Iindaba
Iindaba
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Uphando lubonisa ukuba zeziphi iihomoni zezityalo ezisabela kwizikhukula.
Zeziphi ii-phytohormones ezidlala indima ebalulekileyo kulawulo lwembalela? Ii-phytohormones ziqhelana njani notshintsho lwendalo? Iphepha elipapashwe kwijenali iTrends in Plant Science lichaza ngokutsha kwaye lihlela imisebenzi yeeklasi ezili-10 zee-phytohormones ezifunyenweyo ukuza kuthi ga ngoku kubukumkani bezityalo. Ezi m...Funda ngokugqithisileyo -
I-boric acid yokulawula izinambuzane: iingcebiso ezisebenzayo nezikhuselekileyo zokusebenzisa ekhaya
I-boric acid yiminerali exhaphakileyo efumaneka kwiindawo ezahlukeneyo, ukusuka emanzini olwandle ukuya emhlabeni. Nangona kunjalo, xa sithetha nge-boric acid esetyenziswa njengesibulali-zinambuzane, sibhekisa kwikhemikhali ekhutshwa kwaye ihlanjululwe kwiindawo ezityebileyo ze-boron kufutshane nemimandla yentaba-mlilo kunye namachibi awomileyo. Nangona...Funda ngokugqithisileyo -
Zithini iziphumo kunye nemisebenzi yeTetramethrin kunye nePermethrin?
Zombini i-permethrin kunye ne-cypermethrin zizinambuzane zokubulala izinambuzane. Imisebenzi kunye neziphumo zazo zingashwankathelwa ngolu hlobo lulandelayo: 1. I-Permethrin 1. Indlela yokusebenza: I-Permethrin ikwiklasi ye-pyrethroid yezinambuzane zokubulala izinambuzane. Iphazamisa kakhulu inkqubo yokuhambisa imithambo-luvo yesinambuzane, ine-contact k...Funda ngokugqithisileyo -
Ukuthengwa kweesoya eMelika kuye kwabangela umonakalo omkhulu, kodwa iindleko zisaqhubeka ziphezulu. Abathengi baseTshayina bandisa ukuthengwa kweesoya zaseBrazil.
Njengoko kulindeleke ukuba isivumelwano sorhwebo phakathi kweTshayina ne-US siqalise ukuqalisa kwakhona ukuthengiswa kwezinto ezivela eMelika ukuya kumthengisi wesoya omkhulu kwihlabathi, amaxabiso eesoya eMzantsi Melika anciphile kutshanje. Abathengisi besoya baseTshayina basanda kukhawulezisa ukuthengwa kwabo...Funda ngokugqithisileyo -
IMarike yoLawulo loKhulo lweZityalo kwiHlabathi liphela: Amandla aqhuba uLimo oluZinzileyo
Ishishini leekhemikhali liyaguqulwa yimfuno yeemveliso ezicocekileyo, ezisebenzayo nezingonakalisiyo indalo. Ubuchule bethu obunzulu ekufakeni umbane kunye nokwenza idijithali kwenza ishishini lakho likwazi ukufezekisa ulwazi lwamandla. Utshintsho kwiindlela zokusetyenziswa kunye netekhnoloji...Funda ngokugqithisileyo -
Iindlela zolawulo olusekelwe kumda zinganciphisa ukusetyenziswa kwezibulali-zinambuzane ngama-44% ngaphandle kokuchaphazela ulawulo lwezinambuzane nezifo okanye isivuno sesivuno.
Ulawulo lwezinambuzane nezifo lubalulekile kwimveliso yezolimo, lukhusela izityalo kwizinambuzane nezifo eziyingozi. Iinkqubo zolawulo ezisekelwe kumda, ezisebenzisa izibulali-zinambuzane kuphela xa ubuninzi bezinambuzane nezifo budlula umda obekiweyo, zinokunciphisa ukusetyenziswa kwezibulali-zinambuzane. Nangona kunjalo...Funda ngokugqithisileyo -
Abaphandi bafumanisa indlela yokulawula iprotheyini ye-DELLA kwizityalo.
