. Quercus senescens Hand. -Mazz. var. muliensis (Hu)Y. C. Hsu etH. W. Jen comb. nov. 相似文献
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该文对亚洲分布的E .barbeyanum ,E .dipsacoides,E .cristatum ,E .echinulatum ,E .hamiltonianum ,E .henryanum ,E .hookerianum ,E .kradungense,E .nautiliforme ,E .nigrum和E .thwaitesii等谷精草属 (EriocaulonL .) 11个种的分类问题进行了详细的研究 .补充并纠正了E .nigrumLec .和E .halmitoniamumMartius的形态描写 .公开发表新种E .pseudotruncatum和新变种E .truncatumHam .exMartiusvar.florensense.E .seticuspeOhwi,E .echinulatumMartiusvar.seticuspeOhwi,E .echinulatumMartiusvar.tenueSatake ,E .robinsoniiMoldenke和E .poilaneiMoldenke 5个种 (变种 )处理为同物异名 相似文献
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《农业工程技术:农产品加工》2007,(10):71-72
Asia A.D.C.Ltd.电话:010-64654075、6465409513501055631网址:www.asiacorporation.netRENOLIT Ondex电话: 33380468049网址:www.ondex.com爱尔达-祥利自控技术公司电话:010-67603838网址:www.eldarshany.com拜耳光翌板材有限责任公司电话:010-67883331网址:www.bayerguangyi. 相似文献
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报道1 亚种2 变种1 变型, 其中伏毛八角枫Alangium chinese (Lour .)Harms ssp .strigosum Fang , 多叶浙江木蓝Indigofera parkesii Craib var .polyphylla Y .Y .Fang et C .Z .Zheng , 毛冻绿Rhamnus uti lis Decne var .hypochrysa (Schneid .)Rehd.为浙江分布新记录;白花网络崖豆藤Millettia reticulata Benth .form.albiflora Y .Q .Zhu et G .L .Zheng form .nov .为新变型。 相似文献
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Ning SUN Sanfeng CHEN Xiangming XIE Yueju WANG Gangqiang LI Nan WANG Dehu LIU 《农业科学与技术》2014,(3):321-325
T4 lysozyme was engineered with disulfide bonds and expressed in Pichia pastoris. The secreted proteins were purified and made into powder by lyophiliza-tion. Recombinant protein purity was more than 70% measured by HPLC. The lytic activity of variant T4-lysozyme was measured by the lysis of the cel wal of Xan-thomonas oryzae pv. oryzae, X. oryzae pv. oryzicola, Ralstonia solanacearum comb. nov, Clavibacter michiganensis subsp. michiganensis, X. campestris pv. mal-vacearum, Fusarium oxysporium sp. vasinfectum, Verticil ium dahliae kleb. Inhibition zone assay showed that variant T4 lysozyme significantly inhibited X. o. oryzicola and X. c. malvacearum. The antifungal activities of this protein against F. o. vasin-fectum and V. d. kleb were also analyzed. 相似文献
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ZONG Xu-xiao Rebecca Ford Robert R Redden GUAN Jian-ping WANG Shu-min 《中国农业科学(英文版)》2009,8(3):257-267
To assesse the genetic diversity among wild and cultivated accessions of 8 taxonomic groups in 2 species, and 5 subspecies under Pisum genus, and to analyze population structure and their genetic relationships among various groups of taxonomy, the study tried to verify the fitness of traditionally botanical taxonomic system under Pisum genus and to provide essential information for the exploration and utilization of wild relatives of pea genetic resources. 