Izindaba
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IKhomishini yaseYurophu inwebe ukusebenza kwe-glyphosate eminye iminyaka eyi-10 ngemuva kokuba amazwe angamalungu ehlulekile ukufinyelela esivumelwaneni.
Amabhokisi e-Roundup abekwe eshalofini lesitolo eSan Francisco, ngoFebhuwari 24, 2019. Isinqumo se-EU sokuthi kufanele yini sivumele ukusetshenziswa kwe-glyphosate yamakhemikhali ephikisanayo kuleli qembu sibambezelekile okungenani iminyaka eyi-10 ngemuva kokuba amazwe angamalungu ehlulekile ukufinyelela esivumelwaneni. Le khemikhali isetshenziswa kabanzi...Funda kabanzi -
Uhlu lwemithi emisha yokubulala ukhula enezithibi ze-protoporphyrinogen oxidase (PPO)
I-Protoporphyrinogen oxidase (PPO) ingenye yezinhloso eziyinhloko zokuthuthukiswa kwezinhlobo ezintsha zokubulala ukhula, okubalwa ingxenye enkulu kakhulu yemakethe. Ngenxa yokuthi lo khula ukhula usebenza kakhulu ku-chlorophyll futhi unobuthi obuphansi ezincelisayo, lo khula ukhula unezici zokukhula okuphezulu...Funda kabanzi -
Cindezela amasimu akho obhontshisi owomile? Qiniseka ukuthi usebenzisa izibulala-zinambuzane ezisele.
Cishe amaphesenti angama-67 abalimi bobhontshisi obomile abadliwayo eNorth Dakota naseMinnesota balima amasimu abo kabhontshisi ngesikhathi esithile, ngokusho kocwaningo lwabalimi, kusho uJoe Eakley weNorth Dakota State University's Weed Control Center. ochwepheshe bokuvela noma abasanda kuvela. Sabalalisa cishe i-hal...Funda kabanzi -
Umbono ka-2024: Imikhawulo yesomiso kanye nokuthunyelwa kwamanye amazwe izoqinisa ukutholakala kokusanhlamvu komhlaba wonke kanye namafutha esundu
Amanani aphezulu ezolimo eminyakeni yamuva nje ashukumisele abalimi emhlabeni wonke ukuba batshale okusanhlamvu okwengeziwe kanye nembewu kawoyela. Kodwa-ke, umthelela we-El Nino, kanye nemikhawulo yokuthumela kwamanye amazwe kwamanye amazwe kanye nokukhula okuqhubekayo kwesidingo sikaphethiloli we-biofuel, kusikisela ukuthi abathengi bangabhekana nesimo sokuntuleka kokunikezwa...Funda kabanzi -
Ucwaningo lwe-UI luthole ukuxhumana okungenzeka phakathi kokufa kwezifo zenhliziyo nemithambo yegazi kanye nezinhlobo ezithile zezibulala-zinambuzane. I-Iowa manje
Ucwaningo olusha oluvela eNyuvesi yase-Iowa lubonisa ukuthi abantu abanamazinga aphezulu ekhemikhali ethile emizimbeni yabo, okubonisa ukuchayeka ezibulala-zinambuzane ezisetshenziswa njalo, banamathuba amaningi okufa ngenxa yesifo senhliziyo. Imiphumela, eshicilelwe ku-JAMA Internal Medicine, i-sh...Funda kabanzi -
I-Zaxinon mimetic (MiZax) ikhuthaza ngempumelelo ukukhula nokukhiqiza kwezitshalo zamazambane nama-strawberry ezindaweni ezisogwadule.
