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發表於:2022-04-24
haploidbreedingbypollencultureTheamountofpollenplantsregenerationfromabudintheisolatedmicrosporecultureishigherslightlythanthatinpollenculture....
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發表於:2017-01-17
Benisallergictopollen.Grainsofpollenonageraniumstigma.Theairispure,withneitherpollutionnorpollen.Thereisahighpollencountintheair.PollenfromaPistia:Hayfeveroccursbecausepl...
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發表於:2018-11-25
ObservationonthepollengerminationandthepollentubebehaviorduringinterspecifichybridizationinprunusAserologicreactionretardsthegrowthofthepollentube.Observationofpollengerm...
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發表於:2018-11-09
Cycadsandginkgohavemotilesperm,unlikegnetophytesandconifers,whichproducepollen.Stamenisinthemiddleofaflowerandmayproducepollen....
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發表於:2019-01-14
Theinnermostwallofasporeorpollengrain.Amicroscopicfossil,asofapollengrainorunicellularorganism.Theprobabilityofanyair-bornepollengrainimpactingafemalestrobilusisinanycase...
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發表於:2021-11-10
Varietiesthatdonotproducefertilepollenareusedasfemales.Highorlowtemperaturestresstodateproducedsterileorlowfertilepollen.Somatichybridofroughlemonwith"Hamlin"sweetorang...
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發表於:2019-01-28
Toinvestigatethemainallergenonfruiterwithoccupationalpollenallergyandanalyzethedifferencebetweenthatandotherspringpollenallergy.Client:I'vehaditchinmynose,sneezesallthet...
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發表於:2018-03-13
Thereisahighpollencountintheair.Whenthepollencountishigh,thedaysofhayfeverareevenworse.Trytoavoidtravelingtothecountrysidewhenthepollencountishigh.Avoidtripstothecountryw...
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發表於:2018-01-03
Thesieving-analysismethod,anewwayofpollenanalysis,isdesignedtofitthestudyneedsofloesspollen.WesurveyedthemodernvegetationintheZijinMT.,Nanjin,andcon-ductedpollenanalysiso...
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發表於:2024-01-07
1、Theworkershavelittlepollenbasketsontheirlegs.2、Theystripitwiththeirmandiblesandpackitintothepollenbasketsontheirlegs....
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發表於:2022-08-18
pollengrainsgerminatedirectlyonthestigma2)Theincidenceofpollengrainsabortionis40.48±2.33%.Boththepollengrainsandthegynoeciaareactive.Eachlobecontainstwopollensacsthatpro...