Fungicides

Fungicides wani nau'in maganin kashe kwari ne da ake amfani da shi don sarrafa cututtukan shuka ta hanyar ƙwayoyin cuta daban-daban.Fungicides sun kasu kashi na inorganic fungicides da kwayoyin fungicides bisa tsarin sinadaran su.Akwai nau'ikan fungicides na inorganic iri uku: sulfur fungicides, jan fungicides na jan karfe, da fungicides na mercury;Organic fungicides za a iya raba Organic sulfur (kamar mancozeb), trichloromethyl sulfide (kamar captan), maye gurbin benzene (kamar Chlorothalonil), pyrrole (kamar iri dressing), Organic phosphorus (irin su aluminum ethophosphate), Benzimidazole (irin su). kamar Carbendazim), triazole (irin su triadimefon, triadimenol), phenylamide (irin su metalaxyl), da sauransu.

Dangane da abubuwan kariya da warkarwa, ana iya raba shi zuwa Fungicide, bactericides, virus killers, da sauransu. ana iya raba shi zuwa sinadaran roba fungicides, maganin rigakafi na aikin gona (irin su jinggangmycin, maganin rigakafi na aikin gona 120), magungunan shuka, shuka Defensin, da sauransu. fungicides.Misali, chlorine, Sodium hypochlorite, bromine, ozone da chloramine suna kashe kwayoyin cuta;Quaternary ammonium cation, dithiocyanomethane, da sauransu ba su da oxidizing fungicides.

1. Kariya don amfani da fungicides Lokacin zabar fungicides, yana da mahimmanci a fahimci kaddarorin su.Akwai nau'ikan fungicides guda biyu, ɗaya shine wakili na kariya, wanda ake amfani dashi don rigakafin cututtukan shuka, kamar ruwan cakuda Bordeaux, mancozeb, Carbendazim, da sauransu;Wani nau'in kuma shine magungunan warkewa, waɗanda ake amfani da su bayan fara cutar shuka don kashe ko hana ƙwayoyin cuta masu mamaye jikin shuka.Magungunan warkewa suna da sakamako mai kyau a farkon matakan cuta, irin su fungicides na fili kamar Kangkuning da Baozhida.

2. A rika fesa maganin kashe kwari kafin karfe 9 na safe ko bayan karfe 4 na yamma don gujewa amfani da rana mai zafi.Idan an fesa shi a ƙarƙashin rana mai zafi, maganin kashe qwari yana da saurin ruɓewa da ƙafewa, wanda ba ya da amfani ga shayar da amfanin gona.

3. Fungicides ba za a iya haxa shi da maganin kashe kwari na alkaline ba.Kada a ƙara ko rage yawan adadin abubuwan da ake amfani da su na fungicides ba da gangan ba, kuma a yi amfani da su yadda ake buƙata.

4. Fungicides yawanci foda, emulsions, da suspensions, kuma dole ne a diluted kafin aikace-aikace.Lokacin da ake narkewa, da farko a zuba magani, sannan a zuba ruwa, sannan a jujjuya da sanda.Idan aka haxa shi da sauran magungunan kashe qwari, sai a fara tsoma maganin na gwari, sannan a haxa shi da sauran magungunan kashe qwari.

5. Tsakanin yin amfani da fungicides shine kwanaki 7-10.Ga wakilai masu raunin mannewa da ƙarancin sha na ciki, yakamata a sake fesa su idan ruwan sama ya tashi cikin sa'o'i 3 bayan fesa.