Common saying says " delicious tree plants cherry hard " . Cherry not only the exterior is beautiful and provoking love, nutrient value also is the person above average in the fruit. whole, the nutrient value of cherry wants the apple with general prep above, pear, peach, apricot to wait
The big vitaminic C in cherry can intelligent beauty skins in vain, useful keep out black pigment form. The fruit acid that contains in cherry still can improve the grease of skin to secrete, drive alvine path to digest, still contain a lot ofcandy, protein, vitamin and calcium, iron, phosphor, Potassium to wait for a variety of advantageous to skin elements. Eat cherry more in spring, can make skin coruscate white li of rubicund burnish, compensation skins place requires moisture.
However, in cherry in cultivating a process, appear via often can going out a lot of plant diseases and insect pests. Scarab is a kind of very common in cherry garden insect pest. Endanger the tortoise subclass pest of cherry commonly, basically have verdigris chafer, Ping wool chafer and chafer of black fine hair, this kind of pest can gnaw bud of the peach blossom that feed cherry, flower implement, burgeon, germinal, some still can imperil root system, below small make up pest of subclass of tortoise of will detailed introduction to reach method of prevention and cure to characteristics of the harm of cherry, life, consult for friends of broad fruit grower.
1.Ping wool chafer
Imaginal, body length makes an appointment with 10 millimeter, wide 5 millimeter. Elytrum dark brown, translucent, luster, those who even if the row embarks on a journey,have is quarter bits pettier. Egg, ivory, elliptic, the surface is slick. Larval, 15 millimeter control old ripe larval body length. The head is cinnamon, bosom, abdomen is ivory. Aurelian, naked aurelian, initial stage is white, hind gradual change ecru.
2.Chafer of black fine hair
Millimeter of 7-8 of imaginal body length, wide 4-5 millimeter; Show egg circle slightly; Rear apophysis, all black brown or Hei Zi are lubricious, close by gray or black purple short nap, luster: Prothorax backboard is quarter bits more densely covered. Egg grows about 1 millimeter, elliptic, ivory, brown changes before hatch. Larva is old ripe when millimeter of body length 16-20; The head is cinnamon, dong ministry is ivory; Body bends, corrupt white, collectivity has cinnamon bristle. Millimeter of aurelian long 6-9, naked aurelian, yellow white is first, it is after cinnamon, the head is black Brown: Celiac end has buttock thorn 1 pair.
3.Verdigris chafer
Imaginal body length 19 millimeter - 21 millimeter, wide 9~10 millimeter, body and elytrum all show verdigris scene, have metallic burnish. Two side are prothorax backboard yellow. Elytrum has chestnut glance, even if grain is protuberant,have 3. Egg is elliptic, ivory. Larval body length 40 millimeter, the head is cinnamon, body is ivory, the body bends show " C " form. Aurelian for naked aurelian, ecru.
One, produce the law
Imago takes the lamina that feeds cherry, tender bud, fruit in great quantities, affect the way corp is growing of the fruiter and crop badly. Average that day temperature was in the last ten-day of a month in March when 9~10 ℃ , begin to come up out of land, on April, the middle ten days of a month is filled to come up out of land period. Teeming be when killing more serious, often come in the dusk in the evening 10 when bite feed most fill.
1.Ping wool chafer basically is kill sweet cherry bud and flower implement, take by day feed, dusk be buried or hide in shady place, have play dead sex, without phototaxis, imago entered homebred egg in May, in August pupate, will begin emergence imago in September, imago does not come up out of land in those days, in aurelian indoor live through the winter.
2.Chafer of black fine hair basically is taken feed sweet cherry is germinal with tender leaf, be opposite especially sweet young tree endangers cherry serious. Copulate of imaginal much dusk, take feed, conceal earth is medium by day, have play dead sex and phototaxis, will lay eggs in June, , 8~9 month does earthy room pupate, aurelian period 10 days.
3.Verdigris chafer basically is in 78 month to kill the lamina of big cherry. To cherry especially young tree is kill very heavy, lamina of be murdered tree is misshapen not complete, leave Xie Bing only even, by snap, dispose of, in April the bottom makes earthy room pupate at the beginning of May, imago appears at the beginning of June, the middle ten days of a month on October begins live through the winter.
