Seasonal changes in the free amino acids of oat and barley phloem sap in relation to plant growth stage and growth of Rhopalosiphum padi

A decimal code for the growth stages of cereals

1974 • 9,511 citations

Biochemical aspects of plant and animal coevolution

1977 • 544 citations

Nitrogen as an Ecological Factor.

1984 • 424 citations

The chemical composition of Ricinus phloem exudate

1972 • 249 citations

Studies On the Feeding and Nutrition of Tuberolachnus Salignus (Gmelin) (Homoptera, Aphididae)

1958 • 238 citations

Studies On the Feeding and Nutrition of Tuberolachnus Salignus (Gmelin) (Homoptera, Aphididae)

1958 • 230 citations

Sugar, Amino Acid and Inorganic Contents in Rice Phloem Sap

1982 • 179 citations

A Method of obtaining Phloem Sap via the Mouth-parts of Aphids

1953 • 160 citations

THE PERFORMANCE OF BREVICORYNE BRASSICAE AND MYZUS PERSICAE IN RELATION TO PLANT AGE AND LEAF AMINO ACIDS

1971 • 130 citations

Influence of Nitrogen on Population Parameters of Potato Insects: Abundance, Population Growth, and Within-plant Distribution of the Green Peach Aphid, Myzus persicae (Homoptera: Aphididae)

1986 • 111 citations

A COMPARISON OF THE REPRODUCTION OF BREVICORYNE BRASSICAE AND MYZUS PERSICAE IN RELATION TO SOLUBLE NITROGEN CONCENTRATION AND LEAF AGE (LEAF POSITION) IN THE BRUSSELS SPROUT PLANT

1969 • 108 citations

Nitrogen Metabolism in Plants

1981 • 106 citations

Factors in Resistance of Peas to the Pea Aphid, Acyrthosiphon pisum (Harr.) (Homoptera: Aphididae). II. Amino Acids

1957 • 106 citations

The effect of cereal growth stage and feeding site on the reproductive activity of the bird‐cherry aphid, Rhopalosiphum padi

1981 • 99 citations

Nitrogen metabolism of Picea glauca. I. Seasonal changes of free amino acids in buds, shoot apices, and leaves, and the metabolism of uniformly labelled ¹⁴C-<scp>L</scp>-arginine by buds during the onset of dormancy

1968 • 98 citations

PLANT RESISTANCE TO MYZUS PERSICAE INDUCED BY A PLANT REGULATOR AND MEASURED BY APHID RELATIVE GROWTH RATE

1969 • 90 citations

Feeding and multiplication of three cereal aphid species and their effect on yield of winter wheat

1979 • 85 citations

Collection of rice phloem sap from stylets of homopterous insects severed by YAG laser

1980 • 79 citations

EFFECT OF AMINO ACID AND SUGAR CONCENTRATIONS ON THE FOOD UPTAKE OF THE APHID MYZUS PERSICAE

1967 • 72 citations

Nitrogen metabolism in plants.

1975 • 68 citations

Collection of rice phloem sap from stylets of homopterous insects severed by YAG laser

1980 • 67 citations

The effect of barley yellow dwarf virus on the amino acid composition of spring wheat

1986 • 59 citations

Distribution of Rhopalosiphum padi (Hornoptera: Aphididae) on spring barley plants

1987 • 45 citations

EFFECT OF AMINO ACID CONCENTRATION ON DIET UPTAKE AND PERFORMANCE BY THE PEA APHID, ACYRTHOSIPHON PISUM (HOMOPTERA: APHIDIDAE)

1974 • 43 citations

A versatile high frequency radio microcautery

1978 • 43 citations

Assessment of methods for testing varietal resistance to aphid s in cereals

1977 • 42 citations

Simulations of bird cherry—Oat aphid population dynamics: A tool for developing strategies for breeding aphid-resistant plants

1985 • 40 citations

The ruby laser as an instrument for cutting the stylets of feeding aphids

1972 • 40 citations

Quality and Quantity of Plant Sap Available to the Pea Aphid1

1978 • 36 citations

Amino acid analysis of phloem sap from oats and barley: A combination of aphid stylet excision and high performance liquid chromatography

1986 • 25 citations

Untersuchungen zur Ern�hrungsphysiologie der Aphiden

1961 • 24 citations

Seasonal Changes in the Within-Crown Distribution of the Aphid Cinara Pini on Scots Pine

1985 • 22 citations

Screening for resistance against rhopalosiphum padi (L.). I. avena species and breeding lines

1986 • 14 citations