浙江林业科技
浙江林業科技
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JOURNAL OF ZHEJIANG FORESTRY SCIENCE AND TECHNOLOGY
2014年
4期
34-40
,共7页
楼君%金国庆%丰忠平%陈爱明%储德裕%张一%刘伟宏
樓君%金國慶%豐忠平%陳愛明%儲德裕%張一%劉偉宏
루군%금국경%봉충평%진애명%저덕유%장일%류위굉
柏木%无性繁殖%扦插育苗
柏木%無性繁殖%扢插育苗
백목%무성번식%천삽육묘
Cupressus funebris%cloning%cuttage
对柏木(Cupressus funebris)不同无性系、母树年龄、插穗类型、扦插基质和插穗处理等5个因素扦插育苗试验的研究结果表明,不同无性系的扦插成苗率差异极其显著,变幅15%~100%;利用6年生以下母树上的穗条扦插都可获得较高成苗率,但随着采穗母树年龄的递增其扦插成苗率和苗木质量会有明显降低;ABT1促根处理对柏木嫩枝扦插成苗率和生根数等性状无显著影响,但对扦插苗的高生长有明显促进作用;柏木嫩枝扦插一般在6月上旬进行,选用3~6年生优良无性系或优良单株上生长旺盛的当年生嫩梢采穗,并按要求扦插,大规模扦插成苗率可达75%以上,一年生移栽苗苗高、地径和一级分枝数可分别达30.00 cm、3.00 mm和15.0支左右。
對柏木(Cupressus funebris)不同無性繫、母樹年齡、插穗類型、扢插基質和插穗處理等5箇因素扢插育苗試驗的研究結果錶明,不同無性繫的扢插成苗率差異極其顯著,變幅15%~100%;利用6年生以下母樹上的穗條扢插都可穫得較高成苗率,但隨著採穗母樹年齡的遞增其扢插成苗率和苗木質量會有明顯降低;ABT1促根處理對柏木嫩枝扢插成苗率和生根數等性狀無顯著影響,但對扢插苗的高生長有明顯促進作用;柏木嫩枝扢插一般在6月上旬進行,選用3~6年生優良無性繫或優良單株上生長旺盛的噹年生嫩梢採穗,併按要求扢插,大規模扢插成苗率可達75%以上,一年生移栽苗苗高、地徑和一級分枝數可分彆達30.00 cm、3.00 mm和15.0支左右。
대백목(Cupressus funebris)불동무성계、모수년령、삽수류형、천삽기질화삽수처리등5개인소천삽육묘시험적연구결과표명,불동무성계적천삽성묘솔차이겁기현저,변폭15%~100%;이용6년생이하모수상적수조천삽도가획득교고성묘솔,단수착채수모수년령적체증기천삽성묘솔화묘목질량회유명현강저;ABT1촉근처리대백목눈지천삽성묘솔화생근수등성상무현저영향,단대천삽묘적고생장유명현촉진작용;백목눈지천삽일반재6월상순진행,선용3~6년생우량무성계혹우량단주상생장왕성적당년생눈소채수,병안요구천삽,대규모천삽성묘솔가체75%이상,일년생이재묘묘고、지경화일급분지수가분별체30.00 cm、3.00 mm화15.0지좌우。
Experiments were conducted on seedling cultivation of Cupressus funebris by cuttings with different clones, mother tree age, cutting types, substrate and treatment of cuttings. The results showed that survival rate of different clones ranged from 15%to 100%. Favoring survival rate could be obtained in cuttings from mother tree less than 6-year, negative correlation between cutting age and survival rate was observed. Survival rate was not significantly improved by ABT treatment, whereas seedling height was largely increased by ABT. It was suggested that cuttage of cypress should be performed in the early June, with softwood cuttings on 3-6-year plus clones or trees. With the cuttage techniques above-described, the survival rate could be reached above 75%in large-scale cutting propagation, whereas seedling height and diameter could reach 30 cm and 0.3 cm respectively.