2, the happening of tortoise subclass pest time
Scarab is a lot of more phyletic, 1~3 year the generation that finish, imaginal, larva is inside soil live through the winter. The activity begins when air temperature rises to 17 ℃ above and undertake endangering, the harm when 22 ℃ above is the most serious. Imago is in the middle ten days of a month came in April the middle ten days of a month will be harm fastigium in June, can continue to the end of September, earth of conceal Yu Song, brushwood is medium by day or the leaf is rear, in the evening 7 when the left and right sides flies off undertake endangering. The density of mouth of bug of virgin soil orchard of new open up is big, imago has phototaxis and play dead sex. Ping wool chafer and Oriental chafer, basically gnaw the burgeon that feeds big cherry, bud, young leaf, bud and flower in florescence with imago. Larva of Ping wool chafer takes the radicle of the body that feed a tree. Into often kill period about 1 week or so, bud comes fill florescence fall victim the heaviest. Serious when, affect a tree to body grows normally and blossom and bear fruit. Verdigris chafer basically is the lamina that kills big cherry.
3, the harm of tortoise subclass pest to cherry symptom
Tortoise subclass pest is on April, the middle ten days of a month is filled to come up out of land period, concentration endangers cherry bud and tender bud, when air temperature is low, endanger by day, when air temperature is high, the dusk or nightly harm, to cherry blossom sit to grow with young tree if really cause very big menace. In 6 ～ the harm that July is tortoise subclass pest is filled period, guzzle lamina, appetite is big, to kill intense, if happen to spend cherry badly constantly implement or tender leaf dispose of, affect the crop of cherry and tree situation. Especially verdigris chafer, bite with imago feed fruiter lamina, serious when but blade dispose of, only remnant nervation and Xie Bing, be opposite especially young age the harm that the fruiter causes is greater. In 8 ～ September, tortoise subclass pest is met again fructification of teeming harm cherry, be murdered fructification loses edible or commodity value completely.
4, the measure of prevention and cure of pest of subclass of the tortoise on cherry
1.Catch artificially kill
Hair period is filled in scarab, at everyday after dusk, take the advantage of imago hands in end in the tree or pedestrian labour or net are entered to catch when close ground flies, use sex of its play dead at the same time, when imago perchs to go up in cherry in great quantities, with plastic paper, banquet piece wait for content to carry on, down is caught kill, concentration is ironed dead with boiled water.
2.Trap and kill of black light lamp
Use imaginal phototaxis, imago period uses frequency brace up type reduces bug lamp or lure to destruction of black light lamp. Black light lamp is general every lamp is controallable 1.33~2hm2.
3.Poisonous indigenous method
Every mus of orchard uses DDVP 0.3kg or furan red 0.225kg, change water to mix earthy dung is scattered below crown of a tree equably, combinative intertill weeds in turning over be buried, poison imago and larva.
4.Make up information element ensnare
Wait to be made up according to certain proportion with liquor, brown sugar, vinegar, dipterex, water, had installed the sweet-and-sour fluid that has made up with container, hang on cherry, container had better do special processing, upper part presents funnel model, once scarab smells flavour getting goes in to go out not to come.
5.Use natural enemy prophylaxis and treatment
alleged everything has its vanquisher, although scarab compares difficult prevention and cure, but it also has natural enemy, if cuckoo, magpie, frog, lizard is the natural enemy of scarab. If cherry is not to hanging fruit period, contrast good operation to putting the category of natural enemy, if there still is cherry on the tree, put avian suit not quite, hurt cherry easily.
6.Imago of trap and kill
Appear in imago fill period, but at calm afternoon 3 when the left and right sides, use those who grow about 60 centimeters poplar, branch of Yu, willow dips in on 8% dipterex 100 times fluid (had better dip in tree branch dip to take be sent on a diplomatic mission to use after hour of the 2~3 inside medical fluid) , place in a certain position dispersedly next li of trap and kill is imaginal, can get favorable result.
7.Drug is used on the tree
The bud in cherry period, can apply cloth to join cyanogen painstakingly to its gush 1000 ～ 1500 times fluid, basically be to use Ping of prevention and cure so wool chafer and Oriental chafer; Be in next 78 month when, reoccupy Mo Bilang 2000 ～ 3000 times fluid, or breast of ester of chrysanthemum of 20% armour cyanogen is oily 1000 ～ 1500 times fluid, this method basically is to use chafer of verdigris of prevention and cure.
