Seed dormancy is lub xeev uas cov noob tsis tuaj yeem germinate, txawm tias nyob rau hauv cov kev loj hlob zoo tagnrho (Merriam-Webster). Vim hais tias dormancy tuaj yeem tawg los ntawm feem ntau cov kev loj hlob zoo tshaj plaws (sib txawv thiab tshwj xeeb rau txhua hom), cov noob germinate thaum lawv feem ntau yuav vam meej.
Dab tsi yog ua rau noob dormancy?
Yog vim li cas los yog ua rau lub noob dormancy
- Lub teeb.
- Kub.
- Hard Seed Coat.
- Lub sijhawm tom qab ripening.
- YGermination inhibitors.
- Imaturity of the noob embryo.
- Impermeability ntawm noob txheej rau dej.
- Impermeability ntawm noob txheej rau oxygen.
Yuav ua li cas tom qab noob dormancy?
Cov noob dormancy Tom qab tawg thiab nyob rau hauv ib puag ncig tsim nyog, xws li qhov kub thiab txias thiab nkag mus rau dej thiab oxygen, cov noob germinates, thiab lub embryo rov pib loj hlob
… Kev loj hlob nyob rau hauv cov xwm txheej zoo li no yog nyob ntawm rotting los yog puas ntawm cov noob lub tsho tiv no ntawm lub plab ntawm tus tsiaj los yog hauv av.
5 theem ntawm noob germination yog dab tsi?
Cov txheej txheem ntawm cov noob germination suav nrog tsib qhov kev hloov pauv lossis cov kauj ruam hauv qab no: imbibition, ua pa, cuam tshuam ntawm lub teeb ntawm cov noob germination, kev npaj khaws cia thaum lub sij hawm noob germination, thiab lub luag hauj lwm ntawm kev loj hlob regulators thiab kev loj hlob ntawm cov noob. embryo axis mus rau hauv ib tug yub
3 theem germination yog dab tsi?
Feem ntau, cov txheej txheem germination tuaj yeem paub qhov txawv ntawm peb theem: theem I, ceev dej imbibition los ntawm cov noob; theem II, reactivation ntawm metabolism; thiab theem III, radicle protrusion [6].
