Legumes Pathology (Pigeonpea) C1

Report of Work (Jum, 1mMay Mil)

1. Summary

11. Results

I1 I. Publications

Page NO.

1

3

25

UMO) M W (PIIOI;)U) #tat t

~r D. t k h r l d , Pr incipal Legurn pr tho log l r t (upto k p t n k r IWO)

Dr D.R. Salth, Pr inc ip* l L@uam k tho log lmt &tabor 1W)

Dr H.V. Reddy, BMlor P l 4 t P r t h o l q l r t

Dr A.M. Ohmekbr, Plant F ~ t h o l o q i r t (N lmr wkrrtmrl

Dr T.N. Rrju, Research Associate I I

M r Y. Hurallkrtshna, $enlor ~ r r t a r y

Plr D.C. Vmkrlrh, Ott ica h a l s t a n t

Nrs I. Radha, Junior Ott ica Ihs i s tan t

Hr A.P, Ralu, Senior F l r l d AIsirtrnt

M r O Murrla Rmddy, Smtor P i r l d h s l s t m t

Mr O.N. Ram.chandrm, F ie ld I h s i a t m t (upto February 1991)

Plr Y.J. Charlas, F ie ld Attmdant

nr H. Satyrnrrayrnr, F ia ld A t t m d m t

Hr Syed Pasha, F ie ld At tmdrnt

M r B. Rama Rao, m i o r Driver-cum-Bmerrl I h s i r t r n t

M r K. Brbu Rro, Smnior Dr ivmr-cum-hrrr l k s l r t a n t

fir C.6. Ilurthy, Driver-cum-Oenrrrl k s i s k n t

r r o J K t W. Tlt l . 8 C I M t i 8 t ( l ) C # E # ~ & ~ O ) C I ~------------^-*-------.----~----*------u--------------

LP 502(9OlIC/IC t l a n r g m t of M.V. Rrcldy D.H. k i t h phytophttmrr I n d A.M. 8hmekrr rlt.mrrlr b l i g h t D.R. Ikt1.r m d other r t r R.P. Arlymryy)rm m d 1r.f d l r u s r m L b w m Blngh 01 pig.mp.. 5.C. Oupt.

K.0, k l ~ b K.C. J r l n C. Johurrrn V.B. Chruhrn

L? ~ ~ ~ ( ~ o I I C I I C Epid.*iology and n.v . Reddy D.H. k i t h Int.pr4t.d contra1 4 . n . Ohrnmkrr D.R. Dutlmr o f p1gwx1p.r w l l t Y.B. Chruhan and s t m r l l l t y R.P. Ir iyrnrybgbm moaric C. Johrnrm

Lawman 8Ingh K.C. Jo in D.V.R. Reddy B.C, Ouptr K.8. B r ~ m r

9 Disease s i t u a t l m I n + pigmmpoa, Surveys by ICRIBAT pathologists and repor ts f ro* th. Indian M R S pathologists ind ica te tht m t e r i l i t y mosaic (BM) aarwed merious proportions i n ttm s ta tes of tlbharanhtrr bnd kndhra Pradesh. T r a d ~ t l o n a l l y tha d r s e a e war endemic I n northern lndlan s ta tes o t Ut tar Pradeah, Dlhar and Gujarat and southam Indian states of Karnrtaka and Tbmll Nadu. Disease surveys i n 8 r i Lanka indicated that Bfl and yellow mosaic are widely prevalent but not s e r l w s . I n Kenya, Cercospora leaf spot caused considerable d w g e rn the exper~mentl l l p l o t s a t Kenyan Agr icu l tu ra l R ~ e a r c h l n u t i t u t e (KaRI), Dryland Reserrch Canter, Katumar~i. Leaf spot was also thund t o be a problem i n Malawi.

. D i u a r n u r w r l n a t P a t m c h r u and O w l i o r . ht P&tancharu, evaluatron o f pigoonpea germplrsm and breeding mr te r l a l s was car r ied agalnmt w i l t , SM and phytophthora b l i g h t (PD). Combined screening fo r w i l t and ljfl and w k l t and was also car r ied cut. Evaluation was c a r r ~ e d out I n f i e l d p lo t s and disease rncidenca an the ~ u u c v p t l b l v chmchm i n a l l the nurser ies was very high (Table 1). Thlw seasm PB incidence was r e l a t i v e l y low. An usual obmervrtion made was that ICP 2376 which normally shows r i n g spot symptoms t o 8M has ohown sevpru mosaic symptoms I n patchus i n a w i l t and 6M nursery. populatLonv a t rowing time and monthly i n te rva l s a f t e r sowing I n d i f f o r v n t nurnerius prw glven i n Table 2. F m population gunorally Increased wi th time from sowing time i n June t o tiarv@utlnp tlmo i n December. At twa l i o r subcenter evaluation wan car r ied out against 8n and sv + w i l t .

