Qadkashii poya, shokharoni: Poya juzi tarkibii navda meboshad. Vay ba bolo qad afrokhta, barghoro ba ravshani mebarorad. Ba tufayli poya resha bo bargu mugjai rastaniho aloqai zich paydo mekupad. Dar poya metavonad moddahoi gizoi zakhira shavand. Poyai rastaniho alafi va chubi meshavad. Poyaho az rui khususiyathoi biologiashon gunogun buda, onhoro …

Juzhoi burishi kundalangi yagon shokhcha, gula yo kundai darakhtero, ki ba nazdiki buridaand, az nazar meguzaronem. Dar sathi juzi burish yo arrashudai gula se qabat farq karda meshavad. Qabati berunii siyohtobu nisbatan tunukro pustlokh meguyand. Vay az boftahoi gunogune, ki qabatqabat joygirand, iborat ast. Qabati sakhte, ki az hama serbar …

Ba tufayli boavj taqsim shudani hujayrahoi kambiy tanai (poyai) buttavu darakhton va poyai giyohhoi bisyorsola gafs meshavad. Buluthoi “kukhansolu” azimjussae malumand, ki davrodavri tanai onho ba 10 m merasad. YO in ki kundai yak evkalipti pir chunon gafs bud, ki dar rui on maydonchai raqs sokhta shudaast. Poya dar ruzhoi …

Dar ravishi ba omilhoi muhiti beruna mutobiqshavii rastaniho, dar baze holatho, tagyiryobii shakli bargi rastaniho mushohida karda meshavad. In barghoi shakldigarkarda vazifahoi digarro niz ijro mekunand, ki on ba barghoi asosi khos nest. Masalan, baze barghoi zirk (zilol) ba khor tabdil yoftaand. Onho nazar ba barghoi muqarrari obro kam bukhor …

Olimi barjastai rus Kliment Arkadevich Timiryazev dar “Hayoti rastani” nom kitobash dar khususi ahamiyati rastanihoi sabz dar tabiat va inkishofi hayot dar rui Zamin ba tavri khele vozehu fah- mo khitob kardaast: “Zamone, dar kadom yak mahal nuri Oftob ba Zamin aftid, ammo na ba zamini besamar, balki ba yak …