โรคถั่วเขียวในประเทศไทย

I . T?nlu!va? (Bacterial blight)

2. T s ~ 6 7 h b d 7(Stem rot)

I

3. Tsnw4b4nwqin'buTwwa7fiui (Mycoplasma)

I. % s n % u 1(~Bai cterial blight)

LSA bubvBJ"11fl961aaloabnn~lnb.dbabunwbsu Xanthomonas sp.wutzuint9ubbt~

~ s i u 9 7 u d4 iwwa s ~ d a o ~flwsi~~w~fiavfqabu?wnu7d7 bwl~a?.~n96T(caommon

a~nnq7ndoaauww4 a4ser I 9,

blight) X. campestris pv. phaseoli 9J 0 9Jw
fl7u?snaa7w?@7ufia\mw9

7aInlsb%BJb b t ~ 4 ~ W9 f l ~ n f i Ub76Wn l ~ finNsI9Ufi9flasfibMaas (halo) 6 n ~ s l d ~

--
6167 w w4
(water-soaked) ~ ~ f l 7 ~q 7 3 9 99 d b l 9 9 q ~ b b ~ ]a~ga~ ~ " ~ f l 7 ~ ~ "
~93$7u91a'v19uaw67hb

a~nmq7naiorbuw4w4bsuXanthomonas sp.

I

Uematsu bbazRmz,1983 ~ 6 ~ 7 f l d P/ I \ 9~9T7W % U ~ ' (Mba~cterial blight)~ad6?

7~

f!ha b%mnb~Yaa b b 44 campestris pv. phaseoli (= X. phaseoli)

~ I~,? wX.

Saa~uw4w~4suaPI dluclass gamma Proteobacteria aflu~ansuau~ n w m z i a u & u

(rod shape) a4974 (fagella) 1-2 ba~b73Q/ mv ~4 mm~~e7~73LLbE8AI f4Wld4L I U ~ b~ iZ~ ~Pd otato

T

sucrose agar (PSA) C w f n ~ h a u ~ ~ ~PI n P/ u 7 ~ n f i ? 7 d f w 3 ~ ~ ~6-wwA~b47slusnmh

aSuou~u7

P/ P/

Extracellular polysaccharides 4q d $ 7 ~ ~ w f4n4uwu a n w m z b ~ o n bb~%uaflbd~dw~qmo$

Zuni7 xanthomonadin ~ i ~ % ~ f a4u44u f i b v $ a&d ~ f l u ~ n w m ~ 6 u " u a4dL4T~UI~Uu ~ w

aauww4a4su aflu seed borne ~mn'E1buAwa$oa~?0/ m~iiua~ubau"~fl~naqdw~wAuu4du

I borne nisdanPI blYI adua4dmtl+~uaamAw

a~adqina~oaawuw4a4sufi7b'~'lmbfluseed



2. I%F"~GIKuL(S~teI m rot)

wI

w wwd

a?n~ina!!a??Sclerotium rolfsii Sacc.

ww

~s?7odQI !u class basidiomycete I,~%U\U clamp connection ~ i ~ 9 6 l d ~ ~ 4 d ~ n ~ d

sz~kqa.da&r&u~ua~u6'nwtubzinucleate dl 4 2 % a a ~ g u f i i a1 ~ a aL $ D T ~ L ~ ? ~ I ~
w
WDN

~ ~ n a i u r f l u2a u4~ a u a apase~uudoparenchyma 4~s'r4sun47adnfia~aFs4awu4unwnwmznau 8

w

& W ~ R( 6 1 7 ~ 411) ~ ~91 ~ ~ ~ ~ ~ 6 7 ~ 7 (~Ro7bertt, 1b99f1)l ~ ~ 7 ~ 9 ~ ~ ~ 7 n





3. fsnw4b4nnqin \~lawaifi(lu(iMycoplasma)

~?~"1qin~?!amycoplasma - like organism (= phytoplasma f l q q'I f l ~ )

















5nswsw4 6 2538. ~ ~ 7 ? ~ ~ 7 tq ! h f i"?3~~7~?t t 7 q 81~4-~167 ,hq m253~8. ~

-

nswsw4 7 . rn Csq~~s~Cna~nu~~ .~Gnwsmuq C6 a n2, -4 s'uainu 2540.

Aspergillus flavus bba~fl73bcnAflatoxin. ~ 6 17552-1556. hJ 97U919aWfifl7t
n ? ? ~ n ~ ? f i ?4s4b4nq~ ' ~ 1 ~ r " l m f i ~ ~ ? a ~ n ? s ~ a ~ Ac f~laftio7xi<n.n f1i476?'1%15~46-