Evaluatian o t braeding material. t o r dlwasm m l m ~ c e . Eva luat~on o f pigaonpaa breeding materlwlo I n d i t t e r m t genara t~onr against the major dlseases has bean one of the main a t t ~ v i t i e s o f p.thology. Tho mater ia ls screened t o r d l l f e r u n t diseases are l ~ % t o d i n Table Z . fl t o t @ ] o f 4792 mater ia ls a t Patancharu and 338 a t Owallor wure avaluated during the season. Tho h igh l i gh t of t t ~ r a muasons' uvaluat lon i s ident i f ic , t ion o t few short-duration brvsding l i nen res i s tan t t o phytophthora b l igh t .

4. Evaluation o f R i d d l RZ f o r phytaphthora b l i g h t control . I n m unrepl icated t l e l d t r i a l , tho a f f i c r c y o f Ridomil MZ (10% b t a l a ~ y l + 40% Mfncozeb WP) on PB was r tudled. a t the normal dome of 3 g L , i t d id not havolmuch e f f e c t on, the dineape bUt a t the higher dowo o f b g L , 2-3 t o l i a r sprays a t 15 days ~ n t o r v a l starting from 15 days a f t e r sowing gave good cont ro l (Table 4 ) .

51 Evaluat ion o f naw germplau for d l w a u r r l s t m c e . 435 new a c c n s i m s were evaluated f o r PP, BM and w i l t r e r i s tmce , Evaluation f o r PB and w i l t resistance was done i n f i a l d s md f o r Sf4 i n pots. Th. l inms thb t showad pramiw bgainst w i l t ,

CB nd 111 a m llskd Ln T 1 l r 8. IU 142M ms thm only lim t k r t ws t a m d p r a c l s l y l aga ins t a l l U* UKn d l a r m b T h r r wen awwrl llmr proaiming one nd two diw.wI.

6 , I(ulU1omtla wrlwUm tor d i r w u nnlatmm. Four t r i a l s , OM each tw PD, 111, w i l t ~d m l t l p l r d l w r m mrr orgmlmed. Par PD, 9 o n t r l n *m s e n t to I l#rtlms m d r e s u l t s m, m o l d t ron f i v e l a c a t i m s (Trble 6 ) . For w i l t , 24 e n t r h rrrm wont to 13 l o c r t i m s m d multr m m rueiwd from rlwrn (Trb l r 7). For BW, 14 m t r l n m n w n t t o IS l o c r t k n s md m u l t s mrr rrccriwd t m kn (Tablo 8 ) . For w r t t l p l r d l w r m , 20 m t r i n wen wmt to 9 Iocrtlonm m d rnults w n n r r l v o d from .mn (Tabla 9 ) . Oat. ham not km 1rc8lvd l m rll th lacrtlonm but In o u h ' t r l a l 4 t m l i n n were tMd promi8lnp i n a u l t i p l s l o c r t i m 8 .

E v r l u t l m ol All t n d l r C m r d i n a b d T r i a l ( K T ) m t r i r r p r l n s t d l m r n . A t o t a l o t In l i n n l n d i t t a r m t KT'S ners wr1cwl.d w a i n s t Pa, St! m d ~ i l t (Table 10). R 8 1 a t i ~ 0 l y , vory 1.w l i n n woru p r m i s i n g t o r PI a m p c i r l l y in the mhwt-dur r t lm group. k v r r r l Iln- w h promiming t o r n i l t m d BW. T h l l n n such a s WLPA 85-3, DPPA 83-4, D n A 06-8, and Kanpur Iocr l mhomd p r m i n rgainmt a l l th. t h r n ~LHIII..

8. E v r l w U a ot pl@amp.# tor w i l t n d SH ml)t.ncm i n r pmmnlrl 8yotr . In order t o i d a n t l f y llnmm ) n i m t m t to w l l t and M An r perennir l system, 14 knom wilt and EM r n l s t m t l i n n wrm mown i n r milt m d Bn n u t d r y . In the lirmt year, a s mrpwtod, most of t h 8 linmm rmmbinmd promising tor both th8 d i r a r w s (Trblo 11). A t th8 m d of t h 8 SmmM, t h r l i n n mrr r a t m o d . T h . s r p m r i u n t w i l l b. continu.d

I t o r two narm s8r.ons.