197 Pisum accessions from 62 counties of 5 continents were employed for SSR analysis using 21 polymorphic primer pairs in this study. Except for cultivated field pea Pisum sativum ssp. sativum var. sativum (94 genotypes), also included were wild relative genotypes that were classified as belonging to P. fulvum, P. sativum ssp.abyssinicum, P. sativum ssp. asiaticum, P. sativum ssp. transcaucasicum, P. sativum ssp. elatius var. elatius, P. sativum ssp. elatius var. pumilio and P. sativum ssp. sativum var. arvense (103 genotypes). The PCA analyses and 3-dimension PCA graphs were conducted and drawn by NTSYSpc 2.2d statistical package. Nei78 genetic distances among groups of genetic resources were calculated, and cluster analysis using UPGMA method was carried out by using Popgene V1.32 statistical package, the dendrogram was drawn by MEGA3.1 statistical package. Allelic statistics were carried out by Popgene V1.32. The significance test between groups of genotypes was carried out by Fstat V2.9.3.2 statistical package. 104 polymorphic bands were amplified using 21 SSR primer pairs with unambiguous unique polymorphic bands. 4.95 alleles were detected by each SSR primer pair in average, of which 65.56% were effective alleles for diversity. PSAD270, PSAC58, PSAA18, PSAC75, PSAA175 and PSAB72 were the most effective SSR pairs. SSR alleles were uniformly distributed among botanical taxon units under Pisum genus, but significant difference appeared in most pairwise comparisons for genetic diversity between taxon unit based groups of genetic resources. Genetic diversity level of wild species P. fulvum was much lower than the cultivated species P. sativum. Under species P. sativum, P. sativum ssp. sativum var. sativum and P. sativum ssp. asiaticum were the highest in gentic diversity, followed by P. sativum ssp. elatius var. elatius and P. sativum ssp. transcaucasicum, P. sativum ssp. elatius var. pumilio, P. sativum ssp. sativum vat. arvense and P. sativum ssp. abyssinicum were the lowest. Four gene pool clusters were detected under Pisum genus by using PCA analysis. Gene pool "fulvum" mainly consisted of wild species Pisum fulvum, gene pool "abyssinicum" mainly consisted of P. sativum ssp. abyssinicum, and gene pool "arvense" mainly consisted of P. sativum ssp. sativum var. arvense. While gene pool "sativum" were composed by 5 botanical taxon units, they are P. sativum ssp. asiaticum, P. sativum ssp. elatius var. elatius, P. sativum ssp. transcaucasicum, P. sativum ssp. elatius var. pumilio and P. sativum ssp. sativum var. sativum. "sativum" gene pool constructed the primary gene pool of cultivated genetic resources; "fulvum" gene pool, "abyssinicum" gene pool and "arvense" gene pool together constructed the secondary gene pool of cultivated genetic resources. Pairwise Nei78 genetic distance among botanical taxon based groups of pea genetic resources ranged from 7.531 to 35.956, 3 large cluster groups were identified based on the UPGMA dendrogram. Group Ⅰ equals to "sativum" and "arvense" gene pools, Group Ⅱ equals to "abyssinicum" gene pool, and Group Ⅲ equals to "fulvum" gene pool. The UPGMA clustering results generally supporting the PCA clusting results. There were significant differences among most botanical groups under Pisum genus, with clear separation of four gene pools for genetic diversity structure. The research results partially support the traditional botanical taxonomy under Pisum genus, and pointed out its advantage and shortcoming. In order to broaden the genetic bases of pea varieties, the genetic potentials in the four gene pools should be thoroughly exploited. 相似文献
