Pear fruit calyx-eliminating flower-thinning disease-preventing agent as well as application method and application thereof

A disease-preventing agent and pear fruit technology, applied in the field of pear tree fruit decalyx flower thinning agent, can solve the problems of reducing the quality of pear fruit, achieve the effects of reducing fruit setting, preventing ring spot, and not inhibiting tree growth

Inactive Publication Date: 2014-06-04
ANHUI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art, to provide a pear fruit calyx-thinning and disease-preventing agent and its

Method used

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  • Pear fruit calyx-eliminating flower-thinning disease-preventing agent as well as application method and application thereof
  • Pear fruit calyx-eliminating flower-thinning disease-preventing agent as well as application method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] In this example, first dissolve 15 mg of flusilazole crystals in 1 L of clear water to obtain a flusilazole solution, then dissolve 45 mg of 6-benzylpurine crystals in 10 ml of ethanol, and then pour them into the above flusilazole solution. That is, the pear fruit decalyx flower thinning and disease prevention agent containing 15 mg / L of flusilazole crystals and 45 mg / L of 6-benzylpurine crystals was prepared.

[0021] Spray the above-mentioned decalyx-thinning and disease-preventing agent on the canopy of the 30-50-year-old 'Dangshansu pear' at the initial flowering stage. The amount of spraying is 100 kg per mu of pear trees. At the same time, a clear water control group is set.

[0022] The sepal shedding rate of the treated 'Dangshansuli' fruit was counted, and the results showed that the calyx-losing fruit of 'Dangshansuli' accounted for 86% of the total number of fruits.

[0023] The pear fruit decalyx flower thinning agent has a certain effect on the prevention ...

Embodiment 2

[0025] In this example, first dissolve 25 mg of flusilazole crystals in 1 L of clear water to obtain a flusilazole solution, then dissolve 55 mg of 6-benzylpurine crystals in 20 ml of ethanol, and pour them into the above flusilazole solution. That is, the pear fruit decalyx flower thinning agent containing 25 mg / L flusilazole crystals and 55 mg / L 6-benzylpurine crystals was prepared.

[0026] Spray the above-mentioned decalyx-thinning flower-thinning disease-prevention agent on the crown of the 30-50-year-old 'Dangshan Suli' in the early flowering stage, and the consumption of spraying is 80kg per mu of pear trees.

[0027] The sepal shedding rate of the treated 'Dangshansuli' fruit was counted, and the results showed that the calyx-losing fruit of 'Dangshansuli' accounted for 90% of the whole fruit; compared with the clean water control, it prevented pear tree "ring spot" , "Rot Disease", "Scab" and "Anthracnose" were increased by 80%, 65%, 82% and 73% respectively.

Embodiment 3

[0029] In this example, first dissolve 20 mg of flusilazole crystals in 1 L of clear water to obtain a flusilazole solution, then dissolve 50 mg of 6-benzylpurine crystals in 15 ml of ethanol, and then pour them into the above flusilazole solution. That is, the pear fruit decalyx flower thinning and disease prevention agent containing 20 mg / L flusilazole crystals and 50 mg / L 6-benzylpurine crystals was prepared.

[0030] Spray the above-mentioned calyx-thinning and disease-preventing agent on the canopy of the 30-50-year-old 'Dangshansu pear' at the initial flowering stage. The amount of spraying is 90 kg per mu of pear trees. The sepal shedding rate, fruit setting rate and fruit quality were counted, and the results are shown in Table 1 below;

[0031] In addition, 20mg / L flusilazole (Fls), 15mg / L paclobutrazol (Pac), 90mg / L gibberellic acid (GA3), 70mg / L Naphthaleneacetic acid (NAA) and 50mg / L 6-benzylpurine (BA) were treated individually and partially in combination, and c...

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Abstract

The invention discloses a pear fruit calyx-eliminating flower-thinning disease-preventing agent as well as an application method and application of the pear fruit calyx-eliminating flower-thinning disease-preventing agent. The calyx-eliminating flower-thinning disease-preventing agent comprises the following components: 15-25mg/L flusilazole and 45-55mg/L 6-benzyl purine. Compared with the prior art, the calyx-eliminating flower-thinning disease-preventing agent can not degrade the fruit quality and inhibit tree growth on the basis that the calyx-eliminating rate of pear fruits is improved, and meanwhile as the flusilazole has the function of fungus control, the calyx-eliminating flower-thinning disease-preventing agent further has the functions of preventing pear tree ring spot, rot, scab and anthracnose.

Description

technical field [0001] The present invention relates to a pear fruit calyx-removing flower thinning agent, in particular to a pear fruit calyx-removing flower thinning agent and its use method and application. Background technique [0002] The calyx is composed of several sepals and belongs to the outermost round of the flower. It is generally leaf-shaped and green, and has a protective effect on the flower organ before flowering. In some varieties of Pyrus plants, after flowering and fruiting, some of the fruit sepals fall off, which is called decalyx fruit; some fruits have sepals that remain on the fruit until they mature, called persistent calyx fruit. In fact, the same plant of pear tree, even the fruit on the same inflorescence has both persistent calyx fruit and decalyx fruit. The calyx-detached fruit generally has a regular fruit shape, smooth fruit surface, few stone cells, small core, and good flavor, and is very popular with consumers; the persistent calyx fruit ...

Claims

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Application Information

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IPC IPC(8): A01N55/10A01P3/00A01P21/00A01G13/00A01G7/06A01N43/90
Inventor 朱立武贾兵衡伟叶振风刘莉刘普
Owner ANHUI AGRICULTURAL UNIVERSITY
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