Rhododendrons bụ osisi ornamental, ya mere ha na-awakpo ha site na pests na ọrịa dị iche iche. Ndi mmadu nile, ndi a kuru n'ime anyanwu, na-aria oria site na oria karia ndi no na penumbra. Ulo oru ugbo nke oma na-eme ka agha ghara iguzogide ya, ma ihe egwu ahu ka ka no. N'isiokwu ahụ, anyị ga-atụle ihe mere epupụta nke rhododendron na-akpọnwụ n'oge na-adịghị anya, buds na-agba ọchịchịrị ma ọ bụ na buds na-anwụ, yana ọrịa ndị bụ isi na osisi ndị a na-adịkarị mfe.
Trachemicomy ga-
Mgbaàmà mbụ bụ mmalite nke usoro nke rotting usoro mgbọrọgwụ. Ngwá ọrụ na-egbochi ụzọ nke nri, dịka nsonaazụ nke usoro osisi vascular na-ata.
Rhododendron tụgharịrị aja aja ma dries, epupụta na petioles, na mycelium na-acha ọcha na-apụta na ogbugbo. Mgbọrọgwụ ahụ ji nwayọọ nwayọọ nwụọ. Nri nke osisi na-echekwa ọrịa ahụ.
Ọ bụrụ na ohia ahụ adịghị arịa ọrịa, ọ dị mkpa iji belata ebe ndị ahụ oria ma kpọọ ha ọkụ n'egbughị oge. Dezie osisi niile na mmiri Bordeaux. A na-egbochi mgbochi site na ịpịkọta osisi bushes ma na-agbanye mpaghara mgbọrọgwụ ya na ngwọta 0.2% nke nkwadebe "Fundazol". 
Phytophthora ire ere
Akwụsị na-emechi ọnyá na-adabere na nkwụsị nke rhododendron ma ọ bụ na-eduzi mmiri mmiri na-adịghị mma. Tụkwasị na nke ahụ, ọ ga-ekwe omume iweghasị phytophthora n'ogige ubi ahụ na osisi na-adịghị mma nke a zụtara site na ụlọ akwụkwọ ọta. Ọrịa ahụ malitere ịmị akwụkwọ na-enweghị ike ịmaliteghachi.
Mgbọrọgwụ ahụ na-acha aja aja ma na-ere. Bido ịgbanwuo alaka edo edo, wee sụgharịa rhododendron. A na-ekpuchi eriri mgbọrọgwụ na isi nke ị ga-eji ntụ na-acha uhie uhie na-acha odo odo, bụ nke na-eme ka oghere na-acha odo odo na-etolite. Ohia na agbapu ma dries, ma ogwu ya na ala gburugburu na-ejigide oria.
N'ihe mbụ nke ọnya ahụ na rhododendron, ọ dị mkpa ịmalite iji ọgwụ mgbochi Bordeaux mee ihe, "Quadris" ma ọ bụ "Fundazole" 0,2%. A gha-akpọ osisi ọkụ ọkụ na mgbọrọgwụ na igbochi nke osisi ahụ ike. 
Ọrịa nje bacteria
A na-egosiputa ọrịa cancer nke bacteria site na ịmepụta mgbatị dị iche iche gburugburu na mgbọrọgwụ mgbọrọgwụ dị ukwuu. Usoro ndị a na-aghọwanye ọchịchịrị na oge.
Ohia na-agba ngwa ngwa ma na-efunahụ ike okooko. Ọganihu ndị ọzọ na-agbanye n'olu na-amalite ire ere, osisi ahụ anwụọ, ma ihe ndị ọzọ na-anọgide na-ebute ọrịa ahụ.
Ọ dị mkpa! Ndị ọzọ rhododendrons nwere ike ibute ọrịa site na ịkụ ihe.
Dịka ọ na-egbu oge, a na-ejikarị mmiri mmiri Bordeaux ma ọ bụ ọgwụ ọzọ yiri nke ahụ na-egosipụta mgbaàmà mbụ. Ọ bụrụ na ị mebie ya, gbanye osisi ahụ tinyere usoro mgbọrọgwụ. 
