Kulunjika ndi kudulira nthawi yamtengo uliwonse wa zipatso ndikofunika kuti mukolole bwino. Pali mitundu iwiri ikuluikulu ya kudulira mitengo ya zipatso :
- kuchepetsa, kutanthauza, kuchotsa mbali ya nthambi. Pa nthawi yomweyi, masamba atsopano amawonekera pa nthambi ndipo "ogona" amadzutsa;
- Kupukuta ndi kuchotsedwa kwa nthambi yonse kupanga korona wa mtengo. Kudulira uku kumawonjezera zokolola za mtengo.
M'nkhaniyi, tiyeni tiyang'ane momwe tingachepetsere chitumbuwa chokoma. Chodulira choyamba cha yamatcheri amachitika mwamsanga mutabzala mbande. Ngati simunapange kudulira kotere kumapeto kwa nyengo, mukhoza kutero mu May-June. Mukamabzala, chitumbuwa chamtengo wapatali chifupikitsidwa pafupifupi mamita awiri msinkhu. Kuti pakhale kupanga korona wa mtengo, 4-5 zigoba nthambi zimatsalira m'munsi gawo, 2-3 nthambi yachiwiri gawo, ndi awiri mwachitatu. Kudulira kasupe wa chitumbuwa kumadalira momwe korona yabwino imakhalira:
- mpando wachifumu uli umodzi kapena uli ndi nthambi zitatu - kenako nthambi zonse zimadulidwa ku masentimita 20-30. Ngati mmera uli wochepera mita imodzi, sifupika konse;
- korona ili bwino bwino, pali nthambi 4-5 yomwe ili pambali zosiyana siyana pamtunda wa madigiri 45 - ndiye nthambi zotsikazo zimadulidwa kufika 50-60 masentimita, ndipo mphukira zomwe zimakula zikufupikitsidwa kuti zikhale zochepa. Nthambi yapakati iyenera kukhala masentimita 15 kuposa ena onse.
Kupanga kudulira kwa chitumbuwa chokoma
Pamene mtengo umakula, m'pofunika kuti nthawi zonse muzitha kudulira mitengo ya chitumbuwa yomwe imalepheretsa kukula kwa mphukira. Chitani izi kudulira ziyenera kukhala kumayambiriro kwa masika, masabata atatu kapena anai asanakhalepo zomera. Koma kudula mitengo nthawi zina sikuvomerezeka. Fruiting isanayambe, mphukira zapachaka zimadulidwa kufika pa theka limodzi la kutalika kwake. Sizingatheke kudula mwana wa chitumbuwa kwambiri, kungachepetse zokolola zake. Ngati mitengo ya chitumbuwa imakula kwambiri, m'chilimwe n'zotheka kukonzera mphukira pachaka, motero imathandizira kupanga mapangidwe a mtengo ndi zokolola zambiri.
Mitengo ya chitumbuwa yamakono ndi yakale kuposa zaka zisanu, imayamba kugwira ntchito mwamphamvu kwambiri, choncho imafunika kupatulira. Dulani nthambi zonse zomwe sizikupezeka bwino kapena kukula mkati mwa korona, komanso odwala kapena owuma. Malo a magawo ayenera kuphimbidwa ndi munda wa varnish. Kuonjezerapo, ngati kuli kotheka, nthawi zonse mungalowe m'malo mwa nthambi yakaleyo, yomwe ili ndi zipatso zochepa, pazing'ono.
Pamene mtengo wa chitumbuwa umalowerera kwathunthu fruiting gawo, kudulira kwa nthambi kuyenera kuyimitsidwa kwa kanthaƔi. Panthawi imeneyi, mukhoza kuchepetsa mtengo wokhuthala kapena kuchepetsa korona ngati kuli kotheka. Ndipo kuchepetsa mu korona akhoza kuchitika pa nthawi yokolola, kuchotsa nthambi limodzi ndi zipatso. Kudulira chitumbuwa chokoma pa nthawi yomwe ikukula kumathandiza kuti mtengo udulidwe mwamsanga.
Kubwezeretsa kudulira kwa lokoma chitumbuwa
Mitengo yamtengo wapatali yamakono imayenera kubwezeretsa kudulira. Pa nthawi yomweyo, nthambi zakale zimachotsedwa, ndipo korona watsopano wa mtengo umapangidwa. Kudulira kumachitika kokha kamodzi pa zaka zisanu ndi zisanu ndi zisanu ndi chimodzi (6) mpaka chaka chiri chonse, mutatha kukhazikitsa kutentha kwa mpweya.
Kuwonjezera apo, kumapeto kwa kasupe, n'zotheka kusinikiza kukula kwa achinyamata mphukira, kufika 15-20 masentimita m'litali. Mu theka loyamba la chilimwe, achinyamata akukula oposa 30-40 masentimita akudulidwa ndipo kumapeto kwa chilimwe achinyamata nthambi zidzakula kuchokera kumtunda kwa masamba okonzedwa.
Samalani chitumbuwa chanu, muzidula bwino, ndipo mtengo udzakuthokozani chifukwa chokolola kwambiri cha zipatso zokoma.