Abaphandi abavela kwiSebe leBiochemistry kwi-Indian Institute of Sciences (IISc) bafumanise indlela ekudala ifunwa esetyenziswa zizityalo zasemhlabeni ezinje ngee-bryophytes (kuquka ii-mosses kunye ne-liverworts) ukulawula ukukhula kwezityalo - indlela ekwagcinwe kuyo ngakumbi ...Funda ngokugqithisileyo -
Ulawulo lweeNkumbi zaseJapan: Iindlela ezilungileyo zokulawula izinambuzane kunye neeNtsholongwane
“Kuqikelelwa ukuba ngo-2025, ngaphezulu kwama-70% eefama ziya kuba sele zisebenzise ubuchwepheshe obuphambili bokulawula iimbungulu zaseJapan.” Ngo-2025 nangaphaya koko, ulawulo lweembungulu zaseJapan luya kuhlala luyingxaki ebalulekileyo kwezolimo zanamhlanje, ukulima izityalo, kunye namahlathi eMntla Melika,...Funda ngokugqithisileyo -
Ingaba i-Dinotefuran zinambuzane ifanelekile ukusetyenziswa kwiibhedi?
Isibulali-zinambuzane i-Dinotefuran sisibulali-zinambuzane esibanzi, esisetyenziselwa kakhulu ukulawula izinambuzane ezifana nee-aphids, iimpukane ezimhlophe, ii-mealybugs, ii-thrips, kunye nee-leafhoppers. Sikwafanelekile ekupheliseni izinambuzane zasekhaya ezifana neentakumba. Ngokuphathelele ukuba ingaba isibulali-zinambuzane i-Dinotefuran singasetyenziswa kwiibhedi, imithombo eyahlukeneyo...Funda ngokugqithisileyo -
Ukulwa nemalariya: I-ACOMIN isebenzela ukujongana nokusetyenziswa gwenxa kweenethi zeengcongconi ezinyangwa yizinambuzane.
I-Association for Community Malaria Monitoring, Immunization and Nutrition (ACOMIN) iqalise iphulo lokufundisa abantu baseNigeria, ingakumbi abo bahlala emaphandleni, malunga nokusetyenziswa ngokufanelekileyo kweenethi zeengcongconi ezinyangwa yimalariya kunye nokulahla inethi zeengcongconi ezisetyenzisiweyo. Ithetha kwi ...Funda ngokugqithisileyo -
Abaphandi bafumanise indlela izityalo ezilawula ngayo iiproteni zeDELLA.
Abaphandi abavela kwiSebe leBiochemistry kwi-Indian Institute of Sciences (IISc) bafumanise indlela ekudala ifunwa yokulawula ukukhula kwezityalo zasemhlabeni ezidala ezifana ne-bryophytes (iqela eliquka ii-mosses kunye ne-liverworts) ezagcinwa kwizityalo ezidubula kamva....Funda ngokugqithisileyo -
I-Arhente yoKhuseleko lweNdalo yase-US (i-EPA) ikhuphe uyilo loluvo lwebhayoloji oluvela kwi-US Fish and Wildlife Service (FWS) malunga nezibulali-zinambuzane ezimbini ezisetyenziswa kakhulu – i-atrazine kunye ne-simazine
Kutshanje, i-US Environmental Protection Agency (EPA) ikhuphe uyilo lwembono yebhayoloji evela kwi-US Fish and Wildlife Service (FWS) malunga neyeza ezimbini zokubulala ukhula ezisetyenziswa kakhulu – i-atrazine kunye ne-simazine. Kuqaliswe nexesha leentsuku ezingama-60 lokuphawula uluntu. Ukukhutshwa kwale ngxelo yommeli...Funda ngokugqithisileyo