Biological activities of nitromethylene analogues of imidacloprid with a 4,5-dimethylated imidazolidine ring [0.03%]
具4,5-二甲基亚甲基环咪唑啉环的烯硝基虫清类似物的生物活性
Madoka Yamamura,Satoshi Yamauchi,Hisashi Nishiwaki
Madoka Yamamura
Four nitromethylene analogues of imidacloprid (CH-IMIs) having a 4,5-dimethylated (diMe) imidazolidine ring were stereospecifically synthesized to evaluate their affinity for the nicotinic acetylcholine receptors of the housefly Musca domes...
The structure-activity relationship of aryloxyacetylthioureas for the inhibition of Orobanche minor radicle elongation [0.03%]
aryl氧代乙酰硫脲类化合物抑制小列当下胚轴生长的构效关系研究
Atsushi Okazawa,Shizuki Noda,Yusuke Mimura et al.
Atsushi Okazawa et al.
Orobanchaceae root parasitic weeds cause significant damage to agriculture and become threats to global food security. Integrated pest management is a key concept in modern agriculture and requires chemicals with various modes of action. Pl...
Isami Hamamoto,Masahiro Kawaguchi,Takehiko Nakamura et al.
Isami Hamamoto et al.
Acynonapyr, discovered by Nippon Soda Co., Ltd., is a novel acaricide with N-pyridyloxy azabicycle as a unique core structure. Acynonapyr exhibits high activity against the spider mite species in the genera Tetranychus and Panonychus, with ...
Quantitative evaluation of the biological activity of various brassinosteroids using spiral root induction in rice seeds [0.03%]
利用水稻种子螺旋根诱导技术评价多种油菜素类植物激素的生物活性及作用模式定量分析
Bunta Nishikawa,Kotaro Mori,Seisuke Takimoto et al.
Bunta Nishikawa et al.
Spiral roots are induced in germinated rice seeds through treatment with nanomolar brassinosteroids (BRs) but not with other plant hormones. Here, we determined the minimum effective concentration (MEC) of various BRs to induce spiral roots...
Fenoxycarb, a carbamate insect growth regulator, inhibits brassinosteroid action [0.03%]
羧酸类昆虫生长调节剂fenoxycarb通过抑制油菜素内酯信号途径发挥抑虫作用
Shinsaku Ito,Kojiro Kawada,Yasumasa Saeki et al.
Shinsaku Ito et al.
Brassinosteroids (BRs) are steroid hormones that regulate plant growth, development, and stress resistance. In this study, we evaluated the effect of agrochemicals on dark-induced hypocotyl elongation, which is regulated by BRs, to identify...
Effect of further substitutions at 5-, 6-, 7-, or 8-position of 3-[3-(4-methoxyphenyl)-1-hydroxyprop-2-yl]coumarin on phytotoxicity [0.03%]
在化合物3-[3-(4-甲氧基苯基)-1-羟基丙-2-基]香豆素的5-, 6-, 7-, 8-位引入进一步取代基对其植物毒性的影响
Satoshi Yamauchi,Hazna Sartiva,Hisashi Nishiwaki
Satoshi Yamauchi
Derivatives of the coumarin ring in (R)-3-[3-(4-methoxyphenyl)-1-hydroxyprop-2-yl]coumarin 2, which is a lignan structure, were synthesized to clarify their structure-phytotoxicity relationships. The growth-inhibitory activity of the 8-OCH3...
Insect growth-regulating activity of 1-benzyl-2-methylbenzimidazole derivatives on silkworms [0.03%]
1-苯基-2-甲基苯并咪唑衍生物对家蚕的保幼激素活性
Shuhei Henmi,Ayumu Sueyoshi,Hiroshi Ono et al.
Shuhei Henmi et al.
Derivatives of 1-benzyl-2-methylbenzimidazoles (BMBIs) were synthesized to evaluate their biological activities against Bombyx mori, a lepidopteran model insect. Synthesized BMBIs exhibited two different biological activities: inhibition of...
Production of copper nanoparticle-immobilized chitin nanofibers and their role in plant disease control [0.03%]
铜纳米粒子固载的几丁质纳米纤维的制备及其在植物病害防控中的作用研究
Mayumi Egusa,Shunki Watanabe,Hujun Li et al.
Mayumi Egusa et al.
Chitin is used in agriculture to improve crop production; however, its use is limited due to difficulties in its handling. A chitin nanofiber (CNF) overcomes this issue and, due to its elicitor activity, has great potential for crop protect...
Major latex-like proteins show pH dependency in their binding to hydrophobic organic pollutants [0.03%]
大分子类胶体蛋白质与疏水性有机污染物的结合受pH值影响
Kentaro Fujita,Chihiro Sonoda,Maho Chujo et al.
Kentaro Fujita et al.
The Cucurbitaceae family accumulates hydrophobic organic pollutants in its aerial parts at high concentrations. Major latex-like proteins (MLPs) were identified in zucchini (Cucurbita pepo) as a transporting factor for hydrophobic organic p...
Evaluation of the droplet deposition and control effect of a special adjuvant for unmanned aerial vehicle (UAV) sprayers [0.03%]
一种新型无人机喷雾助剂的雾滴沉积与控失效果评价研究
Xin Wang,Yongqiang Zhang,Haofu Hu et al.
Xin Wang et al.
Unmanned aerial vehicle (UAV) sprayers have been widely used in agriculture. With the goals of using pesticides efficiently and reducing their dosage, we evaluated the effects of adding and not adding special adjuvants to UAV sprayers on dr...