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Application of rhamnolipid to alleviation of plant salt stress

A technology of rhamnolipid and plant salt, applied in the directions of botanical equipment and methods, applications, plant growth regulators, etc., can solve problems such as unreported

Active Publication Date: 2018-03-13
北京中农五梁红肥业有限公司
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  • Claims
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Problems solved by technology

However, its role in relieving plant salt stress has not been reported so far.

Method used

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  • Application of rhamnolipid to alleviation of plant salt stress
  • Application of rhamnolipid to alleviation of plant salt stress
  • Application of rhamnolipid to alleviation of plant salt stress

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Embodiment

[0019] EXAMPLES With Zoysia ditch and Zoysia sinensis as materials, the turf pieces (12.00cm in diameter) of two kinds of Zoysia are planted in impermeable flowerpots (14.00cm high, 13.00cm in diameter at the mouth of the pot). ), and each planted 6 pots, of which 3 pots were used as salt treatment and 3 pots were used as contrast. The substrate for salt stress treatment is the original soil from the tidal flat in Yancheng. After mixing, the salt concentration (conductivity) is kept at about 0.5%. The cultivation substrate is put into the cultivation pot, compacted, and the turf blocks are planted on the cultivation substrate. Above, the control was grown in saline-free loam. They were cultured at room temperature (cultivation temperature 20±5° C.), and watered with 600 mL of water every week. After the cultivation, the materials of each pot were trimmed so that the distance from the mouth of the pot was 2.00 cm, and the leaves were taken at 4d, 8d, 12d, 16d and 20d after the...

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Abstract

The invention explores the effect of rhamnolipid on the alleviation of zoysia japonica salt stress through studying the change in the relative growth rate, the relative moisture content, the relativeconductivity and the malondialdehyde (MDA) content of zoysia japonica in the salt stress process and after the use of the rhamnolipid and discovers that the rhamnolipid can obviously improve the relative moisture content and the relative growth rate of the zoysia japonica in the salt stress process and reduce the relative conductivity and the malondialdehyde (MDA) content of the zoysia japonica, so that the harms of the salt stress to the zoysia japonica are relieved, therefore, a new method is provided for the alleviation of the salt stress of the zoysia japonica in saline-alkali soil; the optimal concentration of a rhamnolipid solution is 0.5 g / L.

Description

technical field [0001] The present invention relates to a new application of rhamnolipid, specifically, the application in alleviating the salt stress of zoysia weed. Background technique [0002] Zoysia often grows in warm and humid coastal areas and has strict requirements on light, but it has certain shade tolerance, drought resistance, salt and alkali resistance, and strong resistance to diseases and insect pests. It is often used for ornamental lawns, sports lawns and slope protection lawns. Zoysia, like other plants, grows in an open environment and is often affected by adverse environments. Harsh environments such as high temperature, low temperature, salinity and drought will inhibit the growth of Zoysia and reduce the quality of the lawn. [0003] The saline-alkali land area in the world is about 9.6×10 8 hm 2 , while our country has saline land 3.47×10 7 hm 2 , equivalent to 1 / 3 of the cultivated land area. Too much salt in the soil will inhibit plant growth, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/16A01N25/30A01P21/00
CPCA01N25/30A01N43/16
Inventor 胡化广张振铭张祥胜
Owner 北京中农五梁红肥业有限公司
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