The Use of Formic Acid

发布时间:2011-09-24 13:27    文章来源:湖北天马养蜂场    浏览量:1725 次    【字体大小:正常 偏大 最大

ThisisfromaworkmadebyIngemarFriesin1989.

Sixty-fourhoneybeecoloniesinfectedvithVarroainsixdifferentapiarieswereexposedtosevendifferenttreatmentsinaccordancewiththetable.

The Use of Formic Acid

IMP=IllertisserMilbenplattencontaining14,2gwaterfreeFA.20g,30g,=dosageoffreeFAappliedonfibrematerialinan85%watersolution.Intervalsindays,andnumberoftreatments.

Treatment

Numberofcolonies

Agent

Dose,grams

Intervalandnumberoftreatment

Placeofapplication

Distanceformcombs,mm

A

20

IMP

56,8

1×4

Undercombs

70

B

9

IMP

56,8

4×4

Undercombs

70

C

7

IMP

56,8

1×4

Abovecombs

10

D

10

IMP

42,6

1×3

Undercombs

10

E

5

20ml

81,3

1×4

Undercombs

70

F

5

30ml

121,9

1×4

Undercombs

70

G

8

20ml

81,3

1×4

Undercombs

10

Thecoloniesweretreated,withbroodpresent,earlyinthemorninginlateAugustwithtempsvaryingfrom+14to+18C.Theresultsfromtreatmentwereestimatedbycountingthemitedownfallwithin12daysaftertreatment.12dayswereusedsincesealedbroodwillhatchwithinthatperoidandtheeffectofFAonmitesinsidethebroodcellswillbeincluded.InlateOctober,inbroodlesscondition,allcoloniesweretreatedwithPerizinandthemitedownfallcounted.Thetotalmitepopulationwasestimatedaftera95%efficiencyofPerizintreatment.

Treatment

DownfallFA

DownfallPerizin

Effect%

A

965.8±201,7

463.6±130.3

63.9±6.1

B

596.9±111.3

421.2±125.6

61.4±6.9

C

2149.1±440.9

217.9±57.7

90.2±3.0

D

392.8±43.3

22.4±4.7

94.5±1.0

E

364.2±190.6

43.2±21.1

84.7±5.6

F

1098.0±592.0

11.0±4.1

96.6±1.6

G

2028.4±491.0

64.1±17.4

96.3±1.1

TreatmentAandBdidnotdiffersignificantly,butbothwerelesseffectivethanallothertreatments.Nosignificantdifferenceswereseenbetweentreatingfromabove(C)orfrombelow(D),orbetweentreatingcolonieseveryday(A)oreveryfourthday(B)usingthesamedosesanddistanceinbothcomparisons.更多养蜂技术和蜂产品知识请关注湖北天马养蜂场官方微信公众号:"honeymarket",或者加QQ号2969169050,欢迎投稿和交流讨论蜜蜂文化。

Asimpleanalysisshowsthatboththedosesandthedistanceofapplicationfromthecombssignificantlyinfluencedtheresults.

Possibleeffectsfromtreatmentonqueenlosseswerestudiedin91separatecoloniesthatwereonalongtimeexperimentwithFA.Inthe91colonieswherethepresenceofthequeenwasinvestigatedafter4treatmentswithIMP,5colonieshadlosttheirqueen(5,5%),probablyduetothetreatment.

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