fertile pollen造句
Varietiesthatdonotproducefertilepollenareusedasfemales.Highorlowtemperaturestresstodateproducedsterileorlowfertilepollen.Somatichybridofroughlemonwith"Hamlin"sweetorangehas74%offertilepollens.Yellow...
相关pollen的文学知识
pollen grain造句
Theinnermostwallofasporeorpollengrain.Amicroscopicfossil,asofapollengrainorunicellularorganism.Theprobabilityofanyair-bornepollengrainimpactingafemalestrobilusisinanycaseverysmall.Itconsistsofanair-fi...
pollen造句
Benisallergictopollen.Grainsofpollenonageraniumstigma.Theairispure,withneitherpollutionnorpollen.Thereisahighpollencountintheair.PollenfromaPistia:Hayfeveroccursbecauseplantsneedtotransferpollenbywind...
pollen analysis造句
Thesieving-analysismethod,anewwayofpollenanalysis,isdesignedtofitthestudyneedsofloesspollen.WesurveyedthemodernvegetationintheZijinMT.,Nanjin,andcon-ductedpollenanalysisofthesurfacesoils....
pollen allergy造句
Toinvestigatethemainallergenonfruiterwithoccupationalpollenallergyandanalyzethedifferencebetweenthatandotherspringpollenallergy.Client:I'vehaditchinmynose,sneezesallthetimetoday;Iguessitismypollenall...
pollen culture造句
haploidbreedingbypollencultureTheamountofpollenplantsregenerationfromabudintheisolatedmicrosporecultureishigherslightlythanthatinpollenculture....
produce pollen造句
Cycadsandginkgohavemotilesperm,unlikegnetophytesandconifers,whichproducepollen.Stamenisinthemiddleofaflowerandmayproducepollen....
pollen grains造句
pollengrainsgerminatedirectlyonthestigma2)Theincidenceofpollengrainsabortionis40.48±2.33%.Boththepollengrainsandthegynoeciaareactive.Eachlobecontainstwopollensacsthatproduceverylargequantitiesofsmall...
pollen tube造句
ObservationonthepollengerminationandthepollentubebehaviorduringinterspecifichybridizationinprunusAserologicreactionretardsthegrowthofthepollentube.ObservationofpollengerminationandpollentubegrowthofGi...
pollen basket造句
1、Theworkershavelittlepollenbasketsontheirlegs.2、Theystripitwiththeirmandiblesandpackitintothepollenbasketsontheirlegs....
pollen count造句
Thereisahighpollencountintheair.Whenthepollencountishigh,thedaysofhayfeverareevenworse.Trytoavoidtravelingtothecountrysidewhenthepollencountishigh.Avoidtripstothecountrywhilethepollencountishigh....