Oyamba alimi wamaluwa nthawi zambiri amadzifunsa chifukwa chake kasupe pamasamba a currant anawonekera mawanga ofiira? Chifukwa cha ichi chikuchitika? Ndingathetse bwanji vuto ili?
Zitsambazi zimakhala zowonjezereka ndi matenda osiyanasiyana ndi malo ofiira pa masamba a chomera - ichi si chodabwitsa chodabwitsa. Palinso mabala ofiira pa masamba a currant wakuda, zomwe zikutanthauza kuti mwinamwake ndiwopweteka wa mawonekedwe awo ali ofanana.
Chifukwa cha mawanga ofiira pa masamba a currant
Chotsatira cha maonekedwe a masamba owongoka ndi aphid wamba. Kufalikira kwake mofulumira kumathandiza kuti kuzizizira kuzizira ndi kutentha, kuzizira chilimwe. Tizilomboti tili pamunsi mwa tsamba ndipo timayamba kumwa timadzi timeneti. Zotsatira zake ndi malo ofiira pa masamba currant kumapeto. Pang'onopang'ono, tsamba limayamba kuuma ndikufa ndipo izi sizingowonjezereka.
Mazira a aphid amapulumuka m'nyengo yozizira, amaigwiritsa ntchito pa nthambi za currant. Patapita nthawi yozizira m'nyengo yachisanu, mphutsi za aphid zimachokera ku mazira ndikukhazikika pa masamba a zomera. Atadzaza m'munsi mwa tsamba la lithiamu, amayamba kuphimbidwa ndi mawanga ndi ofiira, ndipo nthawi zina zimakhala zofiira. Kuphulika kofiira pamasamba kumawonekera nthawi yomweyo, chifukwa iwo amachoka panja ndipo amawoneka kutali.
Nsabwe za m'masamba ndi zotsatira za ntchito ya nyerere zazing'ono, choncho nkofunikira kuthetsa tizilombo toyambitsa matenda, koma nthawi yomweyo - ndi nsabwe za m'masamba ndi nyerere. Popeza masamba a black currant akuphimbidwa ndi mawanga ofiira izi zingakhudze kwambiri mabulosi a currant. Zingakhale ndi kukoma kowawa komanso madzi.
Kodi mungatani kuti musamayende ndi fodya?
Amalangizidwa kuti asagwiritse ntchito mankhwala, ngakhale currants asanakwane. Ndi bwino kugwiritsira ntchito mankhwala osokoneza bongo: mankhwala a chamomile, adyo, fodya. Kuti mankhwalawa agwiritse bwino masamba, muyenera kuwonjezera 40-50 magalamu a phula la phula kuti mupeze yankho, kapena mungathe
Njira inanso yolimbana ndi kuwonongeka ndiyo kudula masamba oonongeka pamtundu wofiira kapena wakuda.
Red currant kupulumutsidwa ku masamba ofiira
Ngati kasupe wammbuyo pa masamba a currant wanu mumawona zofiira zofiira ndi bwino kupopera pansi ndi tchire enieni ndi njira yothetsera mkuwa sulphate. Njira ina yopulumutsira chitsamba ku nsabwe za m'masamba ndi kutsitsira currant ndi limodzi peresenti ya Bordeaux madzi. Chithandizo chachiwiri chikhoza kuchitika masabata awiri kapena atatu mutatha kukolola.