Yog tebufenozide yog tshuaj tua kab?

Cov txheej txheem:

Yog tebufenozide yog tshuaj tua kab?
Yog tebufenozide yog tshuaj tua kab?
Anonim

Tebufenozide yog tshuaj tua kab rog-soluble siv los tswj cov kab tsuag Lepidoptera hauv txiv hmab txiv ntoo, zaub thiab lwm yam qoob loo. Nws muaj ib hom tshiab ntawm kev ua nyob rau hauv uas nws ua raws li qhov kev txiav txim ntawm kab moulting hormone, ecdysone. Lepidoptera larvae tso tseg tsis pub dhau ob peb teev ntawm qhov kis tau thiab tom qab ntawd ua rau tuag, tsis ua tiav moult.

piv txwv ntawm tshuaj tua kab yog dab tsi?

Cov organophosphates tam sim no yog cov tshuaj tua kab ntau tshaj plaws thiab muaj ntau yam. Ob lub tebchaw uas siv dav hauv chav kawm no yog parathion thiab malathion; Lwm tus yog Diazinon, naled, methyl parathion, thiab dichlorvos.

4 hom tshuaj tua kab yog dab tsi?

Raws li tshuaj xwm txheej, tshuaj tua kab raug faib ua plaub pawg:

  • tshuaj tua kab organic.
  • YSynthetic insecticides.
  • Inorganic insecticides.
  • Muaj ntau yam sib xyaws.

Dab tsi yog tshuaj tua kab ntau tshaj?

Cov tshuaj tua kab uas siv ntau tshaj plaws yog organophosphates, pyrethroids thiab carbamates (saib daim duab 1). USDA (2001) tau tshaj tawm tias cov tshuaj tua kab muaj 12% ntawm tag nrho cov tshuaj tua kab siv rau cov qoob loo uas tau soj ntsuam. Pob kws thiab paj rwb account rau cov khoom siv tshuaj tua kab ntau tshaj plaws hauv Tebchaws Meskas.

Tus kab mob twg siv los ua tshuaj tua kab?

gemmatalis hauv soya tam sim no tshwm sim tshaj thaj tsam ntawm ~ 1.5 lab hectares txhua xyoo hauv Brazil, ua qhov no yog lub ntiaj teb txoj haujlwm tshuaj tua kab ntau tshaj plaws. Ib qho ntawm feem ntaumuaj txiaj ntsig baculoviruses yog ntawm Spodoptera exigua, polyphagous kab tsuag ntawm zaub thoob ntiaj teb.

Pom zoo:

Nthuav cov khoom
Puas protein shakes ua rau kuv rog?
Nyeem ntxiv

Puas protein shakes ua rau kuv rog?

Qhov tseeb yog, protein ib leeg - lossis lwm yam tshwj xeeb ntawm macronutrient suav nrog cov rog thiab carbohydrates - yuav tsis ua rau koj rog dhau. Koj tsuas yog nce qhov hnyav los ntawm kev noj calorie ntau dua li koj hlawv. Hauv cov ntsiab lus ntawm kev nce qhov hnyav, nws tsis muaj teeb meem dab tsi koj noj los tsim kom muaj calorie ntau ntau.

Puas paleontology poob rau hauv biology?
Nyeem ntxiv

Puas paleontology poob rau hauv biology?

Paleontology combines geology thiab biology nyob rau hauv kev kawm ntawm dinosaurs thiab lwm yam ancient life forms. Qeb twg ua rau paleontology poob qis? Paleontology yog science cuam tshuam nrog cov pob txha ntawm cov tsiaj tuag ntev thiab cov nroj tsuag uas nyob txog ntau txhiab xyoo dhau los.

Puas yog cov cai tsis suav sau npe hauv daim nqi cai?
Nyeem ntxiv

Puas yog cov cai tsis suav sau npe hauv daim nqi cai?

Nyob hauv Tebchaws Meskas, Lub Cuaj Hlis Hloov Kho rau Tebchaws Meskas Txoj Caitiv thaiv tsoomfwv ua txhaum cai ntawm cov cai tsis suav sau. Cov ntawv nyeem: … Lub Tsev Hais Plaub Siab tau pom tias cov cai tsis suav nrog suav nrog cov cai tseem ceeb xws li txoj cai taug kev, txoj cai pov npav, thiab txoj cai khaws cov xwm txheej ntiag tug.