Ukushintsha kwesimo sezulu kanye nokukhula okusheshayo kwenani labantu kube yizinselele ezibalulekile ekuphepheni kokudla emhlabeni jikelele. Isixazululo esisodwa esithembisayo ukusetshenziswa kwabalawuli bokukhula kwezitshalo (ama-PGR) ukwandisa isivuno sezitshalo nokunqoba izimo zokukhula ezingezinhle njengezimo zezulu zasehlane. Muva nje, i-carotenoid zaxin...Funda kabanzi -
Amanani emithi yobuchwepheshe engu-21 ehlanganisa i-chlorantraniliprole kanye ne-azoxystrobin ehlile
Ngesonto eledlule (02.24~03.01), isidingo semakethe iyonke sibuyele esimweni uma siqhathaniswa nesonto eledlule, futhi izinga lokuthengiselana likhuphukile. Izinkampani ezikhuphukayo neziphansi zigcine isimo sengqondo sokuqapha, ikakhulukazi zigcwalisa izimpahla ngezidingo eziphuthumayo; amanani emikhiqizo eminingi ahlala ehlobene...Funda kabanzi -
Izithako ezinconyiwe ezingaxutshwa ze-sulfonazole yokuvala ukhula ngaphambi kokuvela
I-Mefenacetazole iyi-herbicide yokuvala inhlabathi ngaphambi kokuhluma eyasungulwa yi-Japan Combination Chemical Company. Ifanelekela ukulawula ukhula olunamaqabunga abanzi kanye nokhula olune-gramine njengokolweni, ummbila, ubhontshisi, ukotini, ubhekilanga, amazambane, kanye namakinati. I-Mefenacet ivimbela kakhulu i-bi...Funda kabanzi -
Kungani kungazange kube khona icala lobungozi be-phytotoxicity kuma-brassinoid emvelo eminyakeni eyi-10?
1. Ama-Brassinosteroids akhona kabanzi embusweni wezitshalo Ngesikhathi sokuziphendukela kwemvelo, izitshalo kancane kancane zakha amanethiwekhi okulawula ama-hormone emvelo ukuze ziphendule ezingcindezini ezahlukahlukene zemvelo. Phakathi kwazo, ama-brassinoid awuhlobo lwama-phytosterol anomsebenzi wokukhuthaza i-elonga yamaseli...Funda kabanzi -
Imithi yokubulala ukhula i-Aryloxyphenoxypropionate ingenye yezinhlobo ezivamile emakethe yokubulala ukhula emhlabeni jikelele…
Uma sibheka u-2014 njengesibonelo, ukuthengiswa komhlaba wonke kwemithi yokubulala ukhula ye-aryloxyphenoxypropionate kwakuyi-US$1.217 billion, okubalwa u-4.6% wemakethe yokubulala ukhula yomhlaba wonke eyi-US$26.440 billion kanye no-1.9% wemakethe yokubulala ukhula yomhlaba wonke eyi-US$63.212 billion. Nakuba ingeyona enhle njengemithi yokubulala ukhula efana nama-amino acid kanye ne-su...Funda kabanzi -
Sisezinsukwini zokuqala zokucwaninga ngesayensi yezinto eziphilayo kodwa sinethemba ngekusasa – Ingxoxo noPJ Amini, uMqondisi Omkhulu kwaLeaps nguBayer
I-Leaps by Bayer, ingxenye yokutshalwa kwezimali okunomthelela ye-Bayer AG, itshala imali emaqenjini ukuze ifinyelele intuthuko eyisisekelo emikhakheni yesayensi yezinto eziphilayo kanye neminye imikhakha yesayensi yokuphila. Eminyakeni eyisishiyagalombili edlule, inkampani itshale imali engaphezu kwamaRandi ayizigidi eziyizinkulungwane eziyi-1.7 emabhizinisini angaphezu kwama-55. U-PJ Amini, uMqondisi Omkhulu kwa-Leaps by Ba...Funda kabanzi -
Ukuvinjelwa kokuthunyelwa kwelayisi eNdiya kanye nesenzakalo se-El Niño kungase kuthinte amanani elayisi emhlabeni jikelele
Muva nje, ukuvinjelwa kokuthunyelwa kwelayisi eNdiya kanye nesenzakalo se-El Niño kungase kuthinte amanani erayisi omhlaba wonke. Ngokusho kwe-BMI engaphansi kwe-Fitch, imikhawulo yokuthunyelwa kwelayisi eNdiya izoqhubeka isebenza kuze kube ngemva kokhetho lwesishayamthetho kusukela ngo-Ephreli kuya kuMeyi, oluzosekela amanani erayisi akamuva. Okwamanje, ...Funda kabanzi