d Evalcwtlm of linn tm M t i a n r l Frogrun, f o r d i m - m # i a h c m . Thirty breeding ~ t 8 r l a l s r u r i w d t r o a Dr. Oatputr of J rwrhar l r l Nehru Krishl Viswr Vidyrlrya (JNKV), Jabrlpur mm wr1uat .d aga ins t n l l t and M. the ramults [Tablo 12) m d th8 sod o t th. u l u t o d llnrm mr8 u n t t o Dr Batput*. Tmnty r l g h t linem rc~ .e iv .d trm Dr Wnjarm, Pulma Brooder, Punjabrao Urimhi Vidyapeeth (PKV), Akola, wrm mvrlurted a g r l n r t wilt i n pot8 tollowing roo t -d ip and t r m s p l r n t r t l o n inoculat ion t c h n l q u a (Trb l r 13). One l i n e (PRO 1001, r u s i w d tm WAU Ikg ianr l Rosearch S ta t ion , P a l m n r s mvrlurted rgainmt w i l t i n n i l t r i c k plot . I t shonad 43% w i l t .

10. I n m t l g r t l o r w r on prtlmqmic v u l r b i l i t y in 81( p a t h o p r r l a l t . wetor. Eight d i t f o r m t l r l l i n n worm s e n t t o 10 8n m d w i c loca t ions i n Ind l r , two loca t ions i n Nepal and one i n P)y.nur (Tablr 14). Tho r n u l t m mriY.0 W) trr trm HYM locbtimm i n India i n d l c a t a v r r l a b l l i t y i n t h 8 pathogen u m s r tho locatlons. Thnn d i t t m n t i r l s mm rlw inoculated a t Hyderrbad with thr 1 M l a t n b r a r ~ h t tma tour l o c r t i o n s I ron

Ind ia able 18). T y a tnt alsa r w w 1 . d v a r i a b i l i t y ktmn th i w l a t ~ .

. Pathqlmlc var i .hLl l ty 1A yBr. T w wparate t r i a l s

m e t r i a l , I S pigoanpa l i n n m r e tested against 13 i s o l a t n of E. a t o l l a i n g a r w t - d i p and transplantation i nocu la t im tuhn igue and cmmiderable var ia t ion I n th. react ion of th. l i nes acromm the Isolates was f w n d (Table 16). I n another tnt, 10 Iinem m r e sent t o 9 locatlonm i n India, one l a a t i o n i n Kmya and two locatloom i n Hr l rw i (Table 171. Rnul tm from mejor i ty of the locations bra yet t o bm rmcelvvd.

. I n t u t l o n n d colanlaat lon ot!E. i n pigmnp... I n a glrsshouw axperlnent, tb t i u ' n n d e d fo r in fec t ion o t ' pigoonpea by L. r m determined i n a r t of three cu l t i va rs (one musceptible, one remimtant, one mhort- duration). One week o ld mwmdlingm were inoculr ted by rwt- d ip method and transplanted i n s t e r i l i z e d sand. Iso la t ions a r e made from rwt, middle and top portionm of thm inoculated meedllngm da i l y s ta r t i ng from one day a f ter inoculat ion t i l l 10th day a l t a r lnoculatlon. The recovmry of E. a from res is tant c u l t i v a r ICP 8863 was coraparatlvely lesm than the othmr two cu l t i va rs (Tablv 10).

I n a f i e l d ewporinmt conducted i n a Ver t lso l m d an Ftlfimol w i l t mick p lo t , isolationm were almo made from rwt, co l l a r , middle and t i p portionm of thm plants. Threw v r r l e t l es , reprementing one each o t susceptible (ICP 23761, tolerant (C 11) and res is tant type (1'3 8063) and a mhort- duration cu l t l va r , ICPL 87 were used. Isolations m r e made a t monthly in terva ls a f t e r mwinq t i l l maturity of the crop. E. could bm imolatmd from a11 partm of the p lant I n a l l the cul t ivarm from on# month a t t e r swing. The frequency of iso la t ions from th. root and c o l l a r portionm was higher than from the middle and t i p portionm o t the plant i n tho ear ly mtagmm of thm p lant growth (Table 19).

13. E t t u t o f pigompea cu l t i va rs m E. yPyl popula t im i n wil. I n V e r t i w l and A l f I w l w l l t s ick plots, the inf luence of w i l t suscmptible, to lerant and reelstant cul t lvarm on e. population was studiod. I n a l l thm cu l t ivars , i n both thm soi ls, F_. yPygl population gonerally incrvased wl th tho increase i n tha age of the p lant (Table 20).

