摘要
选用８个平菇品种为亲本进行自交和不完全双列杂交，以８０份材料对平菇产孢数量进行了研究。结果表明：平菇产孢量组合间、亚组合间差异显著，品种遗传上表现为杂合性；个别亚组合产孢量随温度下降而减少；产孢量亲子相关不显著，非加性效应占主导地位；无孢或多孢亲本通过自交或杂交均易产生无孢或少孢后代，但无孢比多孢亲本，自交比杂交可产生更多的无孢组合；
Theoystermushroomspore-bearingquantity(SBQ)wasstudiedinthispaperwiththeparents,theirinbredcombinationsandhybredcombinations,whichoriginatedfromtheparents'crossingbytheImcompleteDialelCrossDesign.TheresultsshowedthatthevariancesofSBQamongcombinationsandmini-combinationsweresignificant,thereforethegeneticcomponentsofparentswereheterosis.TheSBQofafewmini-combinationswasreducedwhilethethermometerwentdown.Thecorelationbetweenparentsandprogenieswasinsignificant.Sothenon-additiveefectplayedapredominantrole.Thenon-andpoly-sporeparentswereapttoproducenonorlesssporeprogenies.However,thenon-sporeparentsandself-crossingcouldproducemorenon-andless-sporeprogeniesthanthepoly-sporeparentsandcrossing.So,theyieldandtheSBQhadinsignificantlynegativecorelation.
出处
《西北农业大学学报》
CSCD
1996年第3期77-80,共4页
Journal of Northwest Sci-Tech University of Agriculture and Forestry（Natural Science Edition)
关键词
平菇
产孢数量
无孢育种
遗传
相关分析
食用菌
oystermushroom(Pleurotusostreatus,Pl.sapidusandPl.florida),spore-bearingquantity,geneticstudy,corelation
