कीटनाशक
kitanashak (aangrezi: Insecticides) un rasayanik ya jaivik padarthoan ka mishran hota hai, jinaka upayog ki de mako doan se hone vale dushprabhavoan ko kam karane, unhean marane ya unase bachane ke lie kiya jata hai. isaka prayog krishi ke kshetr mean pe d-paudhoan ko bachane ke lie bahutayat se kiya jata hai. kee prakar ke ki de adi poori fasal ko barbad kar dete haian. inake niyantran ya phir inhean samapt karane ke lie kitanashakoan ka prayog kiya jata hai.
kary
kitanashak tin prakar se kary karate haian-
- jivadravy[1] par vishavat kriya karake, jaise- aml aur kshar
- shvasavarodh karake, jaise- tailadi
- tantrikatantr par vishavat kriya karake, jaise- kloropharm
kitanashak padarth vilayan, payas, paudar (choorn), vashp ya dhuean ke roop mean prayukt kie jate haian athava bhojan mean mishrit karake. sushrut ke anusar guggul, dhoop aur agar ka dhuana kitanashak hai. jalate gandhak ka dhuaan bhi kit tatha krimi ko nasht kar deta hai. gandhak choorn ke roop mean athava mitti ke tel mean payas banakar upayukt kiya jata hai.[2]
haidrosayanik aml
jiv matr ke lie atyant vishaili gais hai aur har jiv-jantu, ki de-mako de, jaise- makkhi, khatamal, jhiangur, tilachatta, kanakhajoora adi krimiyoan tatha choohoan ko, jin par gandhak ka koee prabhav nahian p data, shighr hi nasht kar deta hai.
- karban daisalphaid
yah b da shaktishali kitanashak hai. turant sab krimiyoan ko nasht kar deta hai.
paitroliyam athava khanij tail
yah mitti ke tel ke roop mean pray: kam mean laya jata hai. petroliyam se utpann gaisolin, krood aauyal adi bhi upayogi kitanashak haian. petroliyam ko machchhar aur unake aande bachchoan ka nash karane ke lie adhikatar kam mean late haian. ek auans petroliyam pandrah varg phut jal ki satah ke liye paryapt hota hai. petroliyam ke chhi dakav se khatamal, makkhi aur pissoo nasht ho jate haian. koyale ka tel (kol aauyal) favvare ke roop mean jooan ka vinashak hai.
sankhiya (arsenik)
yah bahutayat se peris grin ke roop mean machchhar ke vinash ke lie pani ki satah par chhi daka jata hai. sodiyam arsinait ka vilayan kilani aur makkhiyoan ko marane mean upayogi hai. paeethrom ka choorn bhi achchha kitanashak hai aur bahutayat se prayukt kiya jata hai. yah dhatu, kap de aur rang ko kharab nahian karata. inake vilayan ka phuhar machchh d ka nash karane mean upayogi siddh hua hai.
di. di. ti.athava daikophen
yah shvet rang ke choorn ya chhote-chhote dane ke roop mean hota hai. isamean koee vishesh gandh nahian hoti. yah jal mean nahian ghulata, kiantu beanzin aur karban tetrakloraid mean turant ghul jata hai. ek bhag di. di. ti. pachas bhag ailakohal mean aur das bhag mitti ke tel athava aur kisi tel mean ghul jata hai. aj tak jitane bhi kitanashakoan ka avishkar hua hai, unamean di. di. ti. sabase adhik prabhavashali aur upayogi siddh hua hai. yah machchhar-makkhi, tilachatta, khatamal, pissoo, aur unake aandoan ko nasht karane ke liye tel ya jal mean vilayan ya payas banakar, athava sookha hi, sab prakar ke ki doan ka nash karane ke lie upayog mean laya jata hai. paanch pratishat di. di. ti mitti ke tel mean ghulakar prayukt kiya jata hai. isaki sabase b di visheshata yah hai ki isaka prabhav kee saptah tak bana rahata hai. jooan marane ke liye do pratishat di. di. ti. paryapt hai. yadi is ek bar sir mean laga diya jae aur kuchh samay tak bal n dhoe jae to jooan aur unake aande bachche samool nasht ho jate haian.[2]
gaimeksin
yah bhi tivratam kitanashak hai. yah shvet manibhiy choorn hota hai. isaka adha pratishat jal athava mitti ke tel mean ghulakar bahutayat se sab prakar ke ki de mako doan ko nasht karane ke lie prayukt hota hai. yah machchhar, nali, koo da, karakat, paans, kanpost adi ke ki doan ko marane ke kam mean ajakal pray: ata hai.
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tika tippani aur sandarbh
- ↑ Protoplasm
- ↑ 2.0 2.1 kitanashak (hindi) bharatakhoj. abhigaman tithi: 15 joon, 2014.
sanbandhit lekh
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