Dar Olami nabotot shubai rastanihoi pushidatukhm az hama sernamoyandatar buda, taqriban 250 hazor kheli rastanihoro darbar megirad. CHi tavre ki az darshoi guzashta ba shumo malum gardid, shuba dar navbati khud ba sinf, tartib, oila taqsim meshavad. SHubai rastanihoi pushidatukhm (yo guldor) ba du sinf – du- palla va yakpalla …

Olami nabotot dar rui Zamin sarchashmai hayot meboshad. Dar haqiqat, mavjudiyat va faoliyati hayotii inson, hayvonot va mikroorganizmhoro be mavjudiyati on “uqyonusi sabz”, ki rastaniho onro ba vujud ovardaand, tasavvur kardan gayriimkon ast. Nabotot tamomi mavjudoti zindaro bo gazi oksigen tamin mekunad. Ba tufayli ravandi fotosintez rastanihoi sabz atmosferaro bo …

Oilai chinorakho ziyoda az 2000 kheli rastanihoro darbar girifta, onho asosan dar mintaqahoi iqlimashon mutadil va khunuki kurai Zamin vase pahn shudaand. Dar Tojikiston 112 kheli onkho malumand. CHinorakho rastanihoi alafii yak yo bisyorsola buda, bazan dar shakli nimbuttavu butta va rastanihoi lianmonand (chubrost) vomekhurand. Reshaashon tirresha yo dar baze …

SHumo dar bobhoi avvali kitobi darsii sinfi 5-um ba sokht va khususiyathoi makhsusi uzvhoi nashvi va jinsii rastanihoi guldor shinos shuda buded. Rastanihoi pushidatukhm nazar ba on guruhi rastanihoe, ki to alhol shinos shudaed, sokhti murakkabtar doshta, dar onho bori avval gul paydo meshavad. Hamin tavr, paydo shuda- ni gul …