Grey na ire ere ọzọ
Rhododendron nwere ike imetụta ọtụtụ ire ere:
- isi awọ
- seedlings na-eto eto seedlings;
- buds;
- mgbọrọgwụ;
- acha ọcha;
- na-anwụ apụ Ome.
Mkpụrụ mkpuchi nwayọọ nwayọọ na-ada ma malite ịgbawa. N'elu iru mmiri dị elu, akụkụ ụfọdụ nke ohia nke necrosis na-emetụta na-ekpuchi ihe mkpuchi na-acha uhie uhie na-acha ntụ ntụ. Mgbe obere oge gasịrị, mycelium na-asachasị na-ejupụta na sclerotia.
Ị ma? Na Nepal, rhododendron na-eme ihe ọṅụṅụ, tii, na ọbụna pickles ya okooko osisi.
Ọ ga-ekwe omume ịnagide ire ere nanị site n'ibipụ akụkụ ndị metụtara akụkụ rhododendron. Maka ọgwụgwọ prophylactic, gbanye osisi ahụ nwere ngwọta 0.2% nke nkwadebe "Fundazol" ma wụnye ya mpaghara mgbọrọgwụ ya.
Na-eto eto ma na-eto eto n'ihi na rhododendron ọ na-amalite site na akpọnwụ na-ejedebe na ọnwụ. White spores nke fungi ma ọ bụ akpụkpọ anụ na-etolite na ya epupụta, na n'elu kpuchie na eri yiri ka cobwebs.
Ome, nke malitere ịnwụ, fesa ya na anwụrụ ọkụ ma ọ bụ ntụ ntụ nke ọgwụ "Fundazol." Na mgbakwunye, maka ebumnuche nke prophylaxis, ọ ga-ekwe omume ịnagide ngwọta 0.2% nke nkwadebe "Fundazol".
Buds adia Ndị buds gbanwere aja aja wee nwụọ, mgbe nke ahụ mycelium na-etolite n'ime alaka. Iji kpachiwe mmepe nke ọrịa ahụ site na iwepụ buds na nkụ. Ọ bụ ezie na osisi ahụ na-adị ndụ mgbe ọ na-eto eto, izu abụọ ọ bụla na-eji ọgwụ ndị na-agụnye ọla kọpa mee ya.
Kwụsị Ome egwu osisi na-eto eto na ndò. Buds n'elu oke ohia agaghi adi. Kama nke ahụ, agba ha ga-agba aja aja na usoro ọnwụ ga-amalite. Na-eso ha, epupụta ga-amalite ịmalite elu, nweta aja aja na agba. Site na ike imeri osisi ga-anwụ. Ọrịa ahụ nwere ike ịmalite site na mgbapụ nke epupụta na ụfọdụ Ome. Mgbe ahụ, ha ga-amalite ịkụ, mgbe nke a gasịrị, ụzọ mgbapụ ahụ ga-anwụ.
Iji nagide ọnwụ nke Ome site n'ịkụ akwụkwọ na-emetụta ya na Ome. Ozugbo rhododendron na-apụ, ọ kwesịrị ịmalite ịmalite ọgwụgwọ na mgbakwunye ọla kọpa (kwa izu abụọ).
Nkpọrọgwụ ire na-emetụta mgbọrọgwụ na ị ga na isi. Ma nke mbụ, akwụkwọ ahụ na-ada ma daa n'enweghị ihe kpatara ya. Ọzọ, akụrụ na-acha aja aja na agba ma nwụọ. Ozugbo ọnwụ rhododendron gasịrị, usoro mgbọrọgwụ na-acha aja aja na ire ere.
Iji nagide ọrịa ahụ, ọ dị mkpa iji ọkụ na-ere ọkụ na mpaghara osisi ma ọ bụ kpamkpam dum ọrịa ohia. O kwere omume iji chebe rhododendron site na mgbọrọgwụ mgbọrọgwụ. Nọgide na-enwe acidity nke ala na ọkwa dị mkpa maka ọkwa gị, ma na-agbaso iwu maka ịgbara mmiri. 
