EFFECT OF SOWING DATE OF BARLEY ON ITS INFESTATION WITH THE CORN LEAF APHID ,Ropalosiphum maides (Fitch)(Homoptera: Aphididae) AND YIELD COMPONENTS

Effect of Certain Barley Plant Varieties on Population Abundance of Some Piercing–Sucking Insects

EFFECT OF PLANT VARIETIES AND POTASSIUM FERTILIZATION ON THE POPULATION DENSITIES OF CERTAIN HOMOPTEROUS INSECTS INFESTING CUCUMBER AND SQUASH PLANT VARIETIES

EFFECT OF SOME AGRICULTURAL TREATMENTS ON BARLEY YIELD AND SOME TECHNOLOGICAL CHARACTERS

IMPACT OF NPK FERTILIZERS, WHEAT VARIETIES AND THEIR INTERACTIONS ON THE INFESTATION WITH CEREAL APHIDS AND LEAFMINER, YIELD AND ITS COMPONENTS

The Relationship between Aphid and Leafhopper Infestations and Chemical Constituents of three Wheat Varieties

INFLUENCE OF CEREAL APHIDSINFESTATION (THE OAT CHERRY BIRD APHID, ROPALOSIPHUM PADI (L.) AND GREENBUG, SCHIZAPHIS GRAM1NUM RONDANI ON TRAITS OF CERTAIN DURUM WHEAT VARIETIES UNDE

The Effect of Wheat Varieties on the Biological Attributes of Corn Leaf Aphid, Rhopalosiphum maidis (Fitch) (Hemiptera: Aphididae) under Laboratory Conditions

A COMPARATIVE STUDY OF CERTAIN BIOLOGICAL ASPECTS OF THREE CEREAL APHID SPECIES REARED ON BARLEY

SUSCEPTIBILITY OF THREE MAIZE CULTIVARS TO APHID INFESTATION AND EFFECT OF POTASSIUM FERTILIZER LEVELS ON APHID