I huan emaw, i lovah emaw chhinchhiahna mak tak tak, zanah mi lo kal a, a hnah ei ang maiin i hmu ngai em? A nih loh leh, buh emaw, buhfai emaw, siam ṭha famkim chu leiah a tla nghal tih i hmu em? Hei hi thlipui na tak avanga thil thleng niin i ngai mai thei. Mahse hei hi a chhan chu sipai ang maia thlai chi hrang hrang a rawn luhchilh nghal avangin "Armyworm" an tih, rulhut chi khat bik a ni thei. Hemi chungchang hi vawiinah hian chipchiar deuhin han sawi ila.
He Armyworm hi tu nge ni?
A awlsam zawngin armyworm hi pest a ni. A dik tak chuan zan lama awm, zan lama active tihna, moth-a caterpillar stage a ni. Heng moth te hi kan thlai chi hrang hrang tichhetu an ni a, a bik takin buh chi, buh, corn, leh sorghum te, leh grass crops te tichhetu an ni.
Heng rulhut te hi chhan bik tak avangin "sipai" tia koh an ni. Hmun khata ei tur a tlakchham chuan heng rulhut sang tam tak hi sipai ang maiin an ding a, ei tur awmna hmun thar lam pan chuan an "march" thin. He thil thleng avang hian an hming an pu ta a ni.
Armyworm nun kawng zawh dan
He rulhut nun chhung hian stage lian pali a awm a.
1. Egg stage: Hmeichhia hian thlai ang maia hnah hnuai lamah egg za tam tak chu pawl hrang hrangin a pai thin. Cluster khatah hian rulhut 200 thleng a awm thei. Ni engemaw zat chhungin heng rulhut te hi an lo piang chhuak a, rulhut (caterpillar) ah an chang ta a ni.
2. Larva stage: Hei hi thlai tan a tichhe ber stage a ni. Egg atanga lo chhuak caterpillar te te hi an ei duh hle. Thlai hmun thenkhat, hnah leh hnah te ei reng avangin an thang chak hle. He larval stage-ah hian sub-stage engemaw zat a awm a. Heng stage te hi `(instar)` an ti a. `(instar)` stage parukna leh hnuhnung berah hian nun chhung zawnga chhiatna thleng zinga 80% vel chu a thleng a ni.
3. Pupa stage: Caterpillar puitling chuan lei hnuaiah a burrow a, a chhehvelah cocoon a siam a, pupa a lo ni ta a ni. Hetiang dinhmunah hian moth nih theihna tura chhungril lama inthlak danglamna mamawh chu a thleng thin.
4. Puitling stage: Kar khat atanga kar thum hnuah chuan cocoon atang hian gray emaw brown adult moth a lo chhuak thin. Heng rulhut te hian rulhut an pai leh a, an cycle hi an chhunzawm zel a ni.
Engtin nge caterpillar infestation a nih leh nih loh i hriat theih ang?
Heng chhinchhiahnate hi lo thlir reng la, i thlai te chu he rulhut hian a tichhia em tih en reng ang che. Hêngte hi hriatchhuah a pawimawh hle a, rang taka hma kan lak theih nân a pawimawh hle.
| Thil chhiat ziarang | Hrilhfiahna |
|---|---|
| Leaf chhiatna chhinchhiahna | A hnah kil leh a tip te chu a hrual vek niin a lang. A châng chuan a hnah bul chauh a awm a, a bak chu an ei zo vek a ni. |
| Corn beng tla tawh | Buh leh buh ang chi thlai chi hrang hrang beng chu a inthen kim lova, thingah a innghat emaw, leiah a tla emaw a ni. Hei hi thlipui na tak avanga chhiatna thleng nen a danglam a ni. |
| Caterpillar bawlhhlawh te | A hnah emaw, thing bul emaw-ah emaw, cylindrical particle te, green emaw yellow emaw, cylindrical particle (1-2 mm) hmuh tur a awm. Hengte hi rulhut bawlhhlawh (excreta) te an ni. |
| Caterpillar hmuh a ni | Chhun lamah chuan, thing hnah chhungah emaw, a hnah zingah emaw, thing bul hnuaiah emaw, rulhut (caterpillar) inthup chu i hmu thei a ni. Zanah an thawkrim zawk. |
Hei hian kan hriselna atan hlauhawmna a thlen em?
