Izindaba
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Abalawuli bokukhula kwezitshalo balingana nama-hormone？
Eminyakeni yamuva nje, kube nezithelo eziningi ezingasekho esikhathini sonyaka, futhi ekuqaleni kwentwasahlobo, kuzovela ama-strawberry amasha nama-peaches emakethe. Lezi zithelo zivuthwa kanjani zingasekho isikhathi sonyaka? Ngaphambilini, abantu babecabanga ukuthi lesi kwakuyisithelo esikhule endaweni eluhlaza okotshani. Kodwa-ke, nge-co...Funda kabanzi -
I-Shenzhou 15th ibuyise irayisi elihlwanyelayo, izibulala-zinambuzane kufanele zihambisane kanjani nentuthuko?
Ngomhlaka-4 Juni 2023, iqembu lesine lamasampula okuhlola isayensi yasemkhathini avela esiteshini sasemkhathini saseShayina labuyela emhlabeni kanye nemodyuli yokubuyisa yesikhala sasemkhathini saseShenzhou-15. Uhlelo lokufaka isicelo sesikhala, kanye nemodyuli yokubuyisa yesikhala sasemkhathini saseShenzhou-15, lwenze isamba esingu-15...Funda kabanzi -
Zisetshenziswa kanjani izibulala-zinambuzane zokuhlanzeka?
Izibulala-zinambuzane ezihlanzekile zibhekisela ezintweni ezisetshenziswa kakhulu emkhakheni wezempilo yomphakathi ukulawula izinto eziphilayo ezithwala izinambuzane kanye nezinambuzane ezithinta izimpilo zabantu. Ngokuyinhloko zifaka phakathi izinto ezilawula izinto eziphilayo ezithwala izinambuzane kanye nezinambuzane ezifana nomiyane, izimpukane, izinambuzane, amaphela, izibungu, imikhaza, izintuthwane kanye...Funda kabanzi -
Isimo esijwayelekile sokuthuthukiswa kobuchwepheshe bokuhlanzeka kwezibulala-zinambuzane
Eminyakeni engama-20 edlule, izibulala-zinambuzane ezihlanzekile zezwe lami ziye zathuthuka ngokushesha. Okokuqala, ngenxa yokwethulwa kwezinhlobo eziningi ezintsha kanye nobuchwepheshe obuthuthukisiwe obuvela kwamanye amazwe, kanti okwesibili, imizamo yamayunithi afanele asekhaya iye yenza iningi lezinto zokusetshenziswa eziyinhloko kanye nezinhlobo zomthamo we-h...Funda kabanzi -
Isaziso samaholide somkhosi wasentwasahlobo
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Isizukulwane sesithathu semithi yokubulala izinambuzane ye-nicotinic - i-dinotefuran
Manje njengoba sikhuluma nge-dinotefuran yesibulala-zinambuzane sesizukulwane sesithathu se-nicotinic, ake siqale sihlele ukuhlukaniswa kwemithi yokubulala izinambuzane ye-nicotinic. Isizukulwane sokuqala semikhiqizo ye-nicotine: imidacloprid, nitenpyram, acetamiprid, thiacloprid. Isigaba esiyinhloko yi-2-chloro-5-chloromethylpy...Funda kabanzi -
Yiziphi izinambuzane ezibulawa yi-bifenthrin?
Izitshalo zasehlobo zingabhekana nezinkinga eziningi, ikakhulukazi isizini eshisayo neyomile, kanti ngoJulayi nango-Agasti, omata bethu abaluhlaza bangaphandle bangaba nsundu emavikini ambalwa. Kodwa inkinga ecashile kakhulu inqwaba yamabhungane amancane adla iziqu, imiqhele kanye nezimpande aze abangele idamu elibonakalayo...Funda kabanzi -
Yiziphi izitshalo ezifanele i-ethermethrin? Ungayisebenzisa kanjani i-Ethermethrin!
I-Ethermethrin ifanelekela ukulawula ilayisi, imifino kanye nekotini. Inemiphumela ekhethekile ku-Homoptera, futhi inemiphumela emihle ezinambuzaneni ezahlukahlukene njenge-Lepidoptera, i-Hemiptera, i-Orthoptera, i-Coleoptera, i-Diptera kanye ne-Isoptera. Umphumela. Ikakhulukazi ngelayisi umphumela wokulawula i-planthopper ubuyiselwa...Funda kabanzi -
Ungazivimbela kanjani izinambuzane embotsheni? Yimuphi umuthi ongcono kakhulu ongawusebenzisa?
Ummbila ungenye yezitshalo ezivame kakhulu. Abalimi bonke banethemba lokuthi ummbila abawutshalayo uzoba nesivuno esikhulu, kodwa izinambuzane nezifo kuzonciphisa isivuno sommbila. Ngakho ummbila ungavikelwa kanjani ezinambuzaneni? Yimuphi umuthi ongcono kakhulu ongawusebenzisa? Uma ufuna ukwazi ukuthi umuthi onjani ongawusebenzisa ukuvimbela izinambuzane...Funda kabanzi -
Ulwazi lwemithi yezilwane | Ukusetshenziswa kwesayensi kwe-florfenicol kanye nezinyathelo zokuphepha eziyi-12
I-Florfenicol, i-thiamphenicol eyenziwe nge-monofluorinated derivative, iyisidakamizwa esisha se-chloramphenicol esilwa namagciwane esibanzi sokusetshenziswa kwezilwane, esakhiwe ngempumelelo ngasekupheleni kwawo-1980. Endabeni yezifo ezivamile, amapulazi amaningi ezingulube asebenzisa i-florfenicol njalo ukuvimbela...Funda kabanzi -
Amakhemikhali emvelo emvelo! Adlula enkingeni yobuchwepheshe yokumelana namakhemikhali e-acaricide!
Ama-Acaricides ayisigaba sezibulala-zinambuzane ezisetshenziswa kakhulu kwezolimo, embonini nakwezinye izimboni. Asetshenziswa kakhulu ukulawula izibungu zezolimo, noma amakhizane emfuyweni noma ezifuyweni. Njalo ngonyaka umhlaba ulahlekelwa kakhulu ngenxa yezinambuzane zezibungu. Ngokusho kwe-Food and Agriculture Organisation ye...Funda kabanzi -
Yisiphi isixosha omiyane esiphephile nesisebenza kahle kakhulu?
Omiyane beza minyaka yonke, ungakugwema kanjani? Ukuze bangahlukunyezwa yilaba bampire, abantu bebelokhu bethuthukisa izikhali ezahlukene zokubhekana nazo. Kusukela kumanethi omiyane okuzivikela kanye nezikrini zamafasitela, kuya emithini yokubulala izinambuzane esebenzayo, imithi yokuxosha omiyane, kanye namanzi angasese angacacile, kuya ...Funda kabanzi
