PLANT-PARASITIC NEMATODES ASSOCIATED WITH CITRUS AURANTIFLOLIA, C. MEDICA, C. PARADISSI, CARICA PAPAYA, FICUS CARICA AND PHONEIX DACTYLIFERA IN AL-QATIF OASIS, SAUDI ARABIA , I. Alkhoury*, M. R. A. Shahata** and S. Shaheen

TUBER DISEASES ASSOCIATED WITH LOCALLY PROPAGATED AND IMPORTED POTATO (SOLANUM TUBEROSUM 1.) SEEDS , M. A. EI-Meleigi, S. M. Khairi and G. H. Ibrahim

INFLORESCENCE ROT (KHAMEDJ) OF DATE PALM CAUSED BY MAUGINIELLA SCAETTAE AND ALTERNARIA SP. IN QASSIM AREA , S. M. Khairi, M. A. EI-MeJeigi and G. H. Ibrahim

EVALUATION OF DOWNY MILDEW RESISTANCE IN ALF ALFA CULTIV ARS GROWN IN QATIF REGION, EASTERN PROVINCE, SAUDI ARABIA. , M. R. A. Shahata and I. Alkhoury

CONTROL OF DODDER (CUSCUTA CAMPESTRIS YUNCKER) ON CITRUS AND ALFALFA IN AL-HASSA USING "ROUND UP" , M. A. Nagieb and A. A. Kadous

LEAF SPOT DISEASES IN SAUDI ARABIA. IV. EFFECT OF CARBON AND NITROGEN SOURCES ON THE GROWTH OF ALTERNARIA ALTERNATA. , H. M. Sheir, A. N. Abou-Heilah, M. Y. Kassim and Shemsher Khan

CHEMICAL WEED CONTROL IN POTATO SOLANUM TUBEROSUM , L. M. T. Tamim and A. A. Kadous

GROWTH-RESPONSE OF SOME VEGETABLES TO SOME HERBICIDAL-TREATMENTS IN DlERAB-SOIL , A. Tag-El-Dtn, A. Thabet and A. Hamada

PLANTPHYSlOLQ & PRODUCTlON SALT TOLERANCE OF SOME INTRODUCED AND LOCAL GENOn'PES OF WHEAT , Y. A. AI-Sheal and H. H. Saleh

EFFECT OF DIFFERENT CONCENTRATION OF CATIONS ON THE GERMINATION OF WHEAT AND BARLEY SEEDS , Saman A. AI-ShaH, Hamad H. Saleh and Mohamed A. Al Salama

PHYSIOLOGICAL AND BIOCHEMICAL ACTIONS OF GAMMA IRRADIATION AND CYCOCEL [(2-CHLOROETHYL) TRIMETHYLAMMONIUM CHLORIDE] ON SUNFLOWER (HELIANTHUS ANNUS L ) PLANTS, S. A. EI-Sayed and Y. M. Maghrabi

ALFALFA IRRIGATION WITH HIGHL Y SALINE WATER IN AL-HASSA, SAUDI ARABIA, Z. Hussain and I. A. AI-Mulhim

THE PERFORMANCE OF FIVE SUNFLOWER (HELIANTHUS ANNUS L.) CULTIVARS GROWN IN AL-HASSA, EASTERN PROVENCE, SAUDI ARABIA. S Osman A. AI-Tahir, Yahia M. Makki and Abdulgadir H. Khattab

SOME BIOCHEMICAL ANALYSIS OF STEM EXUDATE AND STEM AND ROOT TISSUES OF LEPTADENIA PYROTECHNICA (FORSSK.) DECNE. M. O. Basalah, M. H. AI-Wahaibi and Abdul Magied Ahmed

POTENTIALS OF WARM SEASON GRASSES IN SAUDI ARABIA , U.G.Bokhari*,Abdullah Basudan", Faisal Alyaeesh*, Jaafer Awamy**, Abdul Khalik Hijazi*** and Abdul Aziz AISarhany***

