Pehea e hoʻomalu ai i nā pests a me nā nāhelehele i ka wā ulu a pau o ka pī?

ʻO nā pests maʻamau i ka māla pīnī: kahi lau, pala ke aʻa, pala pala, aphids, pulupulu bollworm, nā pests lalo, etc.
nūhou

ʻO ka papa hana weeding mala peanut:

Kākoʻo ka weeding mahina ʻai i ka mālama ʻana i ka lepo ma hope o ka lūlū ʻana a ma mua o ke kanu ʻana.Hiki iā mākou ke koho i ka 0.8-1L 960 g/L Metolachlor EC no ka ʻeka,

a i ʻole 2-2.5L 330 g/L Pendimethalin EC no ka ʻeka etc.

Ma luna aʻe o ka herbicides e hoʻoheheʻe ʻia ma ka ʻāina ma hope o ka lūlū ʻia ʻana o nā pīni a ma mua o ka puka ʻana, a pono e uhi ʻia nā pīni me ke kiʻiʻoniʻoni ma hope koke o ka noi ʻana.

No ka lāʻau ma hope o ka puka ʻana a me ka mālama ʻana i ka lau, 300-375 ml no ka ʻeka o 15% Quizalofop-ethyl EC, a i ʻole 300-450 ml no ka ʻeka o 108 g/L Haloxyfop-P-ethyl EC hiki ke hoʻohana ʻia i ka lau 3-5 pae o ka mauʻu mauʻu;

I ka wā 2-4 lau o ka mauʻu, 300-450 ml no ka ʻeka o 10% Oxyfluorfen EC hiki ke hoʻohana ʻia no ka hoʻoulu ʻana i ka mana ma nā kumu wai a me nā lau.

Hoʻolālā mana hoʻohui i ka wā ulu

1. Ka manawa lulu

He wā koʻikoʻi ka wā lūlū no ka hoʻomalu maikaʻi ʻana i nā ʻano pest a me nā maʻi.ʻO ka pilikia nui ma ka mālamaʻana i nā hua a me ka paleʻana, he mea nui e koho i ka hana kiʻekiʻe, haʻahaʻa haʻahaʻa, a me nā pesticides lōʻihi e hoʻomalu i nā maʻi aʻa a me nā meaʻeha lalo.

Hiki iā mākou ke koho i ka 22% Thiamethoxam + 2% Metalaxyl-M + 1% Fludioxonil FS 500-700ml e hui pū ana me nā hua 100kg.

A i ʻole 3% Difenoconazole+32% Thiamethoxam+3% Fludioxonil FS 300-400ml e hui pū ana me nā hua 100kgs.

Ma nā wahi i koʻikoʻi loa nā pests lalo, hiki iā mākou ke koho i ka 0.2%
Clothianidin GR 7.5-12.5kg .E noi ma mua o ka lulu ʻana i ka pīkī, a laila lūlū ma hope o ka ʻohi ʻana i ka ʻāina.

A i ʻole 3% Phoxim GR 6-8kg, e noi ana i ka lūlū ʻana.

Pono e lulu ʻia nā ʻanoʻano i kāhiko ʻia ma hope o ka maloʻo ʻana o ka ʻaʻahu hua, ʻoi aku ka maikaʻi i loko o 24 mau hola.

2.I ka wā germination a i ka wā pua

I loko o kēia wā, ʻo nā maʻi nui ka lau, ka pala a me ka maʻi pala.Hiki iā mākou ke koho i ka 750-1000ml no ka ʻeka o 8% Tebuconazole + 22% Carbendazim SC, a i ʻole 500-750ml no ka ʻeka o 12.5% ​​Azoxystrobin + 20% Difenoconazole SC, e hoʻopuʻi ana i ka wā mua o ka maʻi.

I loko o kēia wā, ʻo nā pests nui ʻo Aphis, Cotton bollworm a me nā pests lalo.

No ka hoʻomalu ʻana i nā aphids a me ka pulupulu bollworm, hiki iā mākou ke koho i ka 300-375ml no ka ʻeka o 2.5% Deltamethrin EC, ka pīpī ʻana i ka wā mua o Aphis a me ke kolu o ka manawa instar o ka pulupulu bollworm.

No ka hoʻomalu ʻana i nā pests lalo, hiki iā mākou ke koho i ka 1-1.5kg o 15% Chlorpyrifos GR a i ʻole 1.5-2kg o 1% Amamectin + 2% Imidacloprid GR, hoʻopuehu.

3.Wā pod i ka wā oʻo hua piha

Hoʻohui ʻia kahi noi hui ʻia (insecticide + fungicide + mea hoʻoponopono ulu mea kanu) i ka wā hoʻonohonoho ʻana o ka pīkī, hiki ke hoʻopaʻa pono i nā ʻano maʻi a me nā pepeke i waena a me nā pae hope, e pale ana i ka ulu maʻamau o nā lau pīkī, pale i ka wā kahiko, a hoʻomaikaʻi ʻana i ke oʻo.

I loko o kēia wā, ʻo nā maʻi nui ka lau, ka pala, ka maʻi ʻōpala, ʻo nā mea nui ʻo ka pulupulu bollworm a me ka aphis.

Hiki iā mākou ke koho i ka 300-375ml no ka hectare o 2.5% Deltamethrin + 600-700ml no ka hectare o 18% Tebucanozole + 9% Thifluzamide SC + 150-180ml o 0.01% Brassinolide SL, Spraying.


Ka manawa hoʻouna: Mei-23-2022

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