Tunah chuan he rulhut hi kan taksaah rimchhia a ni em, natna a thlen em tih i ngaihtuah mai thei.
Vanneihthlak takin Sena caterpillar hian mihring hriselna atan direct-in a tichhe lo. Chumi awmzia chu caterpillar khawih emaw khawih emaw hi harsatna lian tak a ni lo tihna a ni. Mahse, indirect health leh economic impact engemaw zat a awm .
- Pesticide hman dan: Loneitute leh huan neitute chuan he pest hi tihreh nan pesticide an hmang thin. Hengte hi dik leh him taka hman a nih loh chuan , a chhunga chemical awmte chu taksaah a lut thei a ni. Hei hian hriselna lama harsatna hrang hrang a thlen thei a ni.
- Economic loss: Hei hi loneitute tan economic loss lian tak a ni. Sum tam tak senga thlai chin tawh chu ni rei lo te chhungin a chhe thei a ni. Chumi avanga rilru hahna (mental stress) pawh hi thil tenawm a ni lo.
Pawimawh tak: Pesticide hi hman dik loh emaw, ei palh a nih chuan poisoning a thlen thei a ni. Hei hi nangmah emaw midang emaw chungah a thleng a nih chuan damdawi in hnai ber Emergency Department (ETU)-ah kal nghal rawh . Hemi chungchangah hian thu belhchian dawl zawk emaw, thurawn emaw i mamawh chuan Colombo National Hospital-a National Poisons Information Center-ah i call thei ang.
Engtin nge he hlauhawm hi thunun theih ang?
Caterpillar infestation control chu thil harsa tak a ni a, mahse a hmaa hmalakna chuan a chhiatna chu a ti tlem thei hle.
1. Rang taka hriatchhuah leh enkawl
Thlai hi enfiah fo thin, a bik takin zing leh tlaiah. A chunga kan sawi tak chhiatna chhinchhiahna te hi zawng rawh. Caterpillar leh egg cluster te chu fimkhur hle ang che.
2. Natural control dan tur
A chhiatna a tlem chuan kut hmangin rulhut te hi i paih thei bawk. Tin, rulhut pianpui hmelma, sava leh rulhut dangte pawhin an thlai an tlawh theihna tura fuih thei tur boruak siam hi a tha hle.
3. Insecticide hman dan
Infestation hi thunun theih loh a nih chuan insecticide hman a ngai mai thei. Organic (`(Bacillus thuringiensis)`, `(spinosad)`) leh chemical (`(deltamethrin)`, `(bifenthrin)` ang chi) insecticide te a awm a.
Warning: Insecticide thlan leh hman hmain i awmna hmuna agricultural extension officer emaw official emaw zawt hmasa phawt ang che. An rawtna chi leh a zat chauh hmang la, himna tur dik tak (face mask leh gloves vuah ang chi) zawm bawk ang che. Insecticide hi i duh danin hmang ngai suh.
4. Weed control
Lo neihna ram leh a chhehvel chu thlai chi hrang hrang, a bik takin thlai chi hrang hrang awm lohna hmunah dah la, hengte hi rulhut ten an rulhut an pai duhna hmun a nih avangin. Thlai paih hian rulhut pai a ti tlem thei a ni.
Take-Home Thuchah a ni
- Armyworm hi moth pakhata caterpillar stage a ni. He rulhut hian thlai a tichhe thin.
- He chhiatna lan chhuahna ber chu hnah chhe, hnah tla, leh rulhut chi hrang hrang a ni.
- Pest control nan hian a hmaa hriatchhuah a pawimawh hle. I thlai chin te chu enfiah fo thin ang che.
- Heng rulhut te hian mihring hriselna atan hlauhawm tak tak ni lo mah se, anmahni tihreh nan pesticide hman dik loh chu hriselna atan a pawi hle.
- Pesticide i hman hmain agriculture lama mithiamte thurawn la fo la , himna atana rawtna siamte zawm hmasa phawt ang che.
- Pesticide kaihhnawih hriselna lama harsatna a awm chuan doctor hmu nghal la, a nih loh leh damdawi in hnai ber ETU ah kal rawh.
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