CN103125321A

CN103125321A - Method for preventing black spot disease of bagged apples

Info

Publication number: CN103125321A
Application number: CN2013100679959A
Authority: CN
Inventors: 范崇辉; 刘玉莲; 车飞; 李丙智
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2013-02-26
Filing date: 2013-02-26
Publication date: 2013-06-05

Abstract

本发明公开了一种用于防治套袋苹果黑点病的方法，包括如下步骤：(1)套袋前喷一次8000倍杜邦福星，药后立即套袋；(2)套袋后至解袋前分别喷洒由75％易保水分散粒剂1500倍液、杜邦福星8000倍液、80％喷克800倍液组成的药剂3次。作为改进，步骤(1)中套袋用的果袋为高透气性的双层纸袋且套袋时撑开其袋底两角透气孔。本发明是根据套袋苹果黑点病病害的发生特点和当前防治的实际情况提出的，与果袋配合使用后的效果证明，本发明产品安全、长效、高效。The invention discloses a method for preventing and treating black spot disease of bagged apples, which comprises the following steps: (1) spraying 8000 times Dupont Fuxing once before bagging, and bagging immediately after the medicine; (2) bagging until unpacking Spray the medicament consisting of 75% EWD 1500 times liquid, DuPont Fuxing 8000 times liquid, and 80% spray gram 800 times liquid respectively 3 times before. As an improvement, the fruit bag used for bagging in step (1) is a highly air-permeable double-layer paper bag and the two corners of air holes at the bottom of the bag are stretched when bagging. The present invention is proposed according to the occurrence characteristics of the black spot disease of bagged apples and the actual situation of current prevention and treatment. The effect after being used in conjunction with the fruit bag proves that the product of the present invention is safe, long-lasting and efficient.

Description

A kind of method be used to preventing and treating the Apple with Fruit-bagged Treatment diplostomiasis

Technical field

The present invention relates to a kind of Apple Bags cultivation method, particularly a kind of method be used to preventing and treating the Apple with Fruit-bagged Treatment diplostomiasis.

Background technology

Since the nineties in 20th century, the fruit bagging technology is widely used in China's apple producing region, and has obtained good society, economy and ecological benefits.Bagging can not only be promoted fruit color, improves fruit face fineness and exterior quality, and can reduce sick worm infringement and persticide residue, has become an important technique measure of producing green fruit at present.But after Apple Bags, due to the change of the ecological factors such as illumination, temperature and humidity, diplostomiasis often occurs in fruit surface.Investigation is found, no matter is the double-deck paper bag of cover or single-layer paper bag, and diseased fruit rate is generally 3～60%.Fall ill the serious time, scab is large and many, has a strong impact on the exterior quality of fruit, brings huge economic loss to the orchard worker.Therefore, the Apple with Fruit-bagged Treatment diplostomiasis is to need the major issue that solves on producing.

Because bagging technique is shorter in China's the major apple production area popularization time, diplostomiasis occurrence regularity and the method for preventing and treating are still not clear.Although, Chinese patent CN CN200710017247.4 discloses a kind of medicament of preventing and treating the bag fruit fruit disease, and this medicament is comprised of raw material toluene-sodium-sulfonchloramide 50%～80%, diatomite 11%～25%, stearic acid 3%～8%, shellac 5%～13%, hydroxypropyl methylcellulose 1%～4%.This invention also discloses the preparation method of medicament, and it is that above-mentioned formula is prepared into three kinds of different particles according to different ratios, makes it discharge germicide in the different time periods, to reach the purpose of long-time diseases prevention.This medicament is the occurrence characteristic according to the bagging fruit disease, changes traditional application method, has not only reduced drug cost, and has improved preventive effect, has increased harvest yield, has improved commodity rate, has reduced environmental pollution, has reached the purpose of doulbe-sides' victory.But this technical scheme effect in the control that is applied to concrete apple fruit black spot is unsatisfactory.

Summary of the invention

The technical problem to be solved in the present invention is to overcome the existing deficiency of prior art, and a kind of method be used to preventing and treating the Apple with Fruit-bagged Treatment diplostomiasis is provided, and occurs to greatly reduce the Apple with Fruit-bagged Treatment diplostomiasis.

The present invention realizes that the technical scheme that the foregoing invention purpose is taked is: a kind of method be used to preventing and treating the Apple with Fruit-bagged Treatment diplostomiasis comprises the steps: 8000 times of Du Pont's lucky stars of spray before (1) bagging, bagging immediately after medicine; (2) spray to separating to spray respectively before bag by 1500 times of liquid of 75% easy water conservation dispersible granule, 8000 times of liquid of Du Pont's lucky star, 80% medicament 3 times that 800 times of liquid of gram form after bagging.

As improvement, the fruit bag that bagging is used in described step (1) struts two jiaos of air-vents at the bottom of its bag when being the double-ply bag of highly-breathable and bagging.

