浅谈李树的栽培与养护
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浅谈李树的栽培与养护
指导老师:****
专业:********
班级:*******
学号:*******
姓名:******
目录
引言5
1李的形态特征和生物学特性6
6
7
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2李的栽培技术与病虫害防治11
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3李的采收与储藏15
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4李的设施栽培16
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5李的栽培现状及发展前景18
结束语19
致谢20
参考文献21
浅谈李树的栽培与养护
摘要:从栽培密度、授粉树栽培、修剪、瓜果管理、肥水管理、病虫害管理、采收与贮藏,并设施栽培中环境调节、扣棚前管理、扣棚后管理等方面来剖解李树的栽培技术,为梨树高效栽培提供参考。
关键词:李树,品种,栽培,养护,发展
Talking about plum tree planting and maintenance
Abstract:From cultivation density, pollination tree planting, pruning, melon and fruit management, water management, pest and disease management, harvesting and storage, and facilities management before cultivation environment regulation, buckles in the tent, tent after management etc to creations plum tree planting technology, efficient cultivation to provide the reference for the pear tree.
Key words:Plum tree,varieties,The cultivation,maintenance,The development
引言
李树栽培范围广泛,品种丰富,在我国,栽培的李树主要为中国李,栽培历史已有3000多年,《诗经》、《齐民要术》中均有李树栽培的记载。中国李分布于全国各地,三华李、芙蓉李和槜李,可在高温、高湿的南方生长发育;东北美丽李、绥棱红李等能耐-30~-40℃的低温。因此,李树是温带果树中对气温适应性很强的树种。以河北、河南、山东、安徽、山西、江苏、湖北、湖南、江西、浙江、四川、广东、辽宁等地栽培较多。中国李不仅在中国分布广且栽培历史悠久,在朝鲜、日本等国也有较长的栽培历史,近百年来,又传至欧美各国。与美洲李杂交,培育出许多间杂交新品种。
由于作者水平有限,文中缺点、错误在所难免,恳请老师批评指正。
1李的形态特征和生物学特性
李为蔷薇科李属植物(详见图1)。全世界李属植物共有30余个种,我国有8个种。据考察,我国现有李资源800余份,在辽宁熊岳国家李品种资源圃保存李资源480余份[1]。
图 1
(1)中国李
本种为落叶小乔木,高9~12m。叶片长圆倒卵形或长圆卵圆形,上面绿色有光泽,下面浅绿色无毛,有时沿叶脉处被软柔毛或脉腋间有少数髯毛。花通常3朵并生,-2cm,花柄长1-。果实圆形,果皮底色黄或黄绿,表色有红、紫红或暗红;果梗较长,梗洼深,缝合线明显,果粉较厚;果肉为黄色或紫红色,核椭圆形,核面有纹,粘核或离核。多数品种自花不结实,或少量结实,栽培时必须配置授粉树。该
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