14. Evaluation o f pigamp... f o r amcrophonina s t n cankmr' and roo t ro t m i s t m c e . I n col laborat ion wi th APW, 200 p1g.oop.r g e r m p l r r accerslons (ICP 1 t o 3301, w r e evaluatmd l o r r r s i s t ~ c e t o the dimmare a t Hadhira i n Khamam d i s t r i c t , a 'hot-spot' locat ion l o r tho d i ~ a s e . A few l i n e r such as ICP-Z9, ICP-41, ICP-43, ICP-M, ICP-79, ICP-81, ICP-05, ICP- 102, IW-113, ICP-130, 1CP-131, ICP-132, ICP-147, ICP-131, ICP-163, ICP-167, ICP-178, ICP-102, ICP-202, ICP-219, ICP- 238, ICP-268, ICP-294, ICP-305, and ICP-308 showed promism i n

13. I n t l W Y . .t @turn md mtbuolr a w i l t hcm. In 6 k # K o I(nrgwnt m r w fW) m x p o r i m t curiM rut k, Altiwolm nd Y.rtimM8 at Ia f l ( lT knkr mrr h th d&ttwmt pfiducttm Ck am b8hg . W t d , -.tima n b* w i l t iri&$'~ p- d Fu..rlur ylSy populatims wore rrcarrkq * 8- th. influcnce of di l fwnrt ryltm an tho d i m ) . W tungus.

Tabl. 1. Ch.1 Inrlkm, 01 wllt, m nd CI i n muac.ltlb1. ctuck. ln d l t t m t pigmp. 81- nvucir &ring 1-1 a t lUb1111T kntmr, C a t r w k r u rd ubmtw, Lullor.

l h r c m t d l u r w Pmquoncy of Area Uurceptlbl. ------------ ru.t#ptAblm

FImld D l r a w ( r ) (ha) c t w k Anrago (rurg.1 c h c k --------------*----------"---------------------

ICRIuaT c.nln

BIL 2A W l l t 1.0 IV 2S7b W (97-100) 112

R P I O r~ 1 . ~ 1 ICC'IILT 73 ICC n 7 r M

BIL 7C Bn 0.2 Ic? Iw(13 100

BIL 78 W i l t * 2.75 1'32376 100 112 BH ICCBBU 100 1110

BnlbC W i l t * 1.0 ICP 2376 100 MlAcuuW

325 W l l t * 0.6 B ~ h r r 100 111 Bn ICP 8863 100 1110

3238 (# 0.1 ICP 8863 100 1 I 10 ---------------*-----------------"---------------------------------

8 W l l t Incldmncm I# upto 8mptmb.r 1990 only. - ---

No. of l l n n umwd

W i l t 811 Phytophthorr b l lgh t W i l t + EM W i l t + Mollccmrpa

Total

Tabl. 4. L t t u t o t wnd d m n i n q and t o l i r r .pr4yl uf Ill-1 )(2 a t t*o d l f t r m t coneant~ t lans on Phytophthorr b l igh t Lncldmce ( X I I n 4 short -durr t lm pigwonpea cul t i v w I U L p rt ImIlllT C.ntmr, P r t u K h r u during lWl Ip lo t s l z r 1 , C I , LOwlO u). -

I n l u t o d V l r ld Trmatrmt p t m t (XI (ku IM-~I -------------------------------------------- e n d dressing + i l a l i r r spray 4 s g L-l 51 3% ~ k . d drmssing + I l o l i a r spray 4 6 g L-I 32 SII Send drnn lng + 2 l o l l r r sprays 4 3 g L-I 20 4M h o d drrsslng + 2 t o l l u sprrys b g LW1 14 LO20 M d m s i n g * s l o l i a r ~ p r r y r 1 s g L-I w 208 Ek.d d m s l n g + 3 f o l i r r sprays 4 b g L-I 4 IS15

Tabla 5. )Itr* p1g.onp.r pmplam wc.rwian tRnd * n, m .nd nllt d w l ~ miny warn, 19#), ICRIBrRT Dn*, P.trnrhru. --------- 6. thytophthwa blight (R)

ICP lW, l W 3 , 13894, lSR93, 13896,13897, 1 3 8 9 B p l m 9 , 13900, 13901, 13902, 13903, 13904, 13903, 13907, WV08, IS*, 13910, 13911, 13912, 13913, 13915, 15916, 13917, 13918, 13919, 139201 13921, 13922, 13923, 13V4, 15923,

