Chifukwa cha kusintha kwa nyengo, nyengo ndi nyengo zakhala zosayembekezereka, nthawi zambiri zimayambitsa zotayika. Ziwerengero zikuwonetsa kuti 60% mpaka 80% ya zokolola zotanuka zimayambitsidwa ndi kupsinjika kwa mabioni; Zokolola zokolola ndizokwera nyengo yabwino zaka zambiri komanso zochepa nyengo yovuta kwambiri. Zowonjezera-zothandizira zimatha kuthana ndi mavuto awa.

Indomeceic asidi (IAA), zochita zathupi: zimalepheretsa mitengo yazomera, imagwira ntchito yazithunzi, zimalimbikitsa Phototrograppy, imalimbikitsa Phototrograptpy, imalimbikitsa Phototrogy, imalimbikitsa Phototrograptpy, imalimbikitsa Photonocarpppppppppperpy, imalimbikitsa Phototrogration Cellherpy, imalimbikitsa Phototrogrationy, amabala zipatso zopanda pake; Imalimbikitsa kukula kwa masamba ndi kubereka, zimalepheretsa maluwa ndi kugwetsa zipatso, ndikuwonjezera zipatso; amalimbikitsa kumera kwa mbeu; ndipo imayambitsa caltus ndi mapangidwe a mizu mu chikhalidwe cha minofu.

Maofesi oyendetsa bwino zachilengedwe nthawi zambiri amagawidwa m'magulu awiri: 1. Chomera chachilengedwe chimakhala mahomoni mahomoni kapena ma analogi awo; 2. Okonzanso amachokera ku zinthu zachilengedwe kapena zomwe zimapezeka kudzera mu kupendekera. Izi nthawi zambiri zimakhala zosatheka mu chilengedwe komanso zimakhala ndi zoopsa zokhala ndi zinthu zosagwirizana (monga njuchi ndi mbalame).

Pothana ndi zovuta za mbewu yophukira m'dzinja ndi nthawi yozizira, timakumana ndi makonzedwe okwera monga brassinolide, da-6, ndi sodium itromnomes. Ngakhale kuti othandizira awa onse amalimbikitsa kukula kwa mbewu, katundu wawo komanso ma desboges amasiyanasiyana. Mabungwe osiyanasiyana amakhala ndi zotsatira zotsatsa zosiyanasiyana. Brassinolide, da-6, ndi sodium ittomnomes iliyonse imakhala ndi mawonekedwe awoawo ndi zovuta kwambiri.