CN105981622A

CN105981622A - Populus euphratica twig cutting technique

Info

Publication number: CN105981622A
Application number: CN201510070225.9A
Authority: CN
Inventors: 蒋德根; 王少军
Original assignee: Golmud Grass Wolfberry Planting Professional Cooperatives
Current assignee: Golmud Grass Wolfberry Planting Professional Cooperatives
Priority date: 2015-02-11
Filing date: 2015-02-11
Publication date: 2016-10-05

Abstract

The invention provides a cutting seedling technique. The cutting seedling technique can avoid the situation that the survival rate of Populus euphratica twig cutting is low, can improve the cultivation environment of Populus euphratica nursery stocks by improving the treatment chemical of cutting stems and post management, and then remarkably improve the survival rate of the Populus euphratica twigs. The cultivation technique is simple in step, is low in production cost, and can improve the survival rate of the Populus euphratica nursery stocks to more than 90%.

Description

Populus euphratica epicormic branch cuttage technology

Technical field

The present invention relates to cultivating seedlings field, be specifically related to Populus euphratica epicormic branch cuttage technology.

Background technology

Populus euphratica (Populus euphratica Oliver) it is the rare arbor species in China's western desert area also known as cotton tree, belong to first-grade state protection plant.Populus euphratica is frequently grown in desert, it is cold-resistant, drought-enduring, Salt And Alkali Tolerance, anti-blown sand, there is the strongest vitality, ecological balance for area, stable desert river, check winds and fix drifting sand, the forest soil that regulation Climate in oasis is fertile with formation, have a very important role, it is the natural cover for defense of Desert Area Development of farming and animal husbandry, is also described as " desert patron saint " by people.

The extremely strong resistance of Populus euphratica becomes the popular seeds of the Northwest's afforestation in recent years, but Populus euphratica nursery is not an easy thing, currently mainly uses seminal propagation and two kinds of seedling raising mannerses of branch cutting.Sowing is easy in seminal propagation, can obtain substantial amounts of nursery stock, but the breeding cycle is long, and easily make a variation, and seedling root system does not has cutting seedling good yet.Although branch cutting operation is more complicated, but growth is rapidly, and seedling raise period is short, can also keep breediness simultaneously.

The Populus euphratica epicormic branch cuttage survival rate using conventional method is the lowest, is typically less than 30% , domestic Ge great scientific research institutions test for many years, all not can solve Populus euphratica and take root problem.

Summary of the invention

It is an object of the invention to for present on problem, it is provided that a kind of Populus euphratica twig survival rate and incubation step of significantly improving is compared with cuttage raise seedling technique simple, that production cost is relatively low.

The purpose of the present invention is achieved through the following technical solutions:

Populus euphratica epicormic branch cuttage technology, comprises the following steps:

A) level land and build Wen Peng；

B) laying fine sand in temperature canopy, fine sand thickness is 8 centimetres, adds base fertilizer, promote cuttage rooting in fine sand；

C) to temperature canopy covered with sunshade net before cuttage, setting up equipment of sprinkler irrigation after carrying out facility of becalming, spray temperature canopy, make room temperature reach between 40-50 degree, humid control is between 70-80%；

D) gather the shoot of Populus euphratica current growth, be trimmed to 13 centimeters long, leave the cutting of 3-4 sheet tender leaf；

E) before cuttage, Populus euphratica twig is processed by medication half an hour water: by each 5 grams of indolebutyric acid, two kinds of medicines of naphthalene acetic acid, it is dissolved in 500 milliliters of ethanol, mix homogeneously in 4 liters of water is poured again into after dissolving completely, these doses can process 50,000 strain cutting, the base portion of cutting is immersed in liquid medicine 1-2 minute, standing is kept flat 10-30 minute, it is to avoid allow liquid medicine contaminate other positions of cutting after taking-up；

F) carrying out cuttage at night, according to seeding row spacing 10 × 10 cm vertical perforating cuttage, eye is deep is 10 centimetres, and ground is left 3 centimetres, and a warm canopy completes a whole cuttage in evening as far as possible；

G) in 20 days after cuttage, Populus euphratica twig is sprayed water in time, and does not ventilate, it is ensured that the humidity of temperature canopy, it is ensured that nursery stock root can absorb enough moisture,；

H) the 2nd day in Populus euphratica cutting cuttage starts, add, with the every 200 grams of medicines of Bravo, the solution that 25 liters of water mix homogeneously obtain, in the afternoon 7 time about spray, Wen Peng seedbed is carried out disinfection, prevent from producing pathogenic bacteria because the excessive temperature of humidity is too high, the most every other day sterilize once；

I) the 3rd day in Populus euphratica cutting cuttage starts, the solution that 25 liters of water mix homogeneously obtain is added with the every 200 grams of medicines of Mancozeb, in the afternoon 7 time about spray, Wen Peng seedbed is carried out disinfection, prevent from producing pathogenic bacteria, the most every other day with regard to sterilization the most once because the excessive temperature of humidity is too high；

J) after the Populus euphratica nursery stock at temperature canopy grows to 20 days, nursery stock has taken root, raise sunshade net, improve the photosynthesis of nursery stock, promote the Seedling height of nursery stock, and timing is aerated, strengthen temperature canopy inner air flow, reduce cultivating nursery stock irrigation times, water 3-4 time every day, the humidity keeping temperature canopy is not less than 60%, and adds Water soluble fertilizer in water；

K) after cuttage 35 days, water according to the soil moisture content in seedbed.

Further, the base fertilizer in described step b) is biological bacterium organic fertilizer, and consumption is 1000 pounds/acre.