13927, 13928, 13929, 13950, 13932, 1 3 9 S l 13934, 13935, 13936, 13937, 13958, 13939, 13941, 13943, 13944, 13945, 13944, 13991, 139V2, 14009, 14022, 14023, 14024, 14023, 14026, 14027, 14028, 14034, 14031, 14032, 12033,. 14034, 14035, 14056, 14037, 14039, 14040, 14041, 14042, 14043, 14044, 14045, 14044, 14047, 14048, 14049, 140X), 14051, 14052, 140U, 14034, 14035, 14187, 14188, 14190, 14191, 14192, 14198, 14199, 14200, 14201, 14204, 14214, 14214, 14222, 14226, 14287, 14289, 14292, 1433 , 14412, 14413, 14414, 14430, 14431, 14432, 14433, 14434, 14435, 14437, 14438, 14487, 14488, 14489, 14494, 14495, 14499, 11300, 14301, 14302, 14303, 14504, 14505, 14506, 14307, 14508, 143W, 14510, 14511, 14312, 14513, 14514, 14516, 14517, 14518, 14519, 14520, 14521, 14522, 14523, 14324, 14525, 14526, i4517, 14528, 14329, 14531, 14533, 14534, 14333, 14536, 14558, 14539, 14540, 14341, 14342, 14343, 14544, 14543, 14346, 14347, 14548, 14549, 14450, 14551, 14352, 14553, 14354, 14555, 14602, 14603, 14604, 16605, 14606, 14607, 14608, 14609, 14610, 14611, 14612, 11613

ICP 12803, 12812, 13508, 13720, 15900, 13914, 13913, $932, 13952, 13937, 13994, 13993, 14017, 14018, 14269, M271, 14276, 14280, 14283, 14284, 14289, 14290, 14292, 14399, 14410, 14413, 14438, 14439, 14463, 14464, 14469, 11490, 14492, 14493, 14494, 14500, 14503, 14304, 14306, 14507, 14308, 14513, 14514, 14523, 14553, 14591, 14592,

ICP 13933, 13934, 13933, 14198, 14287, 14289, 14516, 14317 ---------------

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?wt IWI I1 I I1 a m n w t r pant rial e 14 w i m u n t m t m n l n 1~ i n +L )S w t m t w 11 n n ~11-n n cc n rat ntc 14 o (0 I PI m 17 b r W : W 17 a !I I a-la w a n ) u u l u I Y 113-0 n TS a kt r 11 to w. m I ~ c m l (6 n n u n w ~ u ~ ( r * t r ~ u 10 10 lm a tcWI * L 3( ID 1 m ll l l t t k t l I 0 l a mW(31 108 I t 40 W# l tkC1 Y 1W W mum )I (7 I( I 0 711) l P l c*cbl ?I - - m m IBO w n ID w IR bii - IW - mwx rb ~q n i o r n r ~ r r r t t r r t r IW - uc mma w n n U tclldJ U Y R Y I I r n ~ n I* n mt I n tt c 11 l t k t i 1 1 2 . m n u a m 1 1

-..-- rum! Ilr -Urr --

btrb m rn alt ~ i n R a YIt -.----*... -- 01 14 n n a r h r l r l r ) m r * r M PI Z l W U am m+ n n r m n l 41 ( 1) 11 (ELM n n n mltr 12 8 o #t )3-17 13 1) tl mM-0-S 3? 13 0 n n-a P u 91 mma t t s M 221 O 4 4 W W M 10 18 3 rm mN H O 1.0 me5 11 1 11 ~m nrlc 1 1 e m m a n. . ~ r n ruc 44 6 o ml~-l n : ~ la m7 B I4 1 mf5-t 9 1 0 M Y 51 I# 11 m n-r n 1: o mtl 37 100 1 m n-10 I n s hu I, n o 14 m a - 1 1 11 6 o mb j: IW 10 m b i z s t a o I C * ~ $3 IW 14 wh l ~ - 1 5 n 4 o m 13 *I M co m e l 4 1 5 0 w l e t 1 ( c k t l 11 r E om w l r I O U 0 10 mc 1r11t c l w t ~ l 91 1 100 m u-16 9 41 4 nu I (a C W ~ I 11 (I 10 la znc c h i t C W ~ I Iv r i i ? m i n 1 too - - m 1 n ~r,i 8 1: 'I 10 IDU III c k t l - 100 . IW ?:I* In c h i ) 1 - - t a mr I M I ~ t k t ~ m - loo ID (W IR c w l * IW -

l a 2116 (*It r m t ~ fl - 10C Sl l

hrW~ CVI m t r ~ n M XI W 0 7 7 M Y w o w ~ r n m 3 n n M I J 101 13on 41 s w w n-w