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贵州省有8种斑潜蝇,分别是:南美斑潜蝇L.huidobrensis、美洲斑潜蝇L.sativae、番茄斑潜蝇L.bryoniae、菊斑潜蝇L.compositella 、豌豆斑潜蝇L.congesta、菜斑潜蝇L.brassicae、黑背斑潜蝇L.trifoliearum、黑胸斑潜蝇L.xanthocer.以南美斑潜蝇L.huidobrensis、美洲斑潜蝇L.sativae发生最普遍,尤其以南美斑潜蝇L.huidobrensis危害最严重.两种斑潜蝇嗜食的作物是菜豆、蚕豆、豇豆、黄瓜.对4种作物全生育期进行了系统调查,斑潜蝇属的优势度大小依次是菜豆、黄瓜、豇豆、蚕豆.蚕豆和菜豆遭受到南美斑潜蝇L.huidobrensis的危害较大,而豇豆和黄瓜遭受到南美斑潜蝇L.huidobrensis和美洲斑潜蝇L.sativae两种的危害. 相似文献
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桉树伞房属4个种在广东清新的早期生长表现 总被引:2,自引:1,他引:1
分析了引自澳大利亚东部的桉树伞房属4个种在广东省清新试验点5年生时的生长表现.方差分析表明,树种间、种源间、家系间在树高、胸径、材积生长量上均存在极显著的差异.表现最好的是大叶斑皮桉Corymbia henryi (S.T. Blake) K.D. Hill & L.A.S. Johnson,其次是斑皮柠檬桉C. variegata (F. Muell.) K.D. Hill & L.A.S. Johnson、柠檬桉C. citriodora (Hook.) K.D. Hill & L.A.S. Johnson和斑皮桉C. maculata (Hook.) K.D. Hill & L.A.S. Johnson.4个树种的平均树高为8.04 m,平均胸径为7.28 cm,平均单株材积为0.021 9 m3.其中斑皮柠檬桉10248种源44号家系的生长量最大,其平均树高为10.35 m,平均胸径为9.70 cm,平均单株材积为0.040 00 m3.初步选出20个家系,占家系总数的21.98%. 相似文献
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亚洲谷精草属植物研究(Ⅰ) 总被引:2,自引:1,他引:1
讨论谷精草属 (Eriocaulon L.) 世界性及亚洲分布的E. setaceum, E. australe, E. exangulare, E.willdenovianum, E. decemflorum, E.wightianum, E.cinereum, E. alpestre 8个种的分类问题. 补充纠正了E. alpestre Koern. 的形态描写.10个种(变种)处理为同物异名. 相似文献
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The phylogenic and genetic relationships in germplasm resources of Chinese Ziziphus were studied at molecular levels, for providing new molecular evidences of classification, protection, and utilization of germplasm resources of Ziziphus. The sequence-related amplified polymorphism (SRAP) was assessed to analyse the genetic relationships among 14 species of Ziziphus, 11 cultivars of Z. jujuba Mill., and one outgroup. A total of 580 DNA bands were amplified by 19 selective primers, 570 of which (98.28%) were polymorphic. The average number of polymorphic DNA bands amplified by each primer was 30. The genetic similarities of 26 sample materials were between 0.22 and 0.99. UPGMA method cluster analysis showed that 26 sample materials were classified into six cluster groups with the genetic similarity of 0.28. The results showed that SRAP technique is efficient in studying genetic relationships among Ziziphus, Z. jujuba Mill. and Z. acidojujuba C. Y. Cheng et M. J. Liu which should be treated as one species, and further infraspecific classification of Z. jujuba Mill. should be classified into two subspecies; the scientific names of new taxa, Chinese jujube, and wild jujube were Ziziphus jujuba Mill. subsp, jujuba and Ziziphus jujuba Mill. subsp, spinosa (Bunge) J. Y. Peng, X. Y. Li et L. Li, respectively. Z. xiangchengensis Y. L.Chen et P. K. Chou, Z. montana W.W. Smith and Z. mairei Dode might be originated from same ancestry. Z xiangchengensis Y. L. Chen et P. K. Chou and Z. montana W.W. Smith should be treated as one species. The infrasubspecific taxon of Z. jujuba Mill. was not suitable to set up varieties. 相似文献
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披针叶沟瓣(新种)
Glyptopetalum lancilimbum C.Y.Wu ex G.S.Fan et Y.J.Xu sp.nov.
本种在花柄及果柄的特征上近似于G.longipedicellatum(Merr.et Chun)C.Y.Wu,但不同的是叶披针形,具短柄,两面网脉极明显而易于区别.…… 相似文献
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一、供试材料 1.棉花品种 DP99B. 2.防治对象 棉花枯萎病. 3.供试药剂及用量 处理A:昼夜长700倍液.处理B:绿丰霖10克/667米2.处理C:爱增美3 000倍液.处理D:棉康宁20克/667米2.处理E:清水20千克/667米2. 相似文献