The expert calls " The mandarin orange maggot " Just ordinary plant pest The public needn't be panic

The expert calls " The mandarin orange maggot " Just ordinary plant pest The public needn't be panic
Recently, in market of some cities fruit of Henan, Shaanxi, Hubei and other places, present again and bring the maggot citrus, and call it " maggot's mandarin orange " ,Have attracted the attention of the social each side at one time, even strike torror at the topic of tangerine.
" maggot's mandarin orange " Really so terrible? What on earth invade the maggot worm of the citrus? Will eaten the citrus with maggot by mistake to fall ill? How science, the rational one are treated " Maggot's mandarin orange " ? Taking the doubt, Science and Technology Daily reporter has interviewed citrus researcher of research institute, Zhou ChangYong of chief of institute of the Chinese Academy of Agricultural Sciences.
What matter does one ask the maggot worm in citrus?
Zhou Chang tells reporters bravely, this kind of insect in citrus such as Shaanxi, Hubei is called the big real fly of citrus, commonly called as " mandarin orange maggot " ,Only become harmful citrus, is mainly distributed in Sichuan, Yunnan, Guizhou, Guangxi, Hunan, Hubei, Shaanxi and other places. How did the small maggot worm creep into the fruit? He says, when the fruit tree is hung the fruit, the big real fly's adult of citrus lays eggs under the peel, the ovum is hatched into a larva in the fruit, the larva looks like " The maggot " The same, destroying the pulp inside the fruit of citrus constantly, wait for larvas to wear and is always familiar with, get out of fruit and then, take pupa outside fruit, turns into the old real fly's adult of citrus, then fall to the land to cocoon and survive the winter while sewing. Such generation upon generation of is circulated.
Zhou Chang says bravely, " mandarin orange maggot " It is found that in our country is initially in 1938, were distributed in the citrus producing region sporadicly subsequently. With enlargement and frequent business activity of the cultivated area of citrus, " mandarin orange maggot " Range of activity increase, so, right away there are " mandarin orange maggots " in some district that has not take place Relevant report.
Ask " mandarin orange maggot " two times Where to come?
Whether the whole world becomes warm, such external inducements as environmental pollution, variety degradate have caused " mandarin orange maggot " Is the activity frequent? As to this, Zhou Chang is too brave to think so. He says, " mandarin orange maggot " Outbreak,be lasted greater relationed, but also break out like what people imagined, just a kind of common plant diseases and insect pests of the citrus. Information is unblocked that nothing but now, so long as there is an example " mandarin orange maggot " Appear, what news will be propagated is wide fast and. Say the inducement is mainly to rotten insect pest fruit and callus surviving the winter under the tree, have not carried on very good treatment, has caused and mainly infected the source.
Reporter know relatively kind to prevent and cure fly its still interview, so long as the measure is put in place, insect pest will not take place generally. But why " Bring the maggot citrus " Report newspaper come to light in repeatedly? The reporter knows, it is a plague of insects, is " man-made calamity " even more . Because the citrus is apter to suffer from the insect pest, this makes maintenance cost of the citrus high, maintain high to sell good price again, a lot of tangerine would not spend big strength at protection against insects while being agricultural.
Ask " mandarin orange maggot " three times Danger how large?
Zhou Chang says bravely, in respect to endangering the rank, " mandarin orange maggot " Similar to long insect in other fruits, before 2009, this kind of disease worm will belong to the market to supplement the quarantine object, after the 2009, it becomes one to be quarantine object, one can defend, controllable, plant pest that can cure.
Know, the intersection of residues of pesticides and detection of for whom tangerine to enter market make mainly generally still in reporter interviewing China. Drip reagent medicinal liquid on peel of the tangerine, see whether there is change of the color, so as to judge whether the tangerine agricultural and incomplete exceeds standard.

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