Identification of tuber rot pathogen on Stachys sieboldii Miq.was carried out with morphological and molecular methods for the first time.Though the observation of morphology and color of the colonies,morphology of ma...Identification of tuber rot pathogen on Stachys sieboldii Miq.was carried out with morphological and molecular methods for the first time.Though the observation of morphology and color of the colonies,morphology of macroconidia,microconidia and chlamydospores,it was preliminarily identified as Fusarium oxysporum.The fungus DNA was amplified by PCR with the universal primers of fungal rDNA ITS1 and ITS4,and sequenced.The sequencing results were logged in GenBank to BLAST,and all of the molecular detections and morphologic observations showed that the pathogen was F.oxysporum.展开更多
[目的]筛选防控刺梨白粉虱的药剂。[方法]选取5种高效低毒化学杀虫剂开展对刺梨白粉虱的田间防效试验,并评价施药后对刺梨品质和产量的影响。[结果]60%呋虫胺WG和50%噻虫胺WG对刺梨白粉虱的综合防效及对刺梨品质和产量的提升效果较好,药...[目的]筛选防控刺梨白粉虱的药剂。[方法]选取5种高效低毒化学杀虫剂开展对刺梨白粉虱的田间防效试验,并评价施药后对刺梨品质和产量的影响。[结果]60%呋虫胺WG和50%噻虫胺WG对刺梨白粉虱的综合防效及对刺梨品质和产量的提升效果较好,药后3 d防效均超过89%,药后7 d防效均在90%以上,其中50%噻虫胺WG的防效达95.93%,药后14 d 60%呋虫胺WG的防效降幅最小。[结论]推荐60%呋虫胺WG和50%噻虫胺WG作为防控刺梨白粉虱的药剂。展开更多
基金新科研基金(SYN 2009005)资助项目supported by grants from National Basic Research Program of China(2010CB534912)+1 种基金The Doctoral Program of the Ministry of Education(200806570003)The Government of Guizhou Province Talents Fund(200822)~~
基金supported by a grant from the Ministry of Science and Technology,Finance,Special Action of Richening Farmer and Strengthening County Research Program(205)
文摘Identification of tuber rot pathogen on Stachys sieboldii Miq.was carried out with morphological and molecular methods for the first time.Though the observation of morphology and color of the colonies,morphology of macroconidia,microconidia and chlamydospores,it was preliminarily identified as Fusarium oxysporum.The fungus DNA was amplified by PCR with the universal primers of fungal rDNA ITS1 and ITS4,and sequenced.The sequencing results were logged in GenBank to BLAST,and all of the molecular detections and morphologic observations showed that the pathogen was F.oxysporum.
文摘[目的]筛选防控刺梨白粉虱的药剂。[方法]选取5种高效低毒化学杀虫剂开展对刺梨白粉虱的田间防效试验,并评价施药后对刺梨品质和产量的影响。[结果]60%呋虫胺WG和50%噻虫胺WG对刺梨白粉虱的综合防效及对刺梨品质和产量的提升效果较好,药后3 d防效均超过89%,药后7 d防效均在90%以上,其中50%噻虫胺WG的防效达95.93%,药后14 d 60%呋虫胺WG的防效降幅最小。[结论]推荐60%呋虫胺WG和50%噻虫胺WG作为防控刺梨白粉虱的药剂。
