长喙乌头种子生物学特性研究

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中图分类号S567.23文献标识码A文章编号 0517-6611(2025)12-0133-04

doi:10.3969/j.issn.0517-6611.2025.12.030开放科学(资源服务)标识码(OSID):

1onBiological Characteristicsof the Seedsof Aconitum georgei Comber

QIShu-wei,YANGShao-hua,CHENGYuan-hui etal(InstuteofAlpineEconomicPlants,Yunnan AcademyofAgriculturalSciences,Lijiang,Yunnan 674100)

AbstractInordertounderstandthebologicalcharacteristcsoftheseedsofAconitumgeorgeiComber,thefruitpodandedmohology wereobservedbyobservationmethodTheOO-grainweight,watercontent,waterabsorptionandviabilityof teseedsweremeasuredTe germinationateandgerinatiopotentialofteseedsandtefectofligosdgerationeretestedesulssowdtatthefrit waspolyfolicle,usuall-5podsattbotooftesamestalk,yllowishbrown,withalongbakoutwadlike“beak",thwolesed was“hedgehog”,oneendhasashortbeak,withadorsalabdomen,theback wasdenselywhite,dark grayorblack gradualldiscolored “fish-fin”fin,theabdomenhasablack browngrid pattern,relativelysmooth;the1Ooo-grain weightof thesedwasabout 3.73g ,and the 1 000-grain weight of the grayish-brown seed was about 2.74g .The water content of seeds was 7.49% ,and the optimum soaking time was 48h . TTC staining showed that the seed viability was 88% and the germination rate was 57.6% ,which was lower than the ideal germination rate.Among the three color seeds,the germination rate of gray brown seeds was the highest,reaching 57.5% ,while the germination rate of black seeds and gray white seeds was very low, only 8.3% and 14.4% . Light had no significant effect on seed germination rate and germination potentialbuthaditteectonsedgerminationays.Thegrayishbrown,full,wor-freeandmldew-freseedsshouldeeletedas breeding materials, soaking time 48h ,and proper light is beneficial to shorten the seedling emergence time.

Key words Aconitum georgei Comber;Seeds; Biological characteristics

长喙乌头(AconitumgeorgeiComber)为毛茛科乌头属多年生草本植物,主产于云南西北部的中甸、丽江和大理,生于海拔 2800~4000m 山地林边或灌丛中,因其根部芽嘴似禽类喙且较长而得名[1-3]。(剩余5381字)

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