CN105325245A - Lowland willow cutting seedling raising method - Google Patents

Abstract

The invention discloses a lowland willow cutting seedling raising method. The lowland willow cutting seedling raising method comprises land preparation, scion collection, cutting time and method, field management after cutting, wherein land plowing depth is 25 to 30cm in a principle that no yellow soil is exposed, and soil is suppressed by using a roller when soiling depth is 15 to 20cm in spring of next year; length of shoots for cutting is 12 to 15cm, the thickness of tips is not smaller than 0.6cm, the scions are cut flatly from the top and obliquely from the bottom, the top surface of the cut scions is flat, the bottom surface of the cut scions is oblique, a robust bud is left at a position 1cm far away from the upper plane of a split position, the cut scions are graded and classified and are respectively buried with wet sand, and terminal buds are reserved; cutting is performed when soil is unfrozen to depth of 15 to 20cm in spring before or after April, and seedlings are sprayed once by using spray irrigation; coppice shoots for cultivation are cut according to 10 to 15 plants per meter, female plants for cultivation are cut according to 8 to 10 plants per meter, and big seedlings for cultivation are cut according to 3 to 4 plants per meter; a straight cutting method is used as a cutting method, the scions are firstly immersed in clean water for 1 to 2d before cutting, compaction is needed while cutting, and the terminal buds are exposed out of the surface of the soil for 1cm after compaction; the willow cutting seedling raising method provided by the invention has the advantages of short emergence period and high emergence rate.

Description

A kind of low-lying land willow cuttage and seedling culture method

Technical field

The invention belongs to the vegetative propagation technique field of plant, particularly relate to a kind of low-lying land willow cottage method.

Background technology

Willow is a kind of common deciduous tree, willow is widely distributed, and it is various in style, there is easy breeding, grow the features such as fast, drought-resistant, solid morning, directive breeding, willow produces wide adaptability by natural crossing and artificially breeding, resist cold drought-enduring, Resistant, anti-centre rot improved seeds, new varieties have exceeded some old kinds, willow is under excellent water and fertilizer management condition, be adapted to intensive directional cultivation, its cultivation scope is wide, strong adaptability, national most area all can be cultivated, and its nursery stock is originated mainly cuttage and seedling culture.

Summary of the invention

It is shorter that the present invention aims to provide one cycle of emerging, the low-lying land willow cuttage and seedling culture method that emergence rate is high,

The technical scheme realizing the object of the invention is as follows:

A kind of low-lying land willow cuttage and seedling culture method, is characterized in that, comprise the following steps:

1) wholely

Low-lying land carries out wholely in the fall, and the degree of depth of ploughing and ploughing is at 25 ~ 30cm, and not reveal loess for principle, the spring in next year suppresses with roller when soil to 15 ~ 20cm; Broken soil block is played in suppression, layer is loosened the soil in compacting, promote the capillarity of plow layer.Loosing soil behind whole ground, the natural vegetations such as soil layer thickens, shrub weeds are eliminated, and the grow mechanical resistance that is subject to of seedling root reduces.

2) adopting of bar fringe is cut

The time of adopting bar carried out in spring, answer growth selection healthy and strong, make a kind bar without damage by disease and insect, the coppice shoot sprouted then that lignification is good; Cutting length 12 ~ 15cm, the tip of a branch is slightly not less than 0.6cm, cuts flat declivity on fringe, be fringe bottom surface that is flat, that shear off above the fringe sheared off be oblique, splitting stays a healthy and strong bud bud apart from upper plane 1cm place, classifies after having cut fringe, bury with wet sand respectively, retain terminal bud;

3) cutting time and method

Before and after mid-April, when spring, soil thawed dark to 15 ~ 20cm, carry out cuttage, first seedling is sprayed one time with sprinkling irrigation; The distance of cuttage is generally determined according to nursery object, cultivates coppice shoot every meter cuttage 10 ~ 15 strain, cultivates maternal every meter of cuttage 8 ~ 10 strain, cultivating large seedling every meter cuttage 3 ~ 4 strain; The distance (density) of cuttage is different with seeds and operating type, and general slow raw seeds are greater than the quick growing species of trees.Cottage method selects straight cutting method, first bar fringe clear water is soaked 1 ~ 2d before cuttage, with cuttage with having peace of mind, and Main Function keeps the moisture in soil, prevents moisture from evaporating, and after steady and sure, terminal bud exposes soil surface 1cm;

4) field management after cuttage

Terminal bud starts to sprout, and Here it is becomes current and Seedling Stage, as born side root, and appropriate Nitrogen Top Dressing, phosphate fertilizer; Promote growth of seedling; The clump spray that cuttings is sprouted to be removed when willow and willow grow to 10 ~ 15cm about late May, select strong reservation 1 strain, will shovel in time when grass grows to 6 ~ 10cm; June, early and middle ten days, should once pour water to the nursery stock of institute's cuttage again, did fertilising well in conjunction with shoveling; Nursery stock 7 wanted liquid manure sufficient before the end of month, based on nitrogenous fertilizer, stop nitrogenous fertilizer at the beginning of 8 months.

