Hukumomin kasa da kasa da dama sun yi hasashen yiwuwar fuskantar matsanancin yanayi da barna a duniya a cikin 'yan watannin nan.

Shekarar da ta fi zafi a yanzu ita ce 2015-2016, lokacin da duniya ta fuskanci matsalar El Nino na tsawon watanni 21, a cewar wani rahoto da Hukumar Kula da Yanayi ta Duniya ta fitar a watan Mayu.

A karshen watan Yuni, mujallar Nature ta ba da rahoton cewa idan El Nino ya yi tsanani, yana da yuwuwar tura yanayin zafi a duniya don yin rikodi ko kuma kusan yin rikodin a 2024.

A ranar 4 ga Yuli, Hukumar Kula da Yanayi ta Duniya ta yanke shawarar cewa, al'amarin El Nino na farko a cikin tekun Pasifik na wurare masu zafi a cikin shekaru bakwai, kuma duniya za ta yi mummunar yanayi kuma yanayin yanayi kusan tabbas ne.

Wasu magunguna zasu haifar da lahani a yanayin zafi musamman saboda abubuwa biyu masu zuwa:

Na farko, yana da alaƙa da yanayin miyagun ƙwayoyi

Inorganic pesticides da ruwa-mai narkewa, permeable magungunan kashe qwari, kamar jan karfe sulfate, sulfur foda, dutse sulfur cakuda, amfani a high yanayin zafi, yana da sauqi don sa miyagun ƙwayoyi lalacewa ga amfanin gona, saboda tsarin kwanciyar hankali na sinadaran abun da ke ciki zai canza bayan wani. wasu zafin jiki, yana haifar da lalacewar ƙwayoyi.

Na biyu, yana da alaƙa da juriya ga amfanin gona

Juriya na miyagun ƙwayoyi na tsire-tsire masu launin fata irin su Buxus macrophylla ya fi ƙarfi, kuma juriya na miyagun ƙwayoyi na tsire-tsire tare da ƙananan cuticle ya fi rauni, kuma yana da sauƙi don haifar da lalacewar miyagun ƙwayoyi idan aka yi amfani da shi a yanayin zafi mai zafi.

1. Abamectin

Abamectin wani maganin kwari ne wanda ke kashe kwari, mites da nematodes, kuma ana iya amfani dashi don magance kwari a kan tsire-tsire iri-iri. Yana iya zama a cikin mafi kyau effects a lokacin da 20 ℃, amma bukatar kula da high zafin jiki, musamman 38 ℃ sama da lokacin amfani, wanda shi ne mai sauki don haifar da miyagun ƙwayoyi lalacewa, shuka bar nakasa, spots, sabon abu na dakatar da girma. .

2.Pyraclostrobin

Pyraclostrobin babban fungicides ne mai fa'ida, tare da warkewa da tasirin kariya. Za a yi haɗarin lalacewar ƙwayoyi idan aka yi amfani da babban taro.Yana iya haifar da konewar ganyen shuka.

3.Nitenpyram

Nitenpyram ana amfani da shi ne don sarrafa kwari masu harba da sauƙi don haifar da lalacewar ƙwayoyi a yanayin zafi mai yawa, don haka ya kamata a guji shi. Kuma yana da kyau a fesa a zafin jiki na ƙasa 30 ° C wanda ba zai haifar da ƙonewar ganye da sauran abubuwan mamaki ba.

4.Chlorfenapyr

Chlorfenapyr maganin kashe kwari ne mai fadi, musamman akan manyan kwari na lepidoptera (fyade, asu gwoza, da sauransu). Chlorfenapyr, zazzabi mai dacewa game da digiri 20-30, mafi kyawun sakamako. Duk da haka, amfani da Chlorfenapyr a yanayin zafi na iya haifar da konewar ganye; Yawancin ganye masu laushi a saman kuma suna da mummunar lalacewar ƙwayoyi.

5. Fluazinam

Fluazinam na iya hana kamuwa da cutar kumburin tushe da launin toka, kuma yana iya hana kwari kwari, irin su citrus ja gizo-gizo (babba, kwai), kuma tasirin sarrafawa ya fi kyau. Fluazinam zai kara daman lalacewar miyagun ƙwayoyi lokacin da aka yi amfani da shi a cikin matsanancin zafin jiki, saboda aikin Fluazinam yana da girma sosai. Maganin zafin jiki mai girma na iya hanzarta fitar da ruwa, daidai da ƙara yawan ƙwayar maganin ruwa.

6.Tsaro

Propargite yana cikin ƙananan acaricide mai guba, tare da lamba da guba na ciki, da tafiyar osmotic. Yana iya hana kwari yadda ya kamata sama da 20 ℃ yayin da 'ya'yan itacen yana da sauƙin samar da cutar kunar rana a sama da 25 ℃.

7. Diafenthiuron

Diafenthiuron wani sabon nau'in maganin kwari ne na thiourea, acaricide, kuma yana da wani tasirin kashe qwai. A cikin lokacin zafi mai zafi (sama da 30 ℃) da yanayin zafi mai zafi, zai haifar da lalacewar ƙwayoyi ga tsire-tsire.

Ya kamata a lura cewa yanayin zafin da ya dace na abubuwan da ke sama shine don tunani kawai, kuma takamaiman zafin jiki kuma yana buƙatar rarraba zuwa tsire-tsire, kuma yanayin da ya dace na wasu tsire-tsire shima ya bambanta.

Amma 2,4D, Glyphosate da Chlorpyrifos suna da amfani sosai a lokacin rani.