The present invention is directed to the situation that Populus euphratica epicormic branch cuttage survival rate is low, through long term test, the medicine processing cutting improves, promote nursery stock Rapid Rooting, and strict final-period management, make the environment of Populus euphratica cultivating seedlings be improved, the survival rate of nursery stock is brought up to more than 90%.

Detailed description of the invention

Below in conjunction with practical operation situation, the present invention is described in detail:

Embodiment 1

A) level land and build Wen Peng;

B) in temperature canopy, lay fine sand and make bed, wide about 1 meter, depending on the width of personal attendant's temperature canopy, thickness 8 centimetres, and in fine sand, add biological bacterium organic fertilizer, 1000 pounds/acre, cuttage rooting can be promoted；

C) to temperature canopy covered with sunshade net before cuttage, setting up equipment of sprinkler irrigation, spray temperature canopy, make room temperature reach 40-50 degree, humid control is between 75-80%, after reaching both the above condition, just can proceed by cuttage；

E) with liquid medicine, cutting is processed before cuttage: by each 5 grams of indolebutyric acid, two kinds of medicines of naphthalene acetic acid, it is dissolved in 500 milliliters of ethanol respectively, pour in 4 liters of water after dissolving completely, carry out soaking 1-2 minute to the base portion of cutting, and cuttage rooting part can only be processed, can not keep flat standing cuttage again after 10 minutes after taking-up by whole for cutting dips in medicinal liquid, these doses can process 50,000 strain cutting；

F) in order to reduce the loss of cutting moisture, carrying out cuttage at night, according to seeding row spacing 10 × 10 cm vertical perforating cuttage, eye is deep is 10 centimetres, and ground is left 3 centimetres, and a warm canopy completes a whole cuttage in evening as far as possible;

G) after Populus euphratica cutting cuttage, spray water in time, ensure the humidity of temperature canopy, ensure that nursery stock root can absorb enough moisture, promote that root growth point is taken root in time, situation about watering every day is different according to the change of weather, during fine day, every day sprays water 4-5 time, typically at 11 o'clock to 16 o'clock of the same day, water less than 5 minutes every time, during the cloudy day, every day sprays water 1-2 time, time is about at 12 o'clock to 15 o'clock, water spray not can exceed that 5 minutes every time, the most both the water yield needed for seedling growth had been ensured, also rotten of nursery stock will not be allowed, within Populus euphratica cutting cuttage 20 days, the most do not ventilate, nursery stock moisture can be caused to run off in a large number as ventilated, cause nursery stock withered；

H) the 2nd day in Populus euphratica cutting cuttage starts, add the solution of 25 kg of water with the every 200 grams of medicines of Bravo, in the afternoon 7 time spray, Wen Peng seedbed is carried out disinfection, ensureing the pathogenic bacteria produced because the excessive temperature of humidity is too high, the most just sterilization is once；

I) the 3rd day in Populus euphratica cutting cuttage starts, add the solution of 25 kg of water with the every 200 grams of medicines of Mancozeb, in the afternoon 7 time spray, Wen Peng seedbed is carried out disinfection, ensureing the pathogenic bacteria produced because the excessive temperature of humidity is too high, the most just sterilization is once；

J) after the Populus euphratica nursery stock at temperature canopy grows to 20 days, nursery stock has taken root, raise sunshade net, improve the photosynthesis of nursery stock, promote the Seedling height of nursery stock, and timing is aerated, strengthen temperature canopy inner air flow, reduce cultivating nursery stock irrigation times, water 3-4 time every day, the humidity of holding temperature canopy is at 60-70%, and adds Water soluble fertilizer in water;

K), after cuttage 35 days, water according to the soil moisture content in seedbed.

Claims

1. Populus euphratica epicormic branch cuttage technology, comprises the following steps:

A) level land and build Wen Peng；

B) laying fine sand in temperature canopy, fine sand thickness is 8 centimetres, and adds base fertilizer in fine sand；

C) setting up equipment of sprinkler irrigation to after temperature canopy covered with sunshade net before cuttage, spray temperature canopy, make room temperature reach 40-50 degree, humid control is at 70-80%；

E) with liquid medicine, Populus euphratica twig is processed before cuttage: by each 5 grams of indolebutyric acid, naphthalene acetic acid, it is dissolved in 500 milliliters of ethanol, mix homogeneously in 4 liters of water is poured again into after dissolving completely, the base portion of cutting is immersed in the liquid medicine prepared 1-2 minute, standing is kept flat 10-30 minute, it is to avoid allow liquid medicine contaminate other position of cutting after taking-up；

F) carrying out cuttage at night, according to seeding row spacing 10 × 10 cm vertical perforating, eye is deep is 10 centimetres, and during cuttage, cutting leaves 3 centimetres on the ground；

G) in 20 days after cuttage, Populus euphratica twig is sprayed water in time, and does not ventilate, it is ensured that humidity and the cutting root of temperature canopy can absorb enough moisture；

H) the 2nd day after cuttage starts, and adds, with every 200 grams of Bravo, the solution obtained after mix homogeneously in 25 liters of water, in the afternoon 7 time about Wen Peng seedbed is carried out sprinkling irrigation sterilization, the most every other day sprinkling irrigation sterilization is once；

I) the 3rd day after cuttage starts, with the every 200 grams of solution obtained after adding in 25 liters of water uniformly mixing of Mancozeb, in the afternoon 7 time about Wen Peng seedbed is carried out sprinkling irrigation sterilization, the most every other day sprinkling irrigation sterilization is once；

J) after cuttage 20 days, raise sunshade net, timing ventilation, reduce irrigation times, keep the humidity of temperature canopy to be not less than 60%, and in water, add Water soluble fertilizer；

Populus euphratica epicormic branch cuttage technology the most according to claim 1, it is characterised in that: the base fertilizer in described step b) is biological bacterium organic fertilizer, and consumption is 1000 pounds/acre.