Late-maturing citrus fruit storage and fresh-keeping method combined with pre-harvest treatment

Abstract

The invention discloses a late-maturing citrus fruit storage and fresh-keeping method combined with pre-harvest treatment. The method comprises the following steps of spraying a compound solution of a bactericide and a plant growth regulator on fruit surfaces of fruits hung on trees 3-5 weeks before the late-maturing citrus fruits are picked, and specifically, spraying a mixed solution of prochloraz and 2, 4-D on the fruit surfaces of late-maturing blood orange oranges before harvesting, spraying a bromothalonil, 2, 4-D and naphthylacetic acid compound solution on fruit surfaces of late-maturing miscellaneous oranges before harvesting, and spraying a compound solution of prochloraz, 2, 4-D and GA3 on fruit surfaces of late-maturing navel oranges before harvesting. According to the method, a bactericide and a growth regulator are creatively selected to be compounded to carry out pre-harvest treatment on the fruits before the citrus fruits are picked, that is, a certain dosage of compound liquid is sprayed on the fruit surfaces before the citrus fruits are picked, so that the disease resistance of the fruits is improved, the storage and fresh-keeping effects are improved, and dry water can also be prevented; and preharvest treatment pesticide application can greatly reduce post-harvest soaking pesticide application and is more environment-friendly.

Description

technical field [0001] The invention belongs to the technical field of fruit storage and preservation, and relates to the storage and preservation technology of citrus fruits, in particular to a storage and preservation method for late-maturing citrus fruits combined with preharvest treatment. Background technique [0002] China has a long history of citrus cultivation, the most abundant citrus resources, and the cultivation area also ranks first in the world. The economically cultivated varieties mainly include citrus, tangerine, orange, pomelo, lemon and other types such as trifoliate orange, kumquat and citron. Abundant resources and diverse climates have created a variety of citrus varieties in China. The fruit maturity period covers August to June of the following year. According to time, it can be roughly divided into early, middle and late-maturing varieties. Generally, those that bloom and bear fruit in one year and mature in the next year are late-maturing citrus. ...

AI Technical Summary

Problems solved by technology

At present, 2,4-D is still used as a post-harvest treatment agent for fruits. The phenomenon of abuse (inferior quality, insufficient purity) and illegal use of 2,4-D (exceeding the standard, more than 250ppm) is common, which is harmful to the environment and human body. , it is necessary to find a low-toxicity and high-efficiency treatment method

Images