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← Bumalik sa Problema KoFIELD GUIDE · SOURCE-CHECKED 23 OCT 2026

DISORDER · KATAMTAMAN NA EBIDENSYA

Herbicide injury

Pinsala ng pangkontrol ng damo

Herbicide drift, wrong timing, overlap, product mismatch or residual activity can injure rice. The spray history and field pattern are essential clues; disease and nutrient disorders can look similar.

Aktuwal na larawan ng herbicide effect sa taniman.
Larawan ng herbicide effect mula sa field-photo source. Hindi ito tiyak na diagnostic image para sa palay; iugnay ang sintomas sa spray history at pattern. Photo credit: Vivek Chandran A · CC BY 4.0. Source ↗
KATEGORYADisorder
BAHAGIDahon, Punla, Ugat, Buong halaman
CROP STAGEPunla, Pagsusuwi
EBIDENSYAKatamtaman

Ganito ba ang nakikita mo?

Huwag umasa sa iisang kulay o larawan. Suriin ang magkakaibang halaman, crop stage, field pattern, water condition at recent na gawain sa bukid. Mas kapaki-pakinabang ang close-up kasama ng larawan ng buong halaman at apektadong bahagi ng plot.

  • Ask what product was applied, when, rate from label, weather/wind, tank mix and whether spray overlap or drift occurred.
  • Injury may follow spray swaths, field edges or water flow rather than disease-like spread.
  • Keep the container/label and application record; an agronomist should confirm suspected chemical injury.

Baka iba ito

May mga problemang magkahawig. Ang pagkakaiba ay maaaring nasa hugis ng lesion, bahaging unang tinamaan, crop stage, field pattern o direktang palatandaan ng pest.

LOOK-ALIKERice tungro

Puwedeng may yellow-orange discoloration, stunting at reduced tillering; magkaiba ang intensity sa variety at infection time.

LOOK-ALIKEZinc deficiency

Look for stunting and rusty-brown discoloration, often affecting young crop; symptoms vary by soil and water.

LOOK-ALIKEDrought / water stress

Check water depth/soil moisture and whether symptom severity follows raised sections, field tail or irrigation order.

LOOK-ALIKERice blast

Sa dahon, hanapin ang pahaba o spindle/diamante na lesion na maputla o abo ang gitna at mas maitim ang gilid.

Kailan at saan lumalabas?

Mga yugto: Punla, Pagsusuwi.

Product, formulation, dose, crop stage, weather and neighboring sprays influence injury.

Hindi nagtatakda ang Kapalay ng eksaktong temperature, rainfall o season threshold kung wala itong mapagkakatiwalaang source. Magkaiba ang risk kada lugar, variety, patubig at crop management.

Ano ang gagawin ko ngayon?

  1. Stop further application of the suspected product; retain label and batch details.
  2. Photograph affected and unaffected zones and document exact application date and weather.
  3. Contact MAO/DA or poison/agricultural safety resource if exposure or severe field damage occurs.

Action threshold: Walang sapat na verified action threshold sa Kapalay para sa partikular na bukid na ito.

Non-chemical at IPM

Hindi pare-pareho ang non-chemical option sa bawat problema. Ang “non-chemical” ay hindi awtomatikong ibig sabihin ay certified organic input.

  • Do not attempt a second chemical treatment to “counteract” injury. Follow technical advice on water and crop recovery.

Mga dapat iwasan

  • Huwag maghalo ng produkto o magdagdag ng dosage para bumawi.

Kung iniisip ang chemical

Hindi nagrerekomenda ang Kapalay ng produkto o dosage para sa problemang ito sa current batch. I-confirm muna ang target at tingnan ang kasalukuyang FPA registration, registered crop/target at mismong product label. Magkakaiba ang dosage ayon sa formulation; huwag mangopya ng rate mula sa ibang produkto.

Buksan ang FPA Registered Products ↗ · Banned/restricted products ↗

Kung may exposure o pagkalason, humingi ng agarang tulong sa emergency/health service; huwag umasa sa improvised home treatment.

Paano hindi maulit sa susunod na tanim?

  • Calibrate sprayer, prevent drift, follow exact label, avoid unsupported mixes and keep treatment records.

Itala ang petsa, crop stage, lote, variety, tubig, weather, input, larawan at follow-up sa farm journal. Ang history ay nakakatulong maghambing, pero trend lang ang dapat sabihin kapag may aktuwal na records.

Mag-diagnose ng ibang sintomas

Kailan hihingi ng tulong?

  • Mabilis na kumakalat o maraming plot ang apektado.
  • Hindi mo matukoy kung sakit, peste, nutrient, tubig o chemical injury.
  • May malaking crop damage o paulit-ulit na treatment failure.
  • May pesticide exposure o posibleng unsafe application.

Dalhin ang close-up at whole-plant photos, crop stage, field map/location, variety, dates, water condition at product label sa technician.

Mga pinagkunan

Ang evidence status ay tumutukoy sa source coverage sa profile na ito; hindi ito official diagnosis label.