Cov stamens ntawm pob kws raug nthuav tawm kom muaj feem cuam tshuam ntawm cov paj paj ntoos ntau tshaj. Yog li, lo lus teb raug rau lo lus nug yog cross-pollination los ntawm cua. Nco tseg: Tus kheej-pollination kuj paub tias tshwm sim hauv pob kws tab sis feem ntau, cov nroj tsuag yog hla pollinated.
hom pollination tshwm sim hauv pob kws?
pob kws yog feem ntau hla pollinated. Cua pollination (Anemophily) yog txoj cai dav dav. pollination los ntawm kab kuj tshwm sim rau qee yam.
Cov nroj tsuag entomophilous yog dab tsi?
Entomophilous nroj tsuag yog cov nroj tsuag uas pollinated los ntawm kab. Cov khoom siv paj ntoos yog ib qho npog ntawm cov khoom nplaum daj uas muaj nyob ib ncig ntawm cov paj ntoos ntawm cov kab pollinated pollen nplej. Cov khoom siv paj ntoos yog tsim los ntawm tapetum. Nws yog txheej oily uas muab cov nplaum nplaum thiab cov ntxhiab tsw tshwj xeeb rau cov paj ntoos nplej.
Puas pob kws nws tus kheej pollinated?
Feem ntau ntawm 50-60 cov qoob loo tseem ceeb hauv ntiaj teb no feem ntau yog tus kheej pollinated. Tsuas yog ob peb (xws li pob kws, rye, pearl millet, buckwheat, los yog cov taum liab liab) yog hla-pollinated. … Qhov thib ob kom zoo dua ntawm tus kheej pollination yog nyob rau hauv cov txheej txheem genetic tswj nyob rau hauv cov qoob loo.
Anemophily hom pollination yog dab tsi?
Hint: Anemophily yog faib cov paj ntoos los ntawm cua. Nws yog hom cua pollination. Vim ntev stamens nws yooj yim heev rau qee cov nroj tsuagnyiam paj ntoos los ntawm cua.