! '=I: m too v

u n m n 23 ma-14 u 100 41 U P I 4 0 14 Wl a-7 tl 100 8 Y a-I si o 74 mw r a 100 11 Y a-1 I 1 O 14 lnH 12 $$ 100 1 Y W I n I ~ U J ~1 I ~ P n h N 4 11 $1 n htu 1s b l O H h Y 10 1M 10 hru I? I1 7 77 h u t )a 18 1 ?nu I t 10 O M ?nu 14 (I o R TIPIS n loo n P U I n n n wu I K ~ I ~ t k t ~ 16 n o m 2 x I ID n i b ( U I I ~ t * r ~ 14 o M ~1 11 rn n 51 r n ~ [ r n ~ ~ . ~ n toc 1s IV 2S?4 (I111 r C r l l 42 P D Itr 7 l R !PI c W t l I00 - - I 1 IRrWI 3)' 94 v I C T m t m t k t t - 100 - 119 n t c [PI u a ~ n - - IQ m c n11t C W ~ I H - lot IV U (a cLrrbl - 100 - 1 0 l l7b I 1 1 1 c k h l % - 108

Entries PB 8n Wilt --------------"---"----------------**-

IET Early

H a - 7 ti 87-4 I C 4 66015 ICPL 87031 ICPL 87104 ICPL 89044 KP 1 HTH 22 HTH 23 P 606 P 607 Kmpur locr l (chock) ICP 2376 (Wilt chock) BDN 1 (SH cluck) ICP 7119 (PB chock) ICP eebs tsn chock) ICP 2376 (Wilt check)

GWT 86-10 14 75 1 7 GAUT 87-6 13 86 4 JAS 148-10 27 100 42 KM 7 21 100 6 MTH 24 38 06 9 MTH 25 33 90 83 MTH 26 11 100 78 MTH 27 24 100 33 MTH 28 19 96 41 W M A 1 41 100 13 SPH4 3 28 100 33 Kanpur local (chock) 6 50 0 BlSUT 85-18 12 31 11 W T B6-31 21 29 4 GlSUT 87-8 17 100 39 W T 89-17 26 13 100 ICP 2376 (Wilt check) 91 15 100 BDN 1 (Stl ctmck) 30 100 40 ICP 7119 (PB chrck) 08 - - ICP 8863 (8n check) - 100 - 1CP 2376 (Wilt check) 98 - 100 ......................................... - = Not receiv8d.

Table 11. Lvalurtian of pi-- linem tor w i l t and llrr remi.t.me In a pr-ial rymtw. ICRIMT Cmntor, PatuKhmru, rainy y a m 1990 (Rap. 4, ReO, plot s ize 4.8 r 1. ----

Cluerage d i w a n ( X ) Averagcr ----------- yield

Ent r i rs W i l t 8)1 ( k g h - ' ) ......................................... I C P 7198 30 11 1206

(32) (19) ICP 8094 7 3 2355

(13) ( 7 ) XCF' 8859 9 85 679

(10) (68) I C P 8860 3 2 2574

(12) ( 4 ) I C P 8862 56 S 422

(49) (10) 1CP 8867 2 0 184

(0.4) (0 .5) I C P 9174 5 4 2622

(11) (10) ICP 11289 4 3 1409

(8) (10) I C P 11290 23 8 1143

(27) (24) I C P 11291 17 1 2008

(24) ( 2 ) ZCP 11298 11 1 2364

(18) ( 5 ) PR 5149 601. 3 0 2096

( 7 ) 12) P I 397430 8.1. 6 0.3 2155

(13) ( 2 ) I C P L 227 1 3 1779

( 5 ) (9 ) LRQ SO 92 100 0

(74) (901 I C P 8863 3 100 710

(10) ( 9 0 )

6E + 5.2 236.3 (4.3)

CV ( X I 61 51.9 (43) ........................................

Figures i n parenthemes are angular traristorard values.

ICPL 333 x T 21 ICR 8362 X 1 2 1 ICP 7035 X T 21 ICP 4769 X T 21 ICPL 335 X NO 148 ICP 8362 X NO 148 ICP 7033 X NO 148 1CP 4769 X NO 148 ICPL 333 X JAS 87-1 ICPL 8362 X J A 8 07-1 ICP 7033 X JAS 87-1 ICP 4769 X JAS 87-1

(ICPL 333 X T 21) T 21 (ICPL 8362 X T 21) T 21 (ICPL 333 X NO 1481 NO 148 (ICPL 8562 X NO 148) NO 148

ICPL 335 X T 21 ICPL 8562 X T 21 ICPL 335 X NO 140 ICPL 8362 X NO 148 ICPL 333 X JAS 87-1 ICPL 8562 X JAS 87-1 ICP 4769 X JAB 87-1

Parmtal l i n m

T 21 NO 148 JAS 87-1 ICPL 333 lCPL 8362 1 8 7035 ICP 4769 ICP 8863 (Wl chmck) ICP 2376 ( W i l t chmck)

