Kết quả khảo nghiệm hiệu lực của 3 loại thuốc bảo quản đối với hà hại gỗ tàu thuyền đi biển

Nghien cOu - Trao doi

Ket qua khao nghiem hieu life

ciia 3 loai thuoc had ^uari doi vdfi

ha hai gd tau thuyen di bien

o BUIVANAI, VUVANTHU

Sd mdn Nghiin cdu Bio quin LAm sin

Vi$n Nghiin cdu Cdng nghi$p rdng

Q

ua kit qua thd hiQU Idc

cOa thudc ddi vdi ha,

chung tdi nhin thay

ring sau khoang thdi gian li 12

thing bg mau tam thuoc CHg d 3

cap nong dg thuoc deu to ra kha

ning phdng ngda vi ngin ch$n

sd tin cdng cua tii vio miu go

cao hon so vdi 2 loa* thuoc XM5A

vi XM5B. Kit qua thd hiQu li/c

cua thuoc CHg d nong dd 5%

tuang dddng vdi thudc XM5A vi

XM5B tam d nong dg 15%.

ASSA Y RESUL TS about the

EFFECT OF three preservative

drugs FOR two WOOD types

against shipworm for boat

From ffie results of testing effects

of ffie drug against shipwonn, Hshows

ttiat after a petiod of 12 months, the

sanpes whk:h immersed wth CHg

preservaSve drug at 3 levels are ex￾pressed ability to prevent and sk)p the

at^ck of shipwomTs on wood sam￾ples. And Uiat result is better than 2

drugs XM^ and XM^A. The resute

also shovif thcA CHg at concentratkxi

of 5% /jas equd performance to

XM^ and XM^ drug soaked m 15%

concentratkxi.

DAT VAN DE

Dl bgo vg go chfing Igi Ha hgi

g6 Teredo mami va Bankia saulii,

trong cac cfing trinh nghifin cUu

gin day d l chfing ha biln 6 nudc

ngoai cung nhu trong nUdc da sCf

dyng cac hfin hdp cfi gfic dfing:

nhu XM5A, XM5B, LN3, CHg, Cel￾cure, (CUSO4 + NaOH). Thanh

phin hoa hgc cua cac thufi'c trgn

khfing khgc nhau nhilu nhUng t^

|g giijfa chimg cd thay dfii cho phu

hdp vdi hogn cgnh sD dyng nfin (

va) higu lyc cung co sy {dgt dUdc

nhC/ng) thay dfii dang kl.

VAT LIEU NGHIEN CLfU

V^t tifiu nghign cUu gfim:

G 6 bgch dan trlng Eucalyp￾tus camaldulensis Deh, thufic bSo

qugn XM5A, XM5B, CHg

Dfii tU0ng khgo sgt.

Hg hgi gfi Teredo mami vg

Bankia saulii

PhUdng phgp nghien CLTU

Hidu Idc cua 3 lo^i thudc bio

quin dii vdi Hi hai g6

Quv trinh thg mSu tim thufic.

Phgn Ifi thf nghigm theo

chOng logi thufi'c bao qugn vg

nfing dp, trong dfi cfi miu dfii

chUng (miu khfing tim thufic).

cac bfi miu thii hifiu lyc lufin

dam bao nggp trong mfii trUdng

nudc biln.

Sfi lUdng m^u mfii cfing thUc

thufic: 8 miu tim thufic, 2 mlu

dfii chUng.

Chu ky quan sgt, dgnh gia.

liy sfi lifiu 2 thgng mfit lin.

Dja dilm thg miu: Vung biln

Cgt Bg thufic t?nh Hgi Phfing.

Cach dgnh gia sau mdi lin

quan sat.

Sau khi treo X\\h miu gd

bgch dgn trlng da tim 03 logi

thufic bgo quSn trong mfii

trudng nUdc biln, djnh ky 2

thgng chung tfii kfio miu Ifin

dung kinh lup d m tay (X 20 lin)

quan sat va dgnh gig dya theo

tigu chi sau.

Kit qug cufii CLing dydc danh

gig dya theo:

Liy miu dfii chUng 6 mfii c^g

thUc thufic Igm chuln, tufii thg cCia

miu gfi tim thufi'c trudc sy tin

cfing phg hogi cua Hg dugc dgnh

gia bang sfi lin tfin tgi cua mh\x tim

thufic trgn miu dfii chUng.

Lin quan sat 1: Kfio bfi miu

ifin lau riia nhg, dgnh diu nfit hg

xgm nhap bing sdn trgn di$n tich

mat gfi cd hg xgm nhap. Nh$n

djnh vg dgnh gig mUc dfi hgi bing

ky hifiu.

Lin quan sgt 2: danh gia nhijng

nfit hg mdi xgm nh ^ bing miu sdn

khgc trgn di^n tich m^t gfi cfi hg xam

nh$p, nhgn djnh vg danh gig miu g5

tgi thdi dilm quan sgt theo ky hi^.

cac miu gfi dgt + + -I- chung t6i

quyit djnh huy. kit thiic.

K^T QUA NGHIEN CLfU VA

THAO LUAN

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30 Toi nguyen va MOI tru'ong | Kf 1 - Tiling IB/ZOII