Beneficial effect of the present invention is: willow cuttage and seedling culture is emerged, and the cycle is short, emergence rate is high.

Embodiment

Below will be described in detail the preferred embodiments of the present invention.Should be appreciated that preferred embodiment only in order to the present invention is described, instead of in order to limit the scope of the invention.

Embodiment 1

A kind of low-lying land willow cuttage and seedling culture method, is characterized in that, comprise the following steps:

1) wholely

Low-lying land carries out wholely in the fall, and the degree of depth of ploughing and ploughing is at 25 ~ 30cm, and not reveal loess for principle, the spring in next year suppresses with roller when soil to 15 ~ 20cm; Broken soil block is played in suppression, layer is loosened the soil in compacting, promote the capillarity of plow layer.Loosing soil behind whole ground, the natural vegetations such as soil layer thickens, shrub weeds are eliminated, and the grow mechanical resistance that is subject to of seedling root reduces.

2) adopting of bar fringe is cut

The time of adopting bar carried out in spring, answer growth selection healthy and strong, make a kind bar without damage by disease and insect, the coppice shoot sprouted then that lignification is good; Cutting length 12 ~ 15cm, the tip of a branch is slightly not less than 0.6cm, cut flat declivity on fringe, be fringe bottom surface that is flat, that shear off above the fringe sheared off be oblique, splitting stays a healthy and strong bud bud apart from upper plane 1cm place, classifies after having cut fringe, bury with wet sand respectively, note retaining bud, especially terminal bud, namely first bud;

3) cutting time and method

Before and after mid-April, when spring, soil thawed dark to 15 ~ 20cm, carry out cuttage, first seedling is sprayed one time with sprinkling irrigation; Nursery lack of water can be supplemented like this, play good facilitation to nursery stock blastogenesis is long.

The distance of cuttage is generally determined according to nursery object, cultivates coppice shoot every meter cuttage 10 ~ 15 strain, cultivates maternal every meter of cuttage 8 ~ 10 strain, cultivating large seedling every meter cuttage 3 ~ 4 strain; Cottage method selects straight cutting method, first bar fringe clear water is soaked 1 ~ 2d before cuttage, with cuttage with having peace of mind, and after steady and sure, terminal bud exposes soil surface 1cm;

4) field management after cuttage

Terminal bud starts to sprout, and Here it is becomes current and Seedling Stage, as born side root, and appropriate Nitrogen Top Dressing, phosphate fertilizer; The clump spray that cuttings is sprouted to be removed when willow and willow grow to 10 ~ 15cm about late May, select strong reservation 1 strain, will shovel in time when grass grows to 6 ~ 10cm; June, early and middle ten days, should once pour water to the nursery stock of institute's cuttage again, did fertilising well in conjunction with shoveling; Nursery stock 7 wanted liquid manure sufficient before the end of month, based on nitrogenous fertilizer, stop nitrogenous fertilizer at the beginning of 8 months.

Above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of right of the present invention.

Claims (1)

1. a low-lying land willow cuttage and seedling culture method, is characterized in that, comprises the following steps:

1) wholely

Low-lying land carries out wholely in the fall, and the degree of depth of ploughing and ploughing is 25 ~ 30, and not reveal loess for principle, the spring in next year suppresses with roller when soil to 15 ~ 20cm;

2) adopting of bar fringe is cut

The time of adopting bar carried out in spring, answer growth selection healthy and strong, make a kind bar without damage by disease and insect, the coppice shoot sprouted then that lignification is good; Cutting length 12 ~ 15cm, the tip of a branch is slightly not less than 0.6cm, cuts flat declivity on fringe, be fringe bottom surface that is flat, that shear off above the fringe sheared off be oblique, splitting stays a healthy and strong bud bud apart from upper plane 1cm place, classifies after having cut fringe, bury with wet sand respectively, retain terminal bud;

3) cutting time and method

Before and after mid-April, when spring, soil thawed dark to 15 ~ 20cm, carry out cuttage, first seedling is sprayed one time with sprinkling irrigation; Cultivate coppice shoot every meter cuttage 10 ~ 15 strain, cultivate maternal every meter of cuttage 8 ~ 10 strain, cultivating large seedling every meter cuttage 3 ~ 4 strain; Cottage method selects straight cutting method, first bar fringe clear water is soaked 1 ~ 2d before cuttage, with cuttage with having peace of mind, and after steady and sure, terminal bud exposes soil surface 1cm;

4) field management after cuttage

Terminal bud starts to sprout, and Here it is becomes current and Seedling Stage, as born side root, and appropriate Nitrogen Top Dressing, phosphate fertilizer; The clump spray that cuttings is sprouted to be removed when willow and willow grow to 10 ~ 15cm about late May, select strong reservation 1 strain, will shovel in time when grass grows to 6 ~ 10cm; June, early and middle ten days, should once pour water to the nursery stock of institute's cuttage again, did fertilising well in conjunction with shoveling; Nursery stock 7 wanted liquid manure sufficient before the end of month, based on nitrogenous fertilizer, stop nitrogenous fertilizer at the beginning of 8 months.