云南核桃种质资源现状及开发利用

对97个核桃种质开花结实习性、产量、坚果品质等进行了测定,结果表明,云南核桃种质资源极为丰富,其花型、结实期、成熟期、坚果三径值、出仁率等均有很大的差异.通过对97个种质综合评价认为:云南泡核桃、三台核桃、细香核桃3个品种品质最优,是云南核桃的主栽品种,可大力发展;丽3号、杂交14号等9个优系可在生产上推广应用;弥渡纸皮核桃等可作早熟品种;铁核桃和野核桃可作为栽培品种砧木和育种材料.

Germplasm Resource of Walnut in Yunnan and Its Exploitation and Utilization

The blooming and fruiting habit,individual yield and nut quality of 97 germplasms of walnut in Yunnan were examined and analyzed.The results implied that Yunnan province enjoyed very rich germplasm resources of walnut,those germplasms differed very much in flower form,fruiting period,maturation period,nut size and kernel ratio,which provided a favorable material basis for selection of superior types and progenitors.Through comprehensive assessment,"Yunnanpao","Santai"and"Xixiang"were proved to be varieties with most desirable quality,which could be developed in Yunnan in large scale.Nine suerior strains such as "Li No.3"and "hybrid No.14"could be disseminated in production."Zhipi"stemed from Midu was the suggested early fruiting variety where as wild strain of walnut could be used as rook stocks and breeding materials.