Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Merrill R. Pack"'
Publikováno v:
Environmental Science & Technology. 15:1493-1498
Publikováno v:
Atmospheric Environment (1967). 19:1001-1007
Experiments were conducted with Gladiolus to evaluate the dose-response relationship of F− injury to plants. In two experiments (Group I), plants were intermittently exposed to HF in different patterns of period length and frequency (24–384 h) wi
Autor:
Merrill R. Pack
Publikováno v:
Journal of the Air Pollution Control Association. 21:133-137
Tendergreen bean plants were grown from seeding to seed maturity under continuous exposure to HF gas at fairly uniform concentrations averaging 0.58, 2.1, 9.1, and 10.5 ..mu..g F/m/sup 3/. Progeny of these plants and of comparable control plants were
Autor:
Merrill R. Pack
Publikováno v:
Journal of the Air Pollution Control Association. 22:714-717
Strawberry plants in growth chambers were continuously exposed to HF gas at concentrations averaging 0.55, 2.0, 5.0, and 10.4μg F/m3, throughout flowering and fruiting. At 0.55 μg F/m3, there was a small but significant increase in fruit deformatio
Autor:
Merrill R. Pack
Publikováno v:
Journal of the Air Pollution Control Association. 16:541-544
Two varieties of tomatoes grown at 40 to 200 ppm calcium were continuously fumigated with HF throughout flowering and fruit development. Fruit size was directly related to the level of calcium nutrition, and within each calcium treatment the fruits o
Publikováno v:
BioScience. 22:431-433
Autor:
Alma McDonald. Wilson, Merrill R. Pack
Publikováno v:
Environmental Science & Technology. 1:1011-1013