Abstract：
:Although phosphite (Phi)-based fertilizers are used in large quantities in agriculture, the use of Phi-based fungicides against soybean root rot caused by Phytophthora sojae are limited. While, their low toxicity are of high ecological and economic focus. Limited attention has been paid to Phi translocation efficiency in soybeans and the efficacy of Phi as a fungicide against P. sojae. In this study, we evaluated the efficiency of Phi translocation in the Williams soybean cultivar by determining the Phi concentrations in roots, stems, and leaves using high-performance ion chromatography after the application of Phi to the roots. Phi was translocated from roots to leaves within 1 h and its concentration increased significantly in leaves within 36 h after Phi application. Results of an in vitro growth inhibition assay and an in vivo infection assay showed that Phi inhibited P. sojae. Additionally, we examined the activation of the salicylic acid (SA) and ethylene (ET) defense pathways by Phi. The expression of SA and ET pathway-related genes was upregulated in most soybean tissues after Phi application. Our results provide evidence that Phi translocation suppresses root rot caused by P. sojae in soybean.
journal_name
Pestic Biochem Physioljournal_title
Pesticide biochemistry and physiologyauthors
Guo M,Li B,Xiang Q,Wang R,Liu P,Chen Qdoi
10.1016/j.pestbp.2020.104757subject
Has Abstractpub_date
2021-02-01 00:00:00pages
104757eissn
0048-3575issn
1095-9939pii
S0048-3575(20)30252-2journal_volume
172pub_type
杂志文章abstract：:Combined application of plant essential oils (EOs) with known antimicrobial effects and silica nanocapsules with high loading capacity and protection capability of the EOs make them proper candidates for creating environmentally friendly fungicides. In this study, EOs of the Lemongrass (LGO) and Clove (CO) were used a...
journal_title：Pesticide biochemistry and physiology
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journal_title：Pesticide biochemistry and physiology
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journal_title：Pesticide biochemistry and physiology
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journal_title：Pesticide biochemistry and physiology
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journal_title：Pesticide biochemistry and physiology
pub_type： 杂志文章
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journal_title：Pesticide biochemistry and physiology
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journal_title：Pesticide biochemistry and physiology
pub_type： 杂志文章,评审
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更新日期：2014-06-01 00:00:00
abstract：:This study proposes a biochemical and molecular model for the interaction between the Drosophila suzukii type 1 tyramine receptor (DsTAR1) and monoterpenes. A preliminary molecular and functional characterization of DsTAR1 cDNA revealed that a 1.8 kb long ORF codes for a 600 amino acid polypeptide featuring seven tran...
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abstract：:Cantharidin (CTD) is a natural toxin with effective toxicity to lepidopteran pests. Nevertheless, little information is available on whether pests develop resistance to CTD. After being exposed to CTD (50 mg/L to 90 mg/L) or 10 generations, the resistance ratio of laboratory selected cantharidin-resistant Mythimna sep...
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journal_title：Pesticide biochemistry and physiology
pub_type： 杂志文章,评审
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journal_title：Pesticide biochemistry and physiology
pub_type： 杂志文章
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abstract：:Imidacloprid is very effective in controlling Nilaparvata lugens Stål, which severely damages rice plants. Following heavy imidacloprid use, imidacloprid-resistant N. lugens, which showed cross-resistance to other neonicotinoids, appeared. We used the baculovirus/Sf9 expression system to express CYP6ER1 variants carry...
journal_title：Pesticide biochemistry and physiology
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abstract：:A range of fungicides including epoxiconazole, azoxystrobin and isopyrazam, were applied to winter wheat at GS 31/32 to determine their effect on photosystem II (PSII) efficiency, biomass and yield. Frequent, repeated measurements of chlorophyll fluorescence were carried on plants grown under different water regimes i...
journal_title：Pesticide biochemistry and physiology
pub_type： 杂志文章
doi：10.1016/j.pestbp.2014.07.003
更新日期：2014-09-01 00:00:00
abstract：:The aim of this study was to assess the effects and reversibility of the synthetic estrogen compound, quinestrol, on the reproductive organs, steroid hormones, and drug-metabolizing enzymes CYP3A4 and CYP1A2 in liver and kidney over time after two quinestrol treatments in female Mongolian gerbils (Meriones unguiculatu...
journal_title：Pesticide biochemistry and physiology
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abstract：:Unlike chemical pesticides, antiviral plants are biodegradable, replenishable and safe. In this study, 14 sesquiterpene compounds from Tithonia diversifolia were tested for their activities against Tobacco mosaic virus (TMV) using the half-leaf method. Tagitinin C (Ses-2) and 1β-methoxydiversifolin-3-0-methyl ether (S...
journal_title：Pesticide biochemistry and physiology
pub_type： 杂志文章
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更新日期：2017-08-01 00:00:00
abstract：:The present study aimed to increase our understanding about the mode of toxic action of organophosphate pesticides in insects by evaluating the biochemical and neurobehavioral characteristics in Nauphoeta cinerea exposed to chlorpyrifos (CPF)-contaminated diet. The insects were exposed for 35 consecutive days to CPF a...
journal_title：Pesticide biochemistry and physiology
pub_type： 杂志文章
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abstract：:The present study focused on the toxicity of the aphid anti-feedant flonicamid and its main metabolite, 4-trifluoromethylnicotinamide (TFNA-AM) to Aedes aegypti and Anopheles gambiae mosquitoes. The compounds were toxic to both species via topical application, resulting in un-coordinated locomotion and leg splaying, w...
journal_title：Pesticide biochemistry and physiology
pub_type： 杂志文章
doi：10.1016/j.pestbp.2018.06.004
更新日期：2018-10-01 00:00:00
abstract：:Glyphosate (GLP) is one of the most common herbicides worldwide. The serum cholinesterase (ChE) may be affected when exposed to glyphosate. Reduction of serum ChE by herbicides is probably related to cytochrome P450 (CYP450) family polymorphisms. We suspect that the abnormal ChE caused by GLP could be correlated with ...
journal_title：Pesticide biochemistry and physiology
pub_type： 杂志文章
doi：10.1016/j.pestbp.2019.07.006
更新日期：2020-01-01 00:00:00
abstract：:Myosoton aquaticum L., a widespread and competitive winter weed of wheat in China, has evolved resistance to many classes of herbicides. In one M. aquaticum population (AH03), collected from Anhui Province, where tribenuron-methyl and florasulam had been used to control this weed resistance to both herbicides had evol...
journal_title：Pesticide biochemistry and physiology
pub_type： 杂志文章
doi：10.1016/j.pestbp.2018.12.004
更新日期：2019-03-01 00:00:00
