Ungayiphelisa njani i-alternaria fungus?

Izityalo zinokuchaphazeleka kwizifo ezahlukileyo, enye yezona zitshabalalisayo yi-alternaria. Nje ukuba ibosulele, ibangela ukuba amaqabunga abune ngokukhawuleza kwaye kwangoko, athi ekugqibeleni awe. Ukuba asinyangwa ngexesha, singaphulukana nabo ngonaphakade.

Ukuthintela oku kungenzeki, Ndiza kukuxelela ukuba yintoni kunye nendlela yokuphelisa i-alternaria fungus. Ngale ndlela, kuya kuba lula kakhulu kuwe ukuyichonga kwaye wazi amanyathelo onokuwathatha.

Yintoni na?

I-alternaria fungus yinto encinci yosapho lwe-Ascomyote. Ihlala kwimihlaba enomxholo ophezulu wokubola kwezinto eziphilayo, kodwa nakwii-substrates ezindala. Ngexesha lasentwasahlobo kwaye ngakumbi ehlotyeni, xa ubushushu bujikeleze i-19-27ºC, kuxa kusebenza ngakumbi. Ngeli xesha ke bathi basasaze emanzini nangomoya kude kufike umhlaba kwisityalo esinezokhuseleko oluphantsi.

Usulelo luqala kumagqabi asezantsi, kodwa lusasazeka ngokukhawuleza kwamanye amagqabi. Njengoko iintsuku zihamba, isityalo sijongeka ngakumbi nangakumbi "sibuhlungu", sinamagqabi amancinci. Inokuchaphazela iziqhamo.

Zithini iimpawu?

Iimpawu ze-alternaria zezi zilandelayo:

• Inkangeleko yamabala amdaka ngebala amnyama kumagqabi kunye / okanye iziqhamo
• Ukupheliswa komhlathana (ukuwa kwegqabi phambi kwexesha)
• Isiqu siyancipha kwaye mnyama
• Ukubanjwa kokukhula
• Ngamanye amaxesha kunokwenzeka ukuba isityalo esigulayo sizame ukuntyatyambo sizama ukuvelisa isizukulwana esitsha.

Inyangwa njani?

Umfanekiso-Enye indlela yeNdalo

I-alternaria fungus iphathwa ngamayeza okubulala ukungunda njengoZineb, Mneb, Mancozeb okanye nobhedu. Kodwa ayizukunceda into yokusebenzisa olu nyango ukuba asizami ukunqanda ukuntywila kwamanzi, kuba iindawo ezifumileyo zithanda ukubonakala kwazo.

Kwakhona, kubaluleke kakhulu ukuchumisa isityalo nanini na xa kukho imfuneko yemveliso ethile. Yiyo loo nto siya kubagcina besempilweni kwaye bomelele, kwaye unokuxhathisa ngcono ukuzama ukusuleleka yile fungus.

Siyathemba ukuba iluncedo kuwe.