Aphids waa cayayaan yaryar oo nuuga dhalada dhirta. Waxay khasaariyaan dalag kasta — yaanyada, basasha, galleyda, khudradda iyo dalagaha kale. Sidoo kale waxay faafiya fayrasyada dhirta.

Aqoonsiga

Cabbir: 1–4 mm. Midabka: cagaar, madow, casaan, ama jaalle. Caadi ahaan waxay ku raran yihiin xagga hoose ee caleemaha iyo dusha caleemaha cusub. Calaamadda: caleemaha way maroojin yihiin, way huruda, oo dhirta way kor u kacaaaba. Galay-galay (honeydew) buuq leh ayaa caleemaha ku jiraya — taas oo keenta fangaska sooty mold (madow ah).

Dhirta Khasaaray

Yaanyada, basasha, ansalada, kabuusha, biskiidka, galleyda, miraha, baradhada, sesame, iyo dalag kasta oo dabiici ah. Aphids waxay leeyihiin in ka badan 4,000 noocyo, oo nooc kasta wuxuu door bidaa dhirta gaarka ah.

Khasaaraha

(1) Caleemaha way curiyaan oo huruda. (2) Wax-soosaarka way hoos u dhacaa 20–80%. (3) Aphids waxay faafiya fayrasyada sida CMV (Cucumber Mosaic Virus), PVY (Potato Virus Y), iyo BCMV (Bean Common Mosaic Virus). (4) Honeydew waxay keentaa fangaska sooty mold ah oo joojiya photosynthesis.

Xakamayn Dabiici ah

  • Ladybugs (Coccinellidae)cayayaan natural ah oo cuna aphids; daah lacag ku dhiibo si aad u soo iibsato ama soo jiido oo daawee kuwii hore.
  • Neem Oilisticmaal 2% neem oil + saabuun. Ku rid 7 maalmood kasta.
  • Insecticidal Soap1 tablespoon saabuun jaban + 1 litre biyo. Ku rid si toos ah aphids.
  • Water Spraybiyo xoog leh ayaa aphids ka iidaamiya dhirta — habab fudud oo bilaash ah.

Xakamayn Kiimiko ah

Marka ay aphids halis weyn tahay, isticmaal imidacloprid (Confidor), acetamiprid, ama pirimicarb. Marna ha isticmaalin dawooyinka adag waxa kale oo aanay halis ahayn — way dilayaan cayayaanka faa'iidada leh sida ladybugs iyo lacewings. Beddel dawooyinka si looga hortago caabin (resistance).

Ka Hortagga

  • Kala saar dhirta — beero noocyo kala duwan, ha beerin dalag isku mid ah dhul oo dhan.
  • Beero "trap crops" sida nasturtium oo aphids u soo jiidanaya halkii dhirta muhiimka ah.
  • Iska ilaali nitrogen badan — nitrogen kor u kacsan wuxuu sameeyo dhir jilicsan oo aphids u soo jiidaya.
  • Eeg beerta asbuuc kasta — wakhtigan badan kahortagga ayaa keenta natiijo wanaagsan.