HELIA 31

Table of contents

PRODUCTION OF NEW CMS SOURCES IN SUNFLOWER
Michail Christov..... 1 

INTERGENERIC HYBRIDS' IN Compositae (Asteraceae), 1. HYBRIDIZATION BETWEEN CULTIVATED SUNFLOWER H. annuus L. AND Compositae GENERA
Michail Christov, Rumjana D. Vasstlevska-Ivanova .....13 

GENETIC VARIANCES AND HERITABILITY OF SUNFLOWER TRAITS ASSOClATED WITH DROUGHT TOLERANCE
Daniel Gomez Sanchez. Mario Baldini, Dora Aguilera Charles, Gian Paolo Vannozzi.....23

PATH COEFFICIENT ANALYSIS OF SOME OIL YIELD COMPONENTS IN SUNFLOWER (Helianthus annuus L.)
Jovan -Joksimovic, Jovanka Atlagic, Dragan Skoric.....35

CYTOMORPHOLOGICAL STUDY IN THE INTERSPECIFIC HYBRID Helianthus annuus L. x Helianthus argophyllus T. & G.
T. Manjula, A. Seetharam, K. Seenappa..... 43 

INDUCED PARTHENOGENESIS IN SUNFLOWER: EFFECT OF POLLEN DONOR
MigIena Todorova, Peter Ivanov..... 49 

POLLEN COMPETITION AT GAMETOPHYTIC AND SPOROPHYTIC PHASES IN SUNFLOWER (Helianthus annuus L.)
1. Shanker Goud, K. Giriraj..... 57 

INDUCTION OF PLANT INJURY, CHIMERA, CHLOROPHYLL AND MORPHOLOGICAL MUTATIONS IN SUNFLOWER USING GAMMA RAYS
Sanjay J. Jambhulkar, D. C. Joshua 63 

COMBINING ABILITY ESTlMATES IN SOME SALT TOLERANT AND SENSITIVE SUNFLOWER (Helianthus annuus L.) GENOTYPES 1. MORPHOLOGICAL PARAMETERS
Obaid U. Rehman, Medhet K. Hussain..... 75 

In vitro SCREENING OF SUNFLOWER FOR RESISTANCE TO Sclerotinia sclerotiorum (Lib.) de Bary
Dragana Vasic, Gilbert Alibert, Dragan Skoric..... 95 

INHERITANCE OF RESISTANCE TO Phomopsis IN SUNFLOWER: STUDY OF LEAF AND STEM RESISTANCE AFTER ARTIFICIAL AND NATURAL INFECTION
Joachim Degener, Albrecht E. Melchinger, Volker Hahn..... 105 

HEAD AND SEED INFECTION OF SUNFLOWER BY Albugo tragopogonis
P.S. Van Wyk, A Viljoen, W.J. Jooste..... 117 

SUNFLOWER BREEDING FOR RESISTANCE TO BROOMRAPE (Orobanche cernua Loefl./Orobanche cumana WaHL)
Branislav Dozet, Dragan Skoric, Radovan Marinkovic..... 125 

A STUDY OF CORRELATION BETWEEN SEED AND FIELD INFECTION INTENSITY FOR ESTABLISHING DISEASE TOLERANCE LIMITS IN SUNFLOWER
A Rauf Bhutta, M.H. Rahber Bhatti, Iftikhar Ahmad, Ch. Abdus Shakoor..... 137 

EFFECT OF SEED DIFFUSATES ON GROWTH ON SEED-BORNE FUNGI OF SUNFLOWER
A Rauf Bhutta, M.H. Rahber Bhatti, Iftikhar Ahmad..... 143 

REACTION OF SUNFLOWER GENOTYPES TO Alternaria helianthi IN THE STATE OF PARANA, BRAZIL
R.M.V.B.C. Lette, M.M. Trezzi, M.F. de Oliveira, C.A.A. Arias, V.B.R. Castiglioni..... 151 

FIRST REPORT OF Phialophora asterts ]. sp. helianthi ON SUNFLOWER IN PAKISTAN
M. Siddique Mirza, Yasmin Ahmed..... 159 

GEOGRAPHIC DISTRIBUTION OF MAJOR DISEASES OF SPRING SUNFLOWER CROP IN PAKISTAN DURING 1996
S.N. Khan, Ahmad, N. Ayub, AR. Bhutta..... 163