Avmragm Avmragm percmt Bn pmrcmt wll t --*------------------*---

T a 1 m W. AHcUon of pi- r c c l l n r l m m 9- -18 to turrrlum wilt ICRXSAT Cmntmr, Patenchcu (pot culturo u r m l r r g ) 1990-9~. ------- E n t r y f i v e r ~ ~ p r r c m n t w i 1 t --------------------------------------- FIK 2-1 loo 'RK 2-2 loo W 2-3 90 LU( 2-5 100 RU 6-2 20 W 4-3 30 AU 6-4 10 CIK 6-3 0 AU 6-4 10 AK 8-2 90 CIK 8-3-1 loo AU e-s-2 60 AK 8-3-3 50 CUC 9-1 80 AU 9-2 70 AK 9-3 100 AK 9-4 60 AK 9-3 40 AK 9-6 70 AK 9-7 70 AK 10-3 70 RK 10-4 TO AK 10-3 90 AK 10-7 90 AK 10-8 100 AK 10-9 80 &U 10-14 90 AU 10-13 60 I C P 2376 (Wilt chock) 100

En try hgblom Colnbrttora Owrllor P r t ~ c h o r u --------------------------------------------------------. ICP 2376 a a R R ICP 7035 R a R R ICP 8862 8 PR M R ICP 8863 0 0 0 I IP 10976 R 8 R R ICP U ~ M R a R R 84h.r R R R R Purplm 1 B 0 r(ll 8

R Rmmlrknt (no w r n t mymptmr with 0-10% -84lC Incldmcr) HR - Modmrrtrly rnimtnt (ring *pat rynptornr with 11-2OT aomric

Incidmcrl S Buueptlble (nor0 thm 20% uvmr wrrrlc incidmcr)

-

!urn, r o n n N U n n a w n n # w IUIM E ~ U U J ) U ~l 1 n n u u a 10 10 a# 1 1 s ( 0 I t o P 0 IPWZ Z + N * a n r r a l r n 81 n 4 ID W t t ) 1 8 D 8 8 5 1 0 1ui14r n n r n a a e r a a o . r a 1wf1i4 u n r 1 I n 8 b t n t s lo

I 11 O ~ W n u I u n u c o u m FJ I u r ( n u a l r n w t r n n w PO

: J nu r p u 18 u n r t r n n loo kktr I I ~ U S O # I n b r n c o % 71 70 ..... ,,..,,,.,,,.,,- .-.--. - ---.- L .-------.-.-. 1 8 hum 01 4 tntt. --.....-----. - ---- -- -

S '1

T a b l e 17, hrcrnt &It ~ i d r c c r i n plgmonp~ w l l t d f t t m n t h l m a t d l t fe rmt locaton@ kn India durlng 1ttMt. -- ------------

Prrcont wilt ------------------------------------- E n t r y B.dna#rr Oul bare* Owal l o r Rahurl

ICP 2374 ICP 8838 ICP 6939 ICP -2 ICP 8863 ICP 9143 ICP 9174 C I 1 BDN 1 BDN 2

Data not ruo lvod from Kanpur, 8ehor.. Pudukkottal, 8.K. Nagar and Patancheru from India, Katuami (Kmya), Bvumbw and Lilongwe (Mrlawi).

frble U. Xntutlon nd a v a a t t ot L. yPI In PiWOfW" cult ivuv r t b r inowletla by rootdip Ln#ul#tkn nd t r m l a t * Whnipw, lCllIlllT Rntw 1W0-91. --

Snfutrm urd c o l ~ i r r t l o n of E. yPyl I n d l t t r r m t part* Of p l m t ----------------_-----*-------------------------------

ICP 2576 ICP 8863 T 21 Days r1t.r ----------------- -----I------

i n o c u l r t l ~ Rwt fllddlr Tip Rwt ~ i d d l r T i p Root Niddlr Tip ---------------------------------------------------------------- 1 - - - " * - 2 - * - - - - - - 3 + - - - - + + - 4 * - + * - + + - 4 - - * - - + + + 7 + + - - - * ' - - 0 + + - + + + + + 9 - - - - - -

10 + + + + + + + + 13 + + + + + - + + + I 4 + + + + - - + t +

I S + + - - + - - 16 + + - + + - + - - 17 + + + - + + + 18 + + + * - - + + * --------------------------------------------------------------------- + I Prrsrncr of E. w, - Abnmcr of E. -----I--------------- ------- .. -----_--

r","'c, Ill 11 w,, r v l r ~ ' ImlrUm __.."._C---..-......".*.-... .-.. --- *Im 1111 a1 11tiwl 1w Ill { ~ t d --..-.-.-*.*---.-.. - ..---.-... ..---....-

LIUW w gat~ 11.1-w 11491 w IM+.W WII-w WIM 114-n e-w rt-ltw I ~ I I - W I ~ J M --..--I.---*l-.--*.._C----..--..""--.- ..... *-...*- -- I U I U ~ ~ I I U ~ I I t f ~ n w n r u

e t l l v m w u u w M u n w UUlr ~t(( I1 L O n 24 M 8 11 10 I1 L 11) b 0 @ 11 n U 11 1) 1 1) 13

t 11 lu t ~t u I( I$ r LL L n n tlmtc B I I ~ ~ I knntt4

b l l n W (1 II U 8 U 11 40 40 I

UiUle t l r M 1 n JI II 1r 44 u L . 111 t n b u n m r u o .

