IL30833A - Composition for controlling the california red scale - Google Patents
Composition for controlling the california red scaleInfo
- Publication number
- IL30833A IL30833A IL30833A IL3083368A IL30833A IL 30833 A IL30833 A IL 30833A IL 30833 A IL30833 A IL 30833A IL 3083368 A IL3083368 A IL 3083368A IL 30833 A IL30833 A IL 30833A
- Authority
- IL
- Israel
- Prior art keywords
- oil
- edb
- composition
- controlling
- red scale
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims description 10
- 241001414828 Aonidiella aurantii Species 0.000 title claims description 4
- 239000003921 oil Substances 0.000 claims description 25
- 239000007921 spray Substances 0.000 claims description 3
- 239000010742 number 1 fuel oil Substances 0.000 claims 1
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical compound BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 description 20
- 238000011282 treatment Methods 0.000 description 6
- 235000013399 edible fruits Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 241000219307 Atriplex rosea Species 0.000 description 2
- 239000002316 fumigant Substances 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 241000207199 Citrus Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000244206 Nematoda Species 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 235000020971 citrus fruits Nutrition 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- RIZMRRKBZQXFOY-UHFFFAOYSA-N ethion Chemical compound CCOP(=S)(OCC)SCSP(=S)(OCC)OCC RIZMRRKBZQXFOY-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical class [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
A NEW COMPOSITION ETHYLENE DIBROMIDE FOR CONTROLLING CALIFORNIA RED This invention relates to a new combination of ingredients aiming at the oontrol of the California red soale aurantii whioh is very especially to citrus soale has been controlled by proprietary summer oils whioh however proved To achieve greater effioienoy oertain inseotioides mainly phosphorous compounds are added to the although there are obvious disadvantages and danger involved in suoh praotioe such as a substantial inorease of the problem of tozio residues and export restrictions and the other hand Ethylene dibromide oalled is known as a suitable in soil treatment mainly against nematodes and oertain EDB is also reoommended as a fumigant in stores against stored grain insects and in paoking I myself published in 1956 in the Bulletin of Entomologioal Researoh the results of my various experiments with EDB to oontrol eggs and larvae of the Mediterranean fruit ttaokin oitrus Recommendations ensueing from these experiments were aooe ted and later put into praotioe in It may also be mentioned that EDB as a fumigant was tried against the California red soale in the late however it proved not to be applicable for different although its killing effeot on red scale was It has now been surprisingly found in controlled laboratory experiments that very small quantities of EDB when properly added to suitable oils will form a mixture whioh for the first time oan be sprayed on the trees and successfully destroy the red soale without entailing any of the disadvantages or dangers mentioned It has further been found that increasing the dosage of EDB over a certain although still being vithin the range where the mixture forms a suitable does not materially enhance the knock down of the scales or the lethal residual effect upon the According to this invention the composition of the spray for red scale control consists of gr up to 1 gr of EDB incorporated in one of oil per hundred liter The oil in may bo a or base oil of medium or light medium grade or alternatively a depending upon the or whether residual effect is desirable or Any other solvent or adjuvant serving as a carrier of sprayable EDB may be again the criterion being mainly the effect of the Any formulation based or originating in this principle and includin granulated products may be The following tables illustrate the results of experiments I have carried Effect different oonoentrations of in oil on survival of the California red scale Serial Composition Number of oil EDB of soales suriivors Remarks per 100 liters examined average of spray 4 replioates 1 gr EDB 337 average The treatment was 1 of oil oarried out by immersing gr EDB i 351 orange fruit effooted 1 off oil by the 1 gr EDB in 451 0 Prior to the treatment 1 of oil the average percentage of live soales was 10 gr EDB in 440 of oil After treatment the 100 gr EDB in 467 fruit were kept under of oil laboratory that means free from Ethio 468 ambient emulsifiable oonoentrate in 1 of oil Not treated 389 2 gr EDB in 880 The differenoe between 1 of oil the first and seoond series of experiments gr in 632 n oonsisted in that the 1 oil fruit was immediately removed after the end 1 gr EDB in 288 n of the experiments and of oil exposed to atmospheric oonditions Ethion 337 sun emulsifiable oonoentrate in In the seoond series 1 of oil ph tocidal tests were plants Not treated 391 reoeived treatment relating to all There were no destructive ef 3 gr of EDB Outdoors Indication that in oil 196 reduoing the oil concentration below gr of EDB Indoors may unfavourably influenoe oil 224 the of EDB Outdoors in oil 218 trials Valencia trees sprayed examined Percentage of survivors on fruits verage of five Table 2 Effect of different concentration in oil on the survival of California red scale compared with other Leaf examination displayed significant differences between treated and untreated trees onlyj difference between different treatments not significant due to small numbers of scales on insufficientOCRQuality
Claims (3)
1. A new composition for controlling the California red scale consisting of very small quantities of EDB of 0,01 gr - 10 gr per 1. oil, preferfctoly in the range of 0.01 gr up to 1 gr of an oil as hereinabove defined per 1¾© 1. spray.
2. A composition according to claim 1 wherein the oiloused is a naphthenic or paraf inic medium ir light medium grade summer oil.
3. A composition according to claim 1 wherein the oil used is a so-called narrow-range oil. Tel-Aviv, October 6, 1968.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL30833A IL30833A (en) | 1968-10-08 | 1968-10-08 | Composition for controlling the california red scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL30833A IL30833A (en) | 1968-10-08 | 1968-10-08 | Composition for controlling the california red scale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL30833A0 IL30833A0 (en) | 1968-12-26 |
| IL30833A true IL30833A (en) | 1972-09-28 |
Family
ID=11044659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL30833A IL30833A (en) | 1968-10-08 | 1968-10-08 | Composition for controlling the california red scale |
Country Status (1)
| Country | Link |
|---|---|
| IL (1) | IL30833A (en) |
-
1968
- 1968-10-08 IL IL30833A patent/IL30833A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL30833A0 (en) | 1968-12-26 |
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