PEG模擬干旱脅迫對(duì)山韭種子萌發(fā)的影響

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中圖分類號(hào)Q945.78文獻(xiàn)標(biāo)識(shí)碼A文章編號(hào) 0517-6611（2025）11-0039-04

doi：10.3969/j. issn.0517-6611.2025. 11. 010

開(kāi)放科學(xué)（資源服務(wù)）標(biāo)識(shí)碼（OSID）：

Effects of PEG Simulated Drought Stress on Seed Germination of Allium senescensL

Deli Geer， LIU Ze-yu， YANG Xu et al （College of Grassland Science，Inner Mongolia Minzu University，Tongliao，Inner Mongolia 028000）

AbstractOeieinstateteatioflumsenescesLsedsdetdroughteoetandtonderstditssist ancetothedroughtenvironmentMethodAllumsenescensLseedswerecollctedasteresearchobject，andtheectsofsiulated droughtstressidifretonetratosofooneafisesLdsereistgatedteteteger minationrateoftheseds，einationpotentialgerinatioidex，mbrydiclelngthndvigordex．Result]Astecoetationof PEG-60OO increased，the time for Allium senescens L. seeds to initially germinate to reach 50% increased;the germination rate of 10% was not diferentfroatf;scddatidat there was no significant difference between mild drought of PEG 10% and the control，and the seed germination was inhibited by PEG 15% and 20% ，the concentration reached 20% and the seed germination was inhibited. Concentration reached 20% seed germination stagnation; the embryonicrotlengthwithdrought stress increaseshowedlowpromotioandhighinhibition，inthePEG-6OoOconcentrationof 10% to reach the longest. [Conclusion] Allium senescens L. seeds were resistant to drought stress at 10% PEG concentration，but seed germination of Allium senescens L. seeds stagnated at high concentration.

Key wordsDrought stress;Allium senescens L. ;Seed germination;PEG-6000

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