Ama-ejensi amaningi aphesheya abikezele ukuthi kungenzeka kube yisimo sezulu esibi kakhulu nesonakalisayo emhlabeni wonke ezinyangeni ezedlule.

Unyaka Omfudumalo Ofudukelekayo Kunabo Bonke Kunabo Bonke kwaba ngo-2015-2016, lapho umhlaba uhlangabezana ne-El Nino ende engama-21, ngokusho kombiko okhishwe yinhlangano ye-meteorological yomhlaba ngoMeyi.

Ekupheleni kukaJuni, iphephabhuku le-Nature libike ukuthi uma u-El Nino enzima, kunamandla okucindezela amazinga okushisa komhlaba okuqopha noma asondele kakhulu ku-2024.

NgoJulayi 4, i-World Meteorological Organisation yaphetha ngokuthi yi-El Nino Penomenon yokuqala yoLwandlekazi olushisayo lwePacific Sea Ocean eminyakeni eyisikhombisa, futhi umhlaba wonke uzoba nesimo sezulu esibonakalayo kanye namaphethini wesimo sezulu acishe aqiniseke.

Ezinye izidakamizwa zizodala ukulimala ekushiseni okuphezulu ikakhulu ngenxa yamaphuzu amabili alandelayo:

Okokuqala, kuhlobene nohlobo lomuthi

Ama-pesticides ase-Inorganic kanye nama-pesticides angenamanzi, avumelekile ezibulala izibulala-zinambuzane, njenge-sulfate yethusi, i-sulfur powder, okusetshenziswa kakhulu kumazinga okushisa aphezulu, ngoba ukuqina kwezidakamizwa kuzoshintsha ngemuva kwe Amazinga okushisa athile, aphumela ekulimaleni kwezidakamizwa.

Okwesibili, kuhlobene nokumelana kwezitshalo

Ukumelana nemithi yezitshalo zamaqabunga ezinesikhumba ezinjenge-buxus macrophylla kunamandla, futhi ukumelana nemithi yezitshalo ezine-cuticle emincane kungenza buthakathaka, futhi kulula ukukhiqiza umonakalo wesimo sezulu esiphakeme.

1. Abamelectin

I-Abamelectin iyisithiyo esibulala izinambuzane, izibungu nama-nematode, futhi ingasetshenziselwa ukulawula izinambuzane zezinambuzane ezitshalweni ezahlukahlukene. Kungaba nemiphumela emihle lapho 20 ℃, kepha kudingeka unake amazinga okushisa aphezulu, ikakhulukazi angama-38 .

I-2.Pyraclostrobin

I-Pyraclostrobin iyi-fungicide ebanzi ye-spectrum, enemiphumela yokwelapha neyovikela. Kuzoba nengozi yomonakalo wezidakamizwa uma usebenzisa okuhlushwa okuphezulu.Kungadala into yesitshalo esivuthayo.

I-3.NitenPPRAM

I-NitenPPyram isetshenziselwa ikakhulukazi ukulawula izinambuzane ezigwazayo futhi kulula ukudala ukulimala kwezidakamizwa ekushiseni okuphezulu, ngakho-ke kufanele kugwenywe. Futhi kungcono ukufafaza emazingeni okushisa angaphansi kuka-30 ° C ngeke kubangele ukuvutha kwamaqabunga nezinye izinto.

4.chlorfenapyr

I-Chlorfenapyr iyi-insecticide ebanzi ye-spectrum, ikakhulukazi ngokumelene nezinambuzane ezindala zeLepidoptera (i-rapeseed, i-beet moth, njll.). I-Chlorfenapyr, izinga lokushisa elifanele mayelana nama-degree angama-20-30, umphumela omuhle kakhulu. Kodwa-ke, ukusetshenziswa kwe-chlorfenapyr kumazinga okushisa aphezulu kungadala ukuvutha kwamaqabunga; Amaqabunga amathenda ngaphezulu aphezulu abuye abe nomonakalo omkhulu wezidakamizwa.

5. I-Flaazinam

I-Flaazinam ingavimbela isifo sokuvuvukala kwezimpande esishukumisayo kanye nokubumba okumpunga, futhi kungavimbela futhi izinambuzane ezimbi, njenge-citrus red spider (abantu abadala, iqanda), futhi umphumela wokulawula ungcono. I-FLAZINAM izokwandisa amathuba okulimala kwezidakamizwa lapho isetshenziswa ekushiseni okuphezulu, ngoba umsebenzi we-flaazinam uphezulu kakhulu. Imithi ephezulu yokushisa ingasheshisa ukuhwamuka kwamanzi, okulingana nokwandisa ukufinyeleleka komuthi owuketshezi.

I-6.propargite

I-Propargite ise-acaricide ephansi enobuthi, enobuthi bokuxhumana kanye nobuthi besisu, kanye ne-osmotic. Kungavimbela izinambuzane ngempumelelo ngenhla kwama-20 ℃ ngenkathi izithelo zezitshalo zilula kakhulu ukukhiqiza isifo se-sunburn ngenhla 25 ℃.

7.Diafentunthiuron

I-Diafenturon uhlobo olusha lwe-thiurea insecticide, i-acaricide, futhi inomphumela othile wokubulala amaqanda. Esikhathini sokushisa esiphakeme (ngaphezulu kwama-30 ℃) kanye nemibandela yomswakama ephezulu, kuzokhiqiza ukulimala kwezidakamizwa ukuze utshale izithombo.

Kumele kwaziwe ukuthi izinga lokushisa elifanelekile lama-ejenti angenhla libhekiswe kuphela, futhi izinga lokushisa elithile lidinga ukuhlukaniswa izitshalo, futhi izinga lokushisa elifanele lezitshalo ezithile lihlukile.

Kepha 2,4D, i-glyphosate kanye ne-chlorpyrifos ilusizo kakhulu ehlobo.