Through a large number of experiments show that, serious area or orchard occur in diplostomiasis, easily treasured, lucky star, the combination of spray gram have control efficiency preferably to diplostomiasis, its incidence of disease is 31.95%, average disease index is 7.72%, control efficiency is 80.17%, the control efficiency of large give birth to M-45, first holder, making every effort to overcome well combination is relatively poor, the diplostomiasis incidence of disease is 41.5%, disease index is 19.16%, on average preventive effect is 57.78%, the incidence of disease and disease index than lucky star, easily precious, spray gram combination is high 9.55% and 11.44%, preventive effect is low 22.39/%.The present invention proposes according to the actual conditions of the occurrence characteristic of Apple with Fruit-bagged Treatment diplostomiasis disease and current control, and the effect after being used in conjunction with the fruit bag proves, product safety of the present invention, long-acting, efficient.

Embodiment

The present invention is further described below in conjunction with embodiment.

Embodiment: June 10 was that bagging sprays 8000 times of liquid of lucky star the previous day, overlapped the central Shanxi plain double-ply bag, July 10, August 20 after bagging, September 15, bu sprayed medicine by following combination three times, and individual plant is a residential quarter, repeats 4 times, not spray medicine as contrast, carry out disease survey after plucking bag.

1500 times of liquid of the easy water conservation dispersible granule of A75%, 8000 times of liquid of lucky star, 800 times of liquid of domestic 80% spray gram

800 times of liquid of B alkene azoles alcohol MnZn, 80% new ten thousand are given birth to 600 times of liquid, the high 1500 times of liquid of generation

600 times of liquid of the large living M-45 medicament of C, 800 times of liquid of 70% thiophanate methyl, make every effort to overcome 5000 times of liquid well

Through the experiment contrast, the data obtained is as follows:

1. spray medicine before bagging to the pathogenetic impact of stain

Agricultural chemicals	Investigation fruit number (individual)	The incidence of disease (%)	Disease index	Average preventive effect (%)
					Lucky star	200	40.00e	13.33e	70.63a
The spray gram	200	57.35c	19.12d	57.87b
					The first holder	200	52.38d	23.81c	47.53c
Alkene azoles alcohol MnZn	200	65.61b	24.35c	46.34c
					Generation is high	200	68.89a	27.46b	39.49d
Make every effort to overcome well	200	69.42a	29.02b	36.05e
					Xin Wansheng	200	64.01b	29.33b	35.57e
Easily precious	200	57.14c	29.52b	34.95e
					Contrast	200	69.92a	38..73a	-

Experiment shows, lucky star has control efficiency preferably, and the diplostomiasis incidence of disease is 40%, and disease index and preventive effect are respectively 13.33% and 70.63%; Prevent and treat weak effect after other 7 kinds of agricultural chemicals sprayings, the diplostomiasis incidence of disease is 52.38%～69.42%, and disease index and preventive effect are respectively 19.12%～29.52% and 34.95%～57.87%.This shows selects extremely important for the control medicament of diplostomiasis.

2. the impact of different medicament combinations on diplostomiasis

The medicament combination	The incidence of disease (%)	Average disease refers to (%)	Average preventive effect (%)
				Easy treasured, lucky star, spray gram	31.95c	7.72c	80.17a
Alkene azoles alcohol MnZn, Xin Wansheng, generation are high	37.70b	11.73b	74.15b
				Give birth to greatly M-45, first holder, make every effort to overcome well	41.50a	19.16a	57.78c
Contrast	69.92a	38.73a	-

Can find out, easily treasured, lucky star, the combination of spray gram have control efficiency preferably to diplostomiasis, its incidence of disease is 31.95%, average disease index is 7.72%, control efficiency is 80.17%, the control efficiency of large give birth to M-45, first holder, making every effort to overcome well combination is relatively poor, and the diplostomiasis incidence of disease is 41.5%, and disease index is 19.16%, average preventive effect is 57.78%, the incidence of disease and disease index than lucky star, easily precious, spray gram combination is high 9.55% and 11.44%, preventive effect is low 22.39/%.The control of this explanation diplostomiasis not only will select effective agricultural chemicals, and it is better reasonably to be used in combination effect.

The present invention is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done are within all dropping on protection scope of the present invention.

Claims

1. a method for preventing and treating bagging apple black spot, is characterized in that, comprises the steps: (1) spray once 8000 times of Dupont Fuxing before bagging, bagging immediately after medicine; (2) after bagging, to Before unpacking, spray the medicament consisting of 1500 times liquid of 75% easy water-retaining dispersible granules, 8000 times liquid of DuPont Fuxing, and 800 times liquid of 80% spray gram respectively for 3 times.

2. a kind of method for preventing and treating black spot disease of bagging apple according to claim 1, is characterized in that, the fruit bag that bagging is used in the step (1) is the double-deck paper bag of high air permeability and when bagging Stretch the air vents at the bottom two corners of the bag.