[1]陈世通,吴连海,王志坚,等.美国山核桃催芽、嫁接和圃地轮作育苗关键技术研究[J].浙江林业科技,2022,42(02):32-39.[doi:10.3969/j.issn.1001-3776.2022.02.006]
 CHEN Shi-tong,WU Lian-hai,WANG Zhi-jian,et al.Technique of Pregermination, Grafting and Rotation in nursery for Seedling Cultivation of Carya illinoensis[J].Journal of Zhejiang Forestry Science and Technology,2022,42(02):32-39.[doi:10.3969/j.issn.1001-3776.2022.02.006]
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美国山核桃催芽、嫁接和圃地轮作育苗关键技术研究()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
42
期数:
2022年02期
页码:
32-39
栏目:
出版日期:
2022-03-25

文章信息/Info

Title:
Technique of Pregermination, Grafting and Rotation in nursery for Seedling Cultivation of Carya illinoensis
文章编号:
1001-3776(2022)02-0032-08
作者:
陈世通 1吴连海2王志坚3颜福花2杨先裕2姚理武4
(1. 丽水市林业局,浙江 丽水323000;2. 丽水市农林科学研究院,浙江 丽水323000;3. 松阳县林业局,浙江 松阳323400; 4. 庆元县林业局,浙江 庆元323800)
Author(s):
CHEN Shi-tong1WU Lian-hai2WANG Zhi-jian3YAN Fu-hua2YANG Xian-yu2YAO Li-wu4
(1. Lishui Forestry Bureau of Zhejiang, Lishui 323000, China; 2. Lishui Agroforestry Academy of Zhejiang, Lishui 323000, China; 3. Songyang Forestry Bureau of Zhejiang, Songyang 323400, China; 4. Qingyuan Forestry Bureau of Zhejiang, Qingyuan 323800, China)
关键词:
美国山核桃催芽嫁接育苗轮作
Keywords:
Carya illinoensis pregermination grafting seedling cultivation rotation
分类号:
S723.1
DOI:
10.3969/j.issn.1001-3776.2022.02.006
文献标志码:
A
摘要:
分别采取GA3和清水浸种处理种子、与松木(马尾松Pinus massoniana 或湿地松P. elliottii)苗或稻Oryza sativa 轮作、不同嫁接时间与嫁接方法处理,开展美国山核桃Carya illinoensish 育苗关键技术研究。结果表明:(1)与 不浸种相比,用0.4 g·L-1 GA3 和清水浸种120 h 均能提高种子的发芽率和整齐度;用0.4 g·L-1 GA3 浸种较清水浸 种提前发芽约10 d,较不浸种提前约30 d;用0.4 g·L-1 GA3 浸种还对芽生长具有促进作用,有利于提早形成光合 能力;清水浸种对芽的生长没有促进作用。(2)与松木苗轮作和与稻轮作,两个轮作处理对应的1 年生美国山核 桃苗在苗高、地径和可嫁接苗(地径≥0.65 cm)比例都达到极显著差异(P<0.01)。(3)在丽水地区,秋季带木质 部芽接适宜时间为8 月15 日—9 月23 日,采用带枝芽接的嫁接苗成活率均达到90%以上,其中以9 月23 日嫁接的 嫁接苗成活率最高,达96.7%;春季用不同方法嫁接的嫁接成活率依次为:带木质部芽接>切接>劈接;嫁接时间以 3 月中旬以后较为适宜。(4)秋季嫁接苗木的剪砧方法以次年春季芽萌时,在接口上部2 cm 处一次性剪砧为好。
Abstract:
In February and March 2014, soaking with GA3 and water and followed by stratification of introduced Carya illinoensis seed for root stock were implemented in Lishui, Zhejiang province, taking no soaking as control. They were sowed in nurseries with previous Pinus massoniana, rice and P. elliottii seedling followed by one year fallow. Grafting test was carried out in March, August and September 2011 with scion of C. illinoensis ‘Mahan’. The result showed that it could promote germination and percentage and uniformity seed treated by soaking with 0.4 g/L of GA3 solution and water for 120 hours. Seeds soaked with 0.4 g/L of GA3 germinated 10 days earlier than that with water and 30 days than that of control. It had significant differences in 1-year height, ground diameter and the grafting ratio of 1-year seedlings between previous pine seedlings and rice. Bud grafting in autumn had 90% of survival rate. Grafting in spring (last ten-day of March) had survival rate by bud grafting > cut grafting > cleft grafting. Seedlings grafted in autumn would cut rootstock the next spring 2 cm up the connector.

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备注/Memo

备注/Memo:
收稿日期:2021-07-19;修回日期:2022-01-04
基金项目:2015 年浙江省第一批林业发展和资源保护专项资金(美国山核桃栽培技术示范推广项目);浙江省重大科技专项重点农业项目 (2012C12002)
作者简介:陈世通,高级工程师,从事森林培育工作;E-mail:qlcs@126.com。通信作者:吴连海,正高级工程师,从事经济林栽培技术研 究与推广工作;E-mail: qllh86@163.com。
更新日期/Last Update: 2022-03-20