Momwe mungathanirane ndi tizirombo ndi udzu nthawi yonse yakukula kwa mtedza?

Tizirombo tofala m’minda ya mtedza ndi: mawanga a masamba, zowola muzu, zowola tsinde, nsabwe za m’masamba, nyongolotsi za thonje, tizirombo tapansi panthaka, ndi zina zotero.

Dongosolo lopalira m'munda wa mtedza:

Kupalira kumunda wa mtedza kumalimbikitsa chisamaliro cha nthaka mutabzala komanso mbande zisanabzalidwe.Titha kusankha 0.8-1L 960 g/L Metolachlor EC pa hekitala,

kapena 2-2.5L 330 g/L Pendimethalin EC pa hekitala etc.

Mankhwala ophera udzu ayenera kupopera mofanana pansi mtedza ukangofesedwa komanso usanamere, ndipo mtedzawo uphimbidwe ndi filimu ukangomaliza kuupaka.

Pochiritsa tsinde ndi masamba, 300-375 ml pa hekitala ya 15% Quizalofop-ethyl EC, kapena 300-450 ml pa hekitala ya 108 g/L Haloxyfop-P-ethyl EC angagwiritsidwe ntchito pamasamba 3-5. siteji ya udzu udzu;

Pa tsamba la 2-4 la udzu, 300-450 ml pa hekitala ya 10% Oxyfluorfen EC ingagwiritsidwe ntchito popopera mankhwala pamadzi ndi masamba.

Integrated ulamuliro dongosolo mu kukula

1. Nthawi yofesa

Nthawi yofesa ndi nthawi yovuta kwambiri yolimbana ndi tizirombo ndi matenda osiyanasiyana.Vuto lalikulu liri pa chithandizo cha mbewu ndi kupewa, ndikofunikira kwambiri kusankha mankhwala okwera kwambiri, otsika kawopsedwe, komanso okhalitsa kuti athetse matenda a mizu ndi tizirombo tapansi panthaka.

Titha kusankha 22% Thiamethoxam+2% Metalaxyl-M+ 1% Fludioxonil FS 500-700ml kusakaniza ndi 100kg mbewu.

Kapena 3% Difenoconazole+32% Thiamethoxam+3% Fludioxonil FS 300-400ml kusakaniza ndi 100kgs mbewu.

M'malo omwe tizirombo tapansi panthaka ndizovuta kwambiri, titha kusankha 0.2%
Clothianidin GR 7.5-12.5kg .Ikani musanafese mtedza, kenaka fesani mutatha kudula nthaka mofanana.

Kapena 3% Phoxim GR 6-8kg, kugwiritsa ntchito pofesa.

Mbewu zovekedwa kapena zokutira ziyenera kufesedwa mutatha kuumitsa, makamaka pasanathe maola 24.

2.Panthawi yophukira mpaka nthawi ya maluwa

Panthawi imeneyi, matenda aakulu ndi masamba , mizu zowola ndi tsinde zowola matenda .Titha kusankha 750-1000ml pa hekitala ya 8% Tebuconazole +22% Carbendazim SC , kapena 500-750ml pa hekitala ya 12.5% ​​Azoxystrobin +20% Difenoconazole SC , kupopera mbewu mankhwalawa kumayambiriro kwa matenda.

Panthawi imeneyi, tizilombo toyambitsa matenda ndi Aphis, thonje bollworm ndi tizilombo toyambitsa matenda.

Kuthana ndi nsabwe za m'masamba ndi mbozi za thonje, titha kusankha 300-375ml pa hekitala ya 2.5% Deltamethrin EC, kupopera mbewu mankhwalawa m'mayambiriro a Aphis ndi gawo lachitatu la mbozi za thonje.

Kuthana ndi tizirombo mobisa, titha kusankha 1-1.5kg ya 15%Chlorpyrifos GR kapena 1.5-2kg ya 1% Amamectin +2%Imidacloprid GR,kumwaza.

3. Nthawi ya Pod mpaka kukhwima kwa zipatso

Kuphatikizika kophatikizika (mankhwala ophera tizilombo + fungicide + chowongolera kukula kwa mbewu) kumalimbikitsidwa panthawi yokhazikitsa njuchi, yomwe imatha kuwongolera bwino matenda ndi tizilombo tapakati komanso mochedwa, kuteteza kukula kwa masamba a mtedza, kupewa kukalamba msanga, ndi kukulitsa kukhwima.

Panthawi imeneyi, matenda aakulu ndi tsamba, tsinde zowola, dzimbiri matenda, tizilombo chachikulu ndi thonje bollworm ndi nsabwe.

Titha kusankha 300-375ml pa hekitala ya 2.5% Deltamethrin + 600-700ml pa hekitala ya 18% Tebucanozole + 9% Thifluzamide SC+ 150-180ml ya 0.01% Brassinolide SL ,Kupopera.