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Method for increasing survival rate of kosteletzkya pentacarpos seedlings in saline-alkali soil

A technology of seedlings and saline-alkali land, applied in the field of plant cultivation, can solve problems such as weak root absorption function, low photosynthetic capacity, and poor stem conduction function, and achieve the effects of increased survival rate, strong plants, and improved resistance and adaptability

Inactive Publication Date: 2019-03-19
JINLING INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by this invention is to provide a kind of cultivation method of seashore mallow seedlings for the deficiencies in the prior art, to overcome the weak absorption function of seashore mallow seedling roots on saline-alkali land, the poor conduction function of stems, the The problem of low photosynthetic capacity, greatly improving the survival rate of plant seedlings in saline-alkali land, and providing a reliable guarantee for the large-scale introduction and promotion of seaside mallow seedlings in saline-alkali land

Method used

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  • Method for increasing survival rate of kosteletzkya pentacarpos seedlings in saline-alkali soil
  • Method for increasing survival rate of kosteletzkya pentacarpos seedlings in saline-alkali soil
  • Method for increasing survival rate of kosteletzkya pentacarpos seedlings in saline-alkali soil

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Embodiment Construction

[0020] The present invention can be better understood from the following examples.

[0021] (1) Propagation of the test bacteria agent: the test bacteria species is Paraglomus occultum (Walker) Mortonet Redecker, number BGC BJ04B, purchased from Beijing Academy of Agriculture and Forestry Sciences. Mix according to the ratio of (peat: vermiculite: perlite = 1:1:1) to prepare a substrate for the propagation of the bacteria. After mixing the Cryptoglia species and the ryegrass seeds, they are evenly sprinkled on the substrate, and the same The substrate is 1-2cm, placed in a suitable environment (temperature is controlled at 25-30°C during the day, 15-20°C at night; humidity is controlled at 40%-60%; light intensity is controlled at 35-55μmol / s m 2 , 10-12 hours of average light per day) allowed it to grow for 45 days, cut off the above-ground part of the ryegrass, and mixed the remaining part to make an inoculum. The spore density of the inoculum was 2980 spores / 100g substrate....

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Abstract

The invention discloses a method for increasing the survival rate of kosteletzkya pentacarpos seedlings in saline-alkali soil. The method includes: well mixing a paraglomus occultum strain with ryegrass seeds, spreading to a strain propagation expanding medium, covering with the same medium of 1-2cm, growing in an appropriate environment for 40-50 days, cutting off ryegrass aboveground parts, andwell mixing the rest portion to obtain an inoculation bacterial agent; filling a breeding seedbed with a rooting medium, uniformly spreading the inoculation bacterial agent to form a thin layer 8-10cmbelow the surface of the rooting medium, positioning kosteletzkya pentacarpos seeds 5-7cm below the rooting medium, and uniformly spreading; irrigating with 1-fold attenuated nutrient solution once aweek; before transplanting, transferring kosteletzkya pentacarpos seedlings growing in the seedbed for a month into environment-friendly round seedling cups in size of 6*6cm, filling a seedbed seedling cultivation medium to a level at 1cm of each seedling cup opening, and transplanting after seedlings grow for 1 week.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, in particular to a method for improving the survival rate of seaside mallow seedlings in saline-alkali land. Background technique [0002] Seashore mallow (Kosteletzkyapentacarpos formerly known as Kostelezkya virginica) is a perennial root plant of Malvaceae Malvaceae. It is naturally distributed in the coastal salt marshes from Delaware to Texas along the eastern coast of the United States. After long-term evolution and natural selection, seaside mallow Has become a salt-tolerant plant. More than 20 years of research and development in my country have shown that seaside mallow has not only become an important salt-tolerant plant for coastal ecological construction and comprehensive agricultural development in Jiangsu and even the whole country, but also has been initially developed through industry-university-research cooperation, which shows that this species has great potential in b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/00C05G1/00C12N1/14C12R1/645
CPCA01G22/00C05B7/00C05G5/20C12N1/14C05C5/02C05C5/04C05D5/00C05D9/02
Inventor 宰学明纪易凡金凤闫娜马艳
Owner JINLING INST OF TECH
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