PHYTOCHBMISTRY SOME TOXIC CONSTITUENTS FROM AERIAL PARTS OF TEPHROSIA APOLLINEA , S. Ahmed, M. Jahangir and M. AI-Mishal

PHARMACOGNOSTICAL AND BIOLOGICAL STUDIES OF PRUNUS MAHALEB , L. M. S. AI-Said

PHYTOCHEMICAL STUDY OF HEMBAZE (EMEX SPINOSUS L.) CAMPD.) F. J. EI-Muhtadi and M. S. Hifnawy

PHARMACOGNOSTICAL STUDY OF LYGOS RAETAM FORSSK. GROWING IN SAUDI ARABIA , M. S. Hifnawy and F. J. Muhtadi

AROMATIC PLANTS OF SAUDI ARABIA PART VI. ESSENTIAL OIL OF JASONIA CANDlCANS DEL.  M. S. Hifnawy, M. A. AI-Yabya, I . A. AI-Meshal, J. S. Mossa and A. G. Mekkawi

SUIl. SCIENCE WATER INTAKE OF SANDY CULTIYATED SOILS AND ACCUMULATED CALCIUM CARBONATE RELATIONSHIPS IN QASSIM, KINGDOM OF SAUDI ARABIA., Hamed Hussien Saleh

NITRIFICATION OF AMMONIUM SULPHATE AND UREA IN SOIL AS AFFECTED BY SALINITY AND ORGANIC MATTER SUPPLEMENTATION R. , M. EI-Shahawy and H. A. Amer College ofAgriculture. King Saud University, Riyadh. Saudi Arabia,

TAXONOMY GENUS PLANTAGO IN SAUDI ARABIA , Shoukat A. Chaudhary

ANIMAL CYTOLOGY SPERMIOGENESIS IN f)/NEUTES AEREUS (KLUG) (GYRINIDAE, COLEOPTERA) 2. ACROSOME FORMATION A"lD STRUCTURE , A. E. N. EI-Hawawi Science

CYTOLOGICAL STUDIES OF CERTAIN DESERT MAMMALS OF SAUDI ARABIA 4. THE KARYOTYPE OF ALLACTAGA EUPHRATICA , A. A. AI-Saleh and M. A. Khan

ANIMAL ECOLOGy POPULATION ECOLOGY OF BEETLE COMMUNITY IN A CAMEL CAMP, Maya Menon and S. Jerome Putnam

ANIMAL PATHOLOGY PREDOMINANT BACTERIAL SPECIES AND SEROTYPES ON SAUDI ARABIAN POULTRY FARMS: EVALUATION OF PROCEDURES FOR THE PREVENTION OF TRANSMISSION FROM PARENT FLOCKS TO THEIR PROGENY , Elie K. Barbour, Nassim H. Nabbut and Habeeb M. AI-Nakhli

THE PATHOGENESIS OF ACUTE EXPERIMENTAL SCHISTOSOMA BOVIS INFECTION IN SHEEP , M. F. Hussein, S. M. Baesmaeil and H. A. R. Hassan

A RESPIRATORY A1\D ENTERIC SYNDROME IN A PIGEON FLOCK IN SAUDI ARABIA , Nassim H. Nabbut, Ahmed I. Radwan, Elie K. Barbour and as anorexia,

THE PREY ALENCE OF SOME HELMINTHIC PARASITES, AND HEPATIC DISORDERS IN SHEEP, CATTLE AND CAMELS IN BUREIDA

A STUDY ON BRUCELLOSIS AMONG ANIMALS OF SOME FARMS AND RURAL AREAS IN SAUDI ARABIA

WINTER FEEDING OF OREOCHROMIS NILOTICUS (L) WITH LOCAL FEEDS IN SAUDI ARABIA

EFFECT OF DIFFERENT RATIONS ON MILK PRODUCTION AND FEED INTAKE OF DAIRY COWS

BASIS FOR THE 2-6 CYCLE/SECOND SLOW-WAVE RHYTHM OF THE AUTONOMIC NERVOUS SYSTEM

INDUCTION OF MUTATION IN DROSOPHILA MELANOGASTER BY NTG. I-DOMINANT LETHALS

STABILIZATION OF EGGSHELL IN HETEROMICROCOTYLE INDICUS RAMALINGAM, 1960 (MONOGENEA: MICROCOTYLIDAE)