Extracts of pyrethrum permanence of toxicity and stability of emulsions

[1] Specifications for petroleum oils to be used on plants [J]. JOURNAL OF ECONOMIC ENTOMOLOGY, 1928, 21 : 697 - 702

[2] DEONG ER, 1930, J IND ENG CHEM, V22, P836

[3] DEONG ER, 1927, HILGARDIA, V2

[4] A field method for determining the oil strength of sprays [J]. JOURNAL OF ECONOMIC ENTOMOLOGY, 1926, 19 : 522 - 525

[5] HARDER H, 1927, THESIS ZURICH, V69

[6] HART H, 1929, IND ENG CHEM, V21, P85

[7] Calcium and hydrogen ion concentration and the interfacial tension of pyrethrum extracts. [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1931, 21 : 101 - 114

[8] Substances for killing insects I. The isolation and constitution of effective parts of dalmatian insect powder [J]. HELVETICA CHIMICA ACTA, 1924, 7 : 177 - 201

[9] STAUDINGER H, 1927, ANN ACAD SCI FENNI A, V29

[10] Pyrethrin I and II. Their estimation in pyrethrum (Chrysanthemum cinerariaefolium). II. [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1929, 19 : 433 - 437

[1] Specifications for petroleum oils to be used on plants [J]. JOURNAL OF ECONOMIC ENTOMOLOGY, 1928, 21 : 697 - 702

[2] DEONG ER, 1930, J IND ENG CHEM, V22, P836

[3] DEONG ER, 1927, HILGARDIA, V2

[4] A field method for determining the oil strength of sprays [J]. JOURNAL OF ECONOMIC ENTOMOLOGY, 1926, 19 : 522 - 525

[5] HARDER H, 1927, THESIS ZURICH, V69

[6] HART H, 1929, IND ENG CHEM, V21, P85

[7] Calcium and hydrogen ion concentration and the interfacial tension of pyrethrum extracts. [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1931, 21 : 101 - 114

[8] Substances for killing insects I. The isolation and constitution of effective parts of dalmatian insect powder [J]. HELVETICA CHIMICA ACTA, 1924, 7 : 177 - 201

[9] STAUDINGER H, 1927, ANN ACAD SCI FENNI A, V29

[10] Pyrethrin I and II. Their estimation in pyrethrum (Chrysanthemum cinerariaefolium). II. [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1929, 19 : 433 - 437