Bii o ṣe le ṣakoso awọn ajenirun ati awọn èpo ni gbogbo akoko idagbasoke ti awọn epa?

Awọn ajenirun ti o wọpọ ni awọn aaye epa ni: aaye ewe, rot rot, rot rot, aphids, bollworm owu, awọn ajenirun abẹlẹ, ati bẹbẹ lọ.
iroyin

Ètò gbígbẹ ẹ̀pà:

Epa aaye weeding n ṣeduro itọju ile lẹhin dida ati ṣaaju awọn irugbin.A le yan 0.8-1L 960 g/L Metolachlor EC fun hektari,

tabi 2-2.5L 330 g/L Pendimethalin EC fun hektari ati be be lo.

Loke awọn herbicides yẹ ki o wa ni boṣeyẹ lori ilẹ lẹhin ti a ti gbin awọn epa ati ṣaaju ifarahan, ati pe awọn epa yẹ ki o bo pẹlu fiimu lẹsẹkẹsẹ lẹhin ohun elo.

Fun isodipupo lẹhin-jade ati itọju ewe, 300-375 milimita fun hektari ti 15% Quizalofop-ethyl EC, tabi 300-450 milimita fun hektari ti 108 g/L Haloxyfop-P-ethyl EC le ṣee lo ni ewe 3-5 ipele ti awọn koriko koriko;

Lakoko ipele ewe 2-4 ti koriko, 300-450 milimita fun hektari ti 10% Oxyfluorfen EC le ṣee lo fun iṣakoso fifa lori awọn eso omi ati awọn ewe.

Eto iṣakoso iṣọpọ ni akoko ndagba

1. Igba irugbin

Akoko gbingbin jẹ akoko to ṣe pataki fun iṣakoso imunadoko ti ọpọlọpọ awọn ajenirun ati awọn arun.Iṣoro akọkọ wa lori itọju irugbin ati idena, o ṣe pataki pupọ lati yan iṣẹ-giga, majele-kekere, ati awọn ipakokoropaeku pipẹ lati ṣakoso awọn arun gbongbo ati awọn ajenirun ipamo.

A le yan 22% Thiamethoxam+2% Metalaxyl-M+ 1% Fludioxonil FS 500-700ml dapọ pẹlu awọn irugbin 100kg.

Tabi 3% Difenoconazole+32% Thiamethoxam+3% Fludioxonil FS 300-400ml dapọ pẹlu awọn irugbin 100kgs.

Ni awọn aaye nibiti awọn ajenirun ipamo ṣe pataki pupọ, a le yan 0.2%
Clothianidin GR 7.5-12.5kg . Waye ṣaaju ki o to gbin epa, ati lẹhinna fun irugbin lẹhin ti o ti ra ilẹ ni deede.

Tabi 3% Phoxim GR 6-8kg, ti nbere lakoko dida.

Awọn irugbin ti a wọ tabi ti a bo yẹ ki o gbin lẹhin gbigbe ẹwu irugbin, pelu laarin wakati 24.

2. Lakoko Germination si akoko aladodo

Lakoko yii, awọn aarun akọkọ jẹ aaye ewe, rot rot ati arun rot.A le yan 750-1000ml fun hektari ti 8% Tebuconazole +22% Carbendazim SC, tabi 500-750ml fun hektari ti 12.5% ​​Azoxystrobin +20% Difenoconazole SC, spraying lakoko ipele ibẹrẹ ti arun.

Lakoko yii, awọn ajenirun akọkọ jẹ Aphis, Owu bollworm ati awọn ajenirun ipamo.

Lati ṣakoso awọn aphids ati owu bollworm, a le yan 300-375ml fun hektari ti 2.5% Deltamethrin EC,spraying lakoko ipele ibẹrẹ ti Aphis ati ipele instar kẹta ti bollworm owu.

Lati ṣakoso awọn ajenirun ipamo, a le yan 1-1.5kg ti 15% Chlorpyrifos GR tabi 1.5-2kg ti 1% Amamectin + 2% Imidacloprid GR, tuka.

3. Pod akoko si ni kikun eso akoko ìbàlágà

Ohun elo ti a dapọ (apapọ kokoro + fungicides + olutọsọna idagbasoke ọgbin) ni a ṣe iṣeduro lakoko akoko iṣeto epa, eyiti o le ṣakoso ni imunadoko ọpọlọpọ awọn arun ati awọn kokoro ni aarin ati awọn ipele pẹ, aabo idagbasoke deede ti awọn ewe epa, idilọwọ ti ogbo ti tọjọ, ati imudarasi idagbasoke.

Ni asiko yii, awọn aarun akọkọ jẹ aaye ewe, rot rot, arun ipata, awọn kokoro akọkọ jẹ bollworm owu ati aphis.

A le yan 300-375ml fun hektari ti 2.5% Deltamethrin + 600-700ml fun hektari ti 18% Tebucanozole + 9% Thifluzamide SC + 150-180ml ti 0.01% Brassinolide SL, Spraying.


Akoko ifiweranṣẹ: Oṣu Karun-23-2022

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