Acha ọcha na-acha ọcha na-agbanye gburugburu olu olu nke osisi ahụ ma dị ka mgbanaka agba ntụ ọcha. A na-akpata ọnya ahụ site na ero a maara nke ọma, agarịa mmanụ aṅụ, nke bụ ero ya na-epulite na-adaba rhododendrons. N'ihi ya, ohia na-anwụ. Ndị na-eto eto rhododendron siri ike adịghị arịa ụdị ọrịa ahụ.
A ghaghị ịkụcha osisi ahụ ọkụ ma kpọọ ọkụ, a ga-ebugharịkwa osisi ndị dị nso na ya. 
Ọ dị mkpa! A ghaghị imegharị ya ka mulch ghara ikpuchi olu olu nke ohia.
Ọrịa ọrịa
Enwere m ike ịkpasu oria ojoo na otutu udiri, nke bu: 
- Mee obere nkwarụ na ndim nke epupụta. A na-ekpuchi ha na nnukwu uhie uhie ma ọ bụ na-acha uhie uhie na agba aja aja ma ọ bụ elongated. Na mpaghara nke necrosis, oge ntoju na-apụta site na spores. N'ihi ya, mkpịsị mmiri na-agba na ịgbawa.
- Ụdị acha ọcha pillow growths na nwa na-eto eto nke osisi shrub.
- A na-ekpuchi epupụta na tụrụ gburugburu. N'akụkụ azụ nke ha ị nwere ike ịhụ mmepe nke chara acha ọcha.
- Gbanwee agba nke nwa ehi na-acha aja aja. N'akụkụ azụ nke mpempe akwụkwọ ahụ, a na-egosi patina mealy, mgbe nke ahụ gasịrị usoro nke ịnwụ amalite.
- Epupụta Ome dị ịtụnanya. Akụkụ akwụkwọ ndụ akwụkwọ ndụ na-acha akwụkwọ ndụ na-eto eto na-eto eto na rhododendron. A na-ekpuchi ha na-acha ọcha oge ntoju. Akwukwo akwukwo amalite ichikota, kpocha ma kpoo.
E nwere ike ịgwọ ọrịa ahụ site na ịmebi ebe ndị emetụtara, nakwa site n'ịgwọ mmiri mmiri Bordeaux ma ọ bụ Cumulus. A na-edozi nhazi kacha mma na mmiri.Ụdị dị iche iche
Pestalocian spotting emetụta nwa ehi na ị ga. Ha na-apụta na-acha aja aja nke ọdịdị oge. A na-ejikwa mpaghara aja aja na-acha aja aja mepụtara ha. Epupụta nwere ntakịrị tụrụ karịa stalks. Nlekọta ahụ na-egosi mbadamba ntụ ntụ na spores.
Ị ma? Mmanụ aṅụ si nectar nke ụfọdụ rhododendrons nwere hallucinogenic na laxative Njirimara.Ọrịa rhododendron, nke na-anọchite anya foto ahụ, "gbanwere" agba nke ị ga-agba aja aja ma na-acha akwụkwọ ahụ, ya mere ọgwụgwọ ya na-eme site n'ịkpụ akụkụ ndị emetụta ya na ọgwụgwọ nke ohia ahụ na Bordeaux mortar ma ọ bụ "Camulus".
A na-achọpụta blotch Anthracotic na ntụpọ aja na akụkụ nke elu nke akwukwo ya na ihicha ya. Na mkpịsị ahụ mejupụtara ọchịchị gbara ọchịchịrị na spores. Mgbe epupụta dara stalks.Ọgwụgwọ anthrax spotting dabeere na ibelata ọnya na spraying Bordeaux mmiri. 
Septoria Spotting emetụta nwa nke rhododendron. A na-ekpuchi ya na ogho uhie. Mgbe oge ụfọdụ gasịrị, mkpụrụ ojii na-etinyere mkpụrụ osisi nke ero ahụ na-egosi n'elu ya. Mgbe nke a gasịrị, akwụkwọ ahụ bụ yellower ma kpoo.
