Iindaba
-
Isaziso seHolide yomthendeleko wasentwasahlobo
Funda ngokugqithisileyo -
Isizukulwana sesithathu se-nicotinic insecticides - dinotefuran
Ngoku ukuba sithetha ngesizukulwana sesithathu se-nicotinic insecticide dinotefuran, masiqale silungise ulwahlulo lwezinambuzane ze-nicotinic. Isizukulwana sokuqala seemveliso ze-nicotine: imidacloprid, nitenpyram, acetamiprid, thiacloprid. Eyona nto iphakathi yi-2-chloro-5-chloromethylpy...Funda ngokugqithisileyo -
Zeziphi izinambuzane ezibulawa yi-bifenthrin?
Ingca yasehlotyeni inokuba nengxaki ezininzi, hayi eyona incinci ishushu, ixesha elomileyo, kwaye ngoJulayi no-Agasti, iimethi zethu eziluhlaza zangaphandle zinokujika zibe mdaka kwisithuba seeveki. Kodwa ingxaki ekhohlisayo ngakumbi libubu leebhungane ezincinci ezidla izikhondo, izithsaba kunye neengcambu de zibangele idama elibonakalayo ...Funda ngokugqithisileyo -
Zeziphi izityalo ezilungele i-etherethrin? Uyisebenzisa njani iEthermethrin!
I-Ethermethrin ifanelekile ukulawula irayisi, imifuno kunye nekotoni. Ineempembelelo ezikhethekileyo kwiHomoptera, kwaye ineempembelelo ezintle kwizinambuzane ezahlukahlukeneyo ezifana neLepidoptera, Hemiptera, Orthoptera, Coleoptera, Diptera kunye ne-Isoptera. Isiphumo. Ingakumbi irayisi planthopper isiphumo ulawulo rema...Funda ngokugqithisileyo -
Indlela yokuthintela izinambuzane kwingqolowa? Leliphi iyeza elilungele ukusetyenziswa?
Umbona sesinye sezona zityalo zixhaphakileyo. Bonke abalimi banethemba lokuba umbona abawulimayo uya kuba nesivuno esikhulu, kodwa izitshabalalisi nezifo ziya kunciphisa isivuno sombona. Ngoko umbona unokukhuselwa njani kwizinambuzane? Leliphi iyeza elilungele ukusetyenziswa? Ukuba ufuna ukwazi ukuba leliphi iyeza onokulisebenzisa ukuthintela isinambuzane...Funda ngokugqithisileyo -
Ulwazi ngamachiza ezilwanyana | Ukusetyenziswa kwenzululwazi ye-florfenicol kunye ne-12 yokhuseleko
I-Flofenicol, i-synthetic monofluorinated derivative ye-thiamphenicol, lichiza elitsha le-antibacterial elibanzi elibanzi le-chloramphenicol ukuze lisetyenziswe kunyango lwezilwanyana, elaphuhliswa ngempumelelo ekupheleni koo-1980. Kwimeko yezifo eziqhelekileyo, iifama ezininzi zeehagu zisebenzisa i-florfenicol rhoqo ukuthintela ...Funda ngokugqithisileyo -
Iikhompawundi zoqobo zebhayoloji yendalo! Ukophula umqobo wobugcisa wokuxhathisa imichiza yeakharisayidi!
I-Acaricides ludidi lwezitshabalalisi ezisetyenziswa kakhulu kwezolimo, kushishino nakwamanye amashishini. Isetyenziswa kakhulu ekulawuleni amangolwane ezolimo, okanye amakhalane kwimfuyo okanye kwizilwanyana zasekhaya. Rhoqo ngonyaka ihlabathi lifumana ilahleko enkulu ngenxa yezinambuzane ezitshabalalisayo. Ngokutsho kweFood and Agriculture Organisation ye...Funda ngokugqithisileyo -
Sesiphi isixhobo sokugxotha iingcongconi sesona sikhuselekileyo nesisebenzayo?
Iingcongconi ziza rhoqo ngonyaka, njani ukuziphepha? Ukuze bangakhathazwa ngala mavampire, abantu bebesoloko bevelisa izixhobo ezahlukahlukeneyo zokulwa. Ukusuka kwiminatha yokhuselo lweengcongconi kunye nezikrini zefestile, ukuya kwizitshabalalisi ezisebenzayo, izigxothi zeengcongconi, kunye namanzi angasese angaqondakaliyo, ukuya ...Funda ngokugqithisileyo -
Ubume bophuhliso kunye neempawu zeflonicamid
I-Flonicamid sisitshabalalisi se-pyridine amide (okanye i-nicotinamide) esifunyenwe yi-Ishihara Sangyo Co., Ltd. yaseJapan. Iyakwazi ukulawula ngokukuko izitshabalalisi ezigqobhozayo kuluhlu olubanzi lwezityalo, kwaye inesiphumo esihle sokungena, ngakumbi kwiintwala. Esebenzayo. Indlela yayo yokwenza inoveli, i...Funda ngokugqithisileyo -
Isibulali-zinambuzane somlingo, umngundo, ibhaktiriya, ukubulawa kwentsholongwane, ukonga imali, qikelela ukuba ngubani?
Kwinkqubo yophuhliso lwe-fungicides, iikhompawundi ezintsha zivela minyaka yonke, kwaye umphumo we-bactericidal we-compounds entsha nayo ibonakala kakhulu. Iyenzeka. Namhlanje, ndiza kwazisa isibulala-zinambuzane “esikhethekileyo”. Isetyenziswe kwimarike iminyaka emininzi, kwaye isenayo ...Funda ngokugqithisileyo -
Yeyiphi imisebenzi ethile ye-ethephon? Indlela yokuyisebenzisa kakuhle?
Kubomi bemihla ngemihla, i-ethephon isoloko isetyenziselwa ukuvuthwa kweebhanana, utamatisi, i-persimmons kunye nezinye iziqhamo, kodwa yintoni imisebenzi ethile ye-ethephon? Indlela yokuyisebenzisa kakuhle? I-Ethephon, efana ne-ethylene, ngokukodwa iphakamisa amandla e-ribonucleic acid synthesis kwiiseli kunye nokukhuthaza i-protein synth ...Funda ngokugqithisileyo -
I-Imidacloprid sisitshabalalisi somgangatho ophezulu esisetyenziswa ngokuqhelekileyo
I-Imidacloprid yi-nitromethylene systemic insecticide, ye-chlorinated nicotinyl insecticide, eyaziwa ngokuba yi-neonicotinoid insecticide, kunye ne-chemical formula C9H10ClN5O2. Inombono obanzi, ukusebenza kakuhle okuphezulu, ubutyhefu obuphantsi kunye nentsalela ephantsi, kwaye akukho lula kwizitshabalalisi ...Funda ngokugqithisileyo