Okwu mmalite na ọrụ nke Plant auxin
Auxin bụ indole-3-acetic acid, nke nwere usoro molekul C10H9NO2. Ọ bụ hormone mbụ achọpụtara iji kwalite uto osisi. Okwu bekee sitere na okwu Grik auxein (to too).
Ngwaahịa dị ọcha nke indole-3-acetic acid bụ kristal na-acha ọcha ma bụrụ nke a na-esighị ike na mmiri. Na-agbaze ngwa ngwa na ihe mgbaze organic dị ka ethanol na ether. Ọ na-adị mfe oxidized wee ghọọ rose red n'okpuru ìhè, na physiological ọrụ na-ebelata. Indole-3-acetic acid dị n'ime osisi nwere ike ịnọ na steeti efu ma ọ bụ na steeti ejiri (jide). Nke ikpeazụ bụ ọtụtụ ester ma ọ bụ ogige peptide.
Ọdịnaya nke indole-3-acetic acid n'efu na osisi dị obere, ihe dịka 1-100 micrograms kwa kilogram nke ịdị arọ ọhụrụ. Ọ dịgasị iche dabere na ọnọdụ na ụdị anụ ahụ. Ọdịnaya dị n'anụ ahụ ma ọ bụ akụkụ ahụ na-eto nke ọma dị ka ebe na-eto eto na pollen dị obere.
Ọtụtụ osisi auxins na-ekerekwa òkè na nkewa cell na ọdịiche, mmepe mkpụrụ osisi, mgbọrọgwụ mgbọrọgwụ mgbe ị na-ewere cuttings na defoliation. Auxin kachasị mkpa na-emekarị bụ β-indole-3-acetic acid. Ndị na-ahazi uto ihe ọkụkụ na-arụ ọrụ nke ọma nwere mmetụta ndị yiri ya gụnyere brassinolide, cytokinin, gibberellin, Naphthalene acetic acid (NAA), DA-6, wdg.
Ọrụ nke Auxin bụ nke abụọ: ọ nwere ike ịkwalite uto na igbochi uto;
ọ nwere ike ma mee ngwa ngwa na igbochi germination; ọ nwere ike igbochi ifuru na mkpụrụ osisi na obere ifuru na mkpụrụ osisi. Nke a metụtara uche nke ntinye uche Auxin na akụkụ dị iche iche nke osisi ahụ. N'ikwu okwu n'ozuzu, mgbọrọgwụ osisi na-enwe mmetụta karịa buds karịa ị ga. Dicotyledons na-enwe mmetụta karịa monocots. Ya mere, auxin analogs dị ka 2-4D nwere ike iji dị ka herbicides. A na-eji ọdịdị ya nwere akụkụ abụọ, nke nwere ike ịkwalite uto, gbochie uto, na ọbụna gbuo osisi.
A na-egosipụta mmetụta na-akpali akpali nke Auxin n'akụkụ abụọ: nkwalite na mgbochi:
Auxin nwere mmetụta na-akwalite:
1. Nhazi nke ifuru nwanyi
2. Parthenocarpy, uto nke mgbidi ovary
3. Ihe dị iche iche nke ngwugwu vaskụla
4. Mgbasa nke akwụkwọ, nhazi mgbọrọgwụ n'akụkụ
5. Uto nke mkpụrụ osisi na mkpụrụ osisi, ọgwụgwọ ọnya
6. Ọchịchị apical, wdg.
Auxin nwere mmetụta inhibitory:
1. Ifuru abscission,