Ta18 I). t W r ( ~ a ) U m r ~ r L L I ( I . - h U t i r i * I h r t l J dlt ciicl w ~t WUUT (rbr, lmnl. ----

C. -in i' AI 111( sift JYU#I -.----

.-.---. --*"-.....----......-*-.-*--.-.-----.------------~----- t. &, pr0)rsul" (-I wil a lilt iuYmC* [XI -.--....----*--..----.-...---.-------------

1111~1 --------.------..-.--.-.--------.------.----------- Bltlvtr 11-1-W 144W 13-9-94 10-10-90 16-U-to 40-U-W L..r-.r-.....r--.l--.-.-.--...-..---.-------------------.------.--&-.*--------*~

? 11(3 Fw(ur ppulrtim 1M IS15 1411 2100 2600 Sm Milt 1 ~ 1 4 ~ ~ - - 0 0 5 12

Ill. PUClCAfIOQ

Wph, S.C., Jaln, K.C., Irmm., K.B., M y , M.V., and L a t a l , 8.8. 1990. ICPL 83039 - A short du r r t l on dwrrt p l g w n p r l i ne . l n te rn r t i ona l Pigeonpea Nwmlmtter 121 6-9.

Bupta, B.C., Jaln, K.C., Butma, K.B., M d y , M.V., La tm f , 8.8.' Sham, D., Faria, D.B., None, V.L., UWJ L ~ x w ) 8ingk. 1WO. Registrat ion o f a short duration dwrr l pigeonpar germplasn l i n e I C n 83059. Crop Bcl.nce ( s u h i t t e d ) .

Raju, T.N. and W d y , H.V. 1990. In t rgra ted nenrgemnt of phytophthora b l i g h t 01 pig8mp.r. Paper prerentod e t the Indian Phytopathological k l e t y , Central Zonw Chapter Annurl Meetlngr, 29-50 Novwr, 1990, Rajendranagar, Hydurabad, Indla,

Roddy, N.V. 1990. Dlmerse problear of pigeonpea I n East A f r l c r - Prograss rod fu ture rasearch needr. Papar presmted a t the t l r s t EI\RCAL pigeonper sc ient in ts meet, 25-30 June, 199n, Nairobi, Kmya.

Rddy, R.V., Nme, Y.L., Raju, T.N., Sheila, V.K., Barker, N., R m u r d u , P. end k i n , K.8. 1991. Pigeonpaa l i nes tku ld res i s tan t t o phytophthora b l lgh t . Inturnation41 P~yaonper News Le t te r 1st ( i n press).

Rddy, N.V., Raju, T.N. and W e , Y.L. 1991. Appearance o f r new s t r a i n o f pigeonpea s t e r l l ~ t y mooalc pethogen. l n te rna t l an r l Plgcsonpea N m r l e t t e r (submlttedl.

Roddy, H.V., Raju, T.N. and Sauma, K.8. 1991. Eflectivwness o f h l l l p l o t s i n screening pigeonpmr fo r res1wtance t o l u r r r i um w i l t . Indian Journal of Pulses Reserrrli. (submitted, ICRIMT Journal A r t i c l e No. 1188).

W d y , N.V., and Singh, K.B. 1990. Relationship between temperature, r e l a t i v e b m i d $ t y and rrcochytb b l i g h t developrant i n winter sown chlckpes i n Syrla. Phytopath. Medet. (rccuptad).

Rddy, H.V. and Singh, K.B. 1990. F i r s t report o+ slow b l i gh t i ng resistance i n chickpea t o rscochyta b l igh t . P lan t Disease (submitted).

h r m a , K.B., Bnui R.o, T., and Roddy, H.V. 1991. ICPL 07031 - A white, bold smaded, w i l t bnd r t e r i l i t y wuo i c t o l e r m t l i n e of pigeonpa. I n t e r n a t ~ m l Pigeonpea Nwwclettor 131 ( i n prase).

Singh, K.B. ~d Roddy, N.V. 1990. Advances i n d i s a r w resLstance i n chickpea. Mvmccs i n Agronomy (accepted).