Weevil a kan strawberry. hanyoyin da za a magance

Rasberi-strawberry weevil - wani hatsari kwaro. Wannan kananan irin ƙwaro (3 mm) da launin toka-black iyali weevils. Ya hibernates karkashin lumps na kasar gona da amfanin gona. A spring, tare da jin wuta to 10 digiri centigrade, beetles falke da kuma zo da surface. Mace fara sa qwai a cikin buds na strawberries, daga baya za su shiga cikin buds rasberi. Daya mace zai iya lalata har zuwa 50 buds, da barin kowane daya kwai.

Weevil a kan strawberry bar punctures, wanda su ne kawai ake iya gani a karkashin kusa dubawa. Mangled samfurori droop, ƙeƙashe. Tun da mace gnaw da peduncle, suka fāɗi ƙasa.

Daga qwai zo larvae (fari larvae), wanda pupate, bada wani sabon zamani. Barin matasa weevils a strawberries ci berries kuma kore ganyen angaren litattafan almara, ɓarna ne su, sa'an nan ya koma zuwa ga raspberries. Ya ci su ciyar da hunturu a cikin ƙasa.

Lambu fuskanci wannan kwaro, mamaki game da yadda za a yaki da kuma yadda za a rike da strawberries daga weevil.

Farkon spring gadaje da strawberry zama dole don zuba ruwan zafi (ruwa zazzabi ya kamata game da 60 digiri). A budding lokaci (daya mako kafin flowering) strawberries da raspberries za a iya bi da wani bayani da sabulu (a 10 lita na ruwa da aka narkar da 200 g sabulu) ko mustard bayani (10 lita na ruwa dauki 200 g na mustard). Lalace buds ya kamata a tattara, da kuma kone su. A farkon watan Mayu, za ka iya amfani da wadannan biologics, "Spark", "Fitoverm", "Akarin", "Iskra-Bio". Wadannan jamiái suna tunawa ganye for 3 hours kariya yana game makonni uku.

Idan weevil a strawberries ƙwarai yawaita, bayan girbi site ne mafi kyau ga rike magani mafita ( "Corsair", "aktellik", "Malathion", "Vofatoks", "kwanto", "Gordon", "metaphos", da dai sauransu) . A sunadarai magani ne zai fi dacewa da za'ayi a cikin safe don rage cutar da lalacewa ta hanyar m ƙasa beetles, wanda kashe kwari (1 irin ƙwaro da rana jan 20 weevils).

Yana da muhimmanci a kiyaye da dokokin aikin gona da fasaha, ba shuka strawberries gaba da raspberries, kamar yadda shi facilitates irin ƙwaro hijirarsa tsari daga daya shuka zuwa wani. Amfanin gona juyawa da kuma digging kasar gona karkashin bushes a cikin fall zai rage yawan kwaro.

Abokan adawar na amfani da sinadarai a cikin lambu na iya bayar da shawarar wani hanyar warware wannan matsala. Weevil a strawberries za a iya halakar da wani amintacce, abũbuwan rãyuwã. Don yin shi da wani uku-lita kwalban cika wata uku albasa kwasfa da celandine ciyawa a cikin wani rabo na 2: 1 sa'an nan zuba tafasasshen ruwa. Bayan sanyaya sakamakon bayani da kuma lambatu cikin SPRAY. Farko - a blooming furanni farko, na biyu - makonni biyu. Wannan zai zama isa. Ya kamata a lura da cewa yana nufin yana aiki kusan da dukkan kwari, kuma ba ya fitar da ga ƙudan zuma, don haka shi ba zai rinjayi pollination spraying. Haka kuma, shi ma ne rigakafin fungal cututtuka, kamar botrytis.

Da yaki da weevil a strawberries iya ba za a za'ayi, kamar yadda nauyi lalacewar amfanin gona da wannan kwaro ba sa, saboda wani abu ya zauna da kuma ga zuriyarsa.