Method for enhancing weak light resistance of cucumbers by spraying compound bacterial manure on foliage

A technology of foliar spraying and compound bacterial fertilizer, which is applied in fertilization devices, botanical equipment and methods, organic fertilizers, etc., can solve problems affecting quality and yield, plant nutrition imbalance, melon melting, etc., and achieve low production costs , alleviating the effect of light leaf color and improving nutritional indicators

Inactive Publication Date: 2010-09-01
SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, cucumber is a relatively light-loving crop, and the light saturation point of photosynthesis is about 900 μmol m -2 the s -1 , the optical compensation point is about 50 μmol m -2 the s -1 , under the condition of low light, the nutritional imbalance of the plant body will cause flower drop and melon melting, which will seriously affect the quality and yield

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Before sowing cucumbers, dilute the bacterial agent 10 times to soak the seeds, and then dilute the compound bacterial fertilizer 500 times. From the stage of one leaf and one heart, spray the foliage once every 2 weeks, and stop spraying 4 times continuously. 500 times liquid, spray the leaves once every 2 weeks, after 4 consecutive sprays, stop spraying for one month, and then spray the leaves once every 2 weeks until the harvest is over.

Embodiment 2

[0017] Before sowing cucumbers, dilute the bacterial agent 10 times to soak the seeds, then dilute the compound bacterial fertilizer 300 times, spray the leaves once at the stage of one leaf and one heart, spray once on the leaves after planting, and spray once on the leaves at the early flowering stage, After that, spray the leaves once a month until the end of harvest.

Embodiment 3

[0019] Before sowing cucumbers, dilute the bacterial agent 10 times to soak the seeds, and then dilute the compound bacterial fertilizer 500 times. From the one-leaf-one-heart period, spray the foliage once every 2 weeks, and stop spraying 4 times until the end of harvesting. If you encounter cloudy and weak light weather and the leaves are light green, spray once every 2 days until the leaves turn dark green. Other water and fertilizer management is normal.

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Abstract

The invention discloses a method for enhancing weak light resistance of cucumbers by spraying compound bacterial manure on foliage, which relates to a method for enhancing illumination adversity resistance of crops. The bacterial strains are Chlorobium limicola SH II-4 and Rhodopseudomonas palustris SH II-5. The culture medium for preparing the microbial inoculum comprises 1.0g of (NH4)2SO4, 0.2g of MgSO4.7H2O, 3.0g of NaHCO3, 0.5g of K2HPO4 and 0.1g of NaCl; and the lighting culture is carried out for 4-5 days in the anaerobic environment to obtain the microbial inoculum of which the concentration is 1-2*108 viable bacteria/ml. The application method of the compound bacterial manure is realized by spraying the compound bacterial manure on the cucumber foliage in each growth period. The method has the characteristics of high safety, high efficiency, simple operation and low cost, effectively relieves the phenomena of weak leaf color, weak photosynthesis, retarded growth and the like caused by insufficient illumination, and obviously enhances both the yield and the quality; and the cucumbers are deep green in color.

Description

technical field [0001] The invention relates to a method for improving the ability of crops to resist light adversity, in particular to a method for spraying cucumbers with compound bacterial manure on leaves to resist weak light stress. Background technique [0002] Illumination is one of the limiting factors for crop growth. Light intensity has an impact on many important physiological processes of crops, especially photosynthesis. Insufficient light will cause the plants to be weak and leggy, which will affect the flowering and fruiting of crops, as well as the yield and quality of products. In protected cultivation, light intensity conditions are particularly important, because the light intensity entering the protected area through glass or shed film is only 40-70% of that in the open field, crop leaves cannot intercept enough light quanta, and photosynthesis is the first to be affected. Photosynthesis is limited, nutrient supply will be insufficient, and various physi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C1/00A01N63/02A01P21/00C05G3/00C05F11/08
CPCY02W30/40
Inventor 邵双郭晓雷冯婧薇
Owner SHENYANG INSTITUTE OF CHEMICAL TECHNOLOGY
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