Integrative Selecting and Breeding of Pop lar Pulpwood Varieties withWater-saving, H igh-yielding and Superior Quality

SU Xiao-hua; LI Yi-liang; HUNG Qin-jun; ZHANG Bing-yu; ZHANG Xiang-hua; HE Qing-geng; LIU Zhi-xin

In th is study, 10 hybrid clones of Section A irge irosw ere used as plantmater ia l and current excellent variet iesP. × euramericana Guarien to# and P. × euramricana ( Dode) Gu ineir cv. ? zhong lin-46# as controls, two new exce llentPopulus pu lpw ood varieties J2 and J6 w ere se lected through indoo r and outdoor w ater stress trials, geneticcharacters( grow th, w ood properties and pu lp y ield etc. ) of reg ional tria ls in d ifferen t eco log ical areas, and in tegrated ana lysis ofWUE, y ie ld and wood qualit ies. J2 and J6 had the characterist ics o f long-fiber, higher ho locellulose,low er lign in con tent and 1% NaOH ex tract ives, w hich filled in the b lank o f drought and salt-resistant pop lar breeding in north and northw est China.

1. Research Ins titu te of Forestry, CAF

2. Key Laboratory ofT ree Breed ing and Cu ltivation, S tate Fores try Admin istrat ionBeijing?? 100091

Received Date: 2006-08-09

Abstract: In th is study, 10 hybrid clones of Section A irge irosw ere used as plantmater ia l and current excellent variet iesP. × euramericana Guarien to# and P. × euramricana ( Dode) Gu ineir cv. ? zhong lin-46# as controls, two new exce llentPopulus pu lpw ood varieties J2 and J6 w ere se lected through indoo r and outdoor w ater stress trials, geneticcharacters( grow th, w ood properties and pu lp y ield etc. ) of reg ional tria ls in d ifferen t eco log ical areas, and in tegrated ana lysis ofWUE, y ie ld and wood qualit ies. J2 and J6 had the characterist ics o f long-fiber, higher ho locellulose,low er lign in con tent and 1% NaOH ex tract ives, w hich filled in the b lank o f drought and salt-resistant pop lar breeding in north and northw est China.

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Integrative Selecting and Breeding of Pop lar Pulpwood Varieties withWater-saving, H igh-yielding and Superior Quality

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References

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通讯作者: 陈斌, bchen63@163.com

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