Ọrịa rhododendron, bụ nke a na-anọchite anya foto ahụ, dị iche iche site na ịmalite anụ ahụ na-acha akpụkpọ anụ n'elu akụkụ ahụ, ya mere, a na-emeso ya site n'ibipụ ebe ndị ahụ metụtara ma na-agwọta osisi shrub ahụ na Bordeaux mortar ma ọ bụ Camulus. 
Ọ dị mkpa! Spraying osisi na ọla kọpa preparations na akwa iru mmiri egwu epupụta Ome na Burns.Ọdịdị Phylocystic achọtara dị ka akwụkwọ. Ihe mgbaàmà ebumpụta ụwa bụ ihe omume nke nnukwu gburugburu gburugburu na-acha ọbara ọbara. Obere odo na-amalite ịpụ na ha. Ọzọ akwụkwọ na-ala n'iyi.
Ịkwanye ebe ahụ nwere ike agba aja aja na-adabere na ụdị ọrịa ahụ. Ka oge na-aga, mmeri na-egbuke egbuke, cracks na crumbles. N'okwu a, ọ dị mkpa iji kpochapụ akụkụ ndị ahụ emetụta ma na-emeso ohia na mmiri Bordeaux ma ọ bụ Camulus.
Cercosporosis
Zercosporosis kpebisiri ike site n'itinyeghị akpụkpọ anụ aja na-acha uhie uhie.
Na ọnọdụ nke akwa akwa iru mmiri na-ekpuchi ya na oge ntoju nke isi awọ. Nkebi ala nke rhododendron epupụta nwere ike imebi emebi. 
Akuru
Rust rhododendron na-arịa ọrịa n'oge oge mgbụsị akwụkwọ. Uhie na-acha uhie uhie, odo odo ma ọ bụ aja aja na-apụta n'azụ azụ nke akwụkwọ. Osisi malitere ịmalite ịhapụ ya ngwa ngwa. Na oge opupu ihe ubi na epupụta ị ga-ahụ pads na ụyọkọ nke agba aja uhie.
Ọrịa rhododendron na foto na-egosi nanị na akwụkwọ ahụ, ya mere nkwụsị mbụ nke ọgwụgwọ ya bụ nchịkọta na ọkụ nke akwụkwọ. Ọzọ, mepụta nhazi ọgwụ ọjọọ, nke gụnyere ọla kọpa. Na nke mbụ nke oria ahụ, a na-atụgharị ájá ahụ na mgbochi Bordeaux.
Moses
Tụlee ihe ize ndụ nke ọrịa ọrịa rhododendron na otu esi emeso ya. Mosaic nje dị nnọọ disfiguring ohia epupụta. Ha na-enweta ike na obi ike. Agba nke akwụkwọ ahụ na-acha odo odo, ọka na-acha akwụkwọ ndụ akwụkwọ ndụ.
Iji nagide ọrịa ahụ, belata alaka na akwukwo nke ohia. Ọ bụrụ na nje ahụ mebiri emebi, wepụ ya. 
Chlorosis
A na-achọ Chlorosis na ogho odo ndị na-apụta n'akụkụ ọnụ nke akwukwo. Rhododendron dara na-arịa ọrịa n'ihi ụba nke ala ma ọ bụ enweghị nri na ihe ndị dị na ya.
Ị nwere ike ịnagide nsogbu ahụ site na ịmepụta shrub na magnesium sulfate na sulfate ferrous. A na-atụgharị ọgwụ ndị ahụ na mmiri. Ọgwụ - 7 g / l. 
Ị ma? Rhododendron nwere ụdị phytocidal, bactericidal na insecticidal, akwụkwọ ya nwere acid ascorbic.
Ụdị rhododendron ọ bụla nwere ike ịdaba n'otu ọrịa. Ọtụtụ ọrịa na-enwe ọtụtụ mgbaàmà ndị dị otú ahụ ma bụrụ naanị ọdịiche dị iche iche. Usoro ọgwụgwọ kwesịrị ekwesị nwere ike ịchekwa osisi shrub na-emetụta ugbu a ma chebe rhododendrons ahụike site na ọrịa. Iji gbasaa ndụ nke ohia, ṅaa ntị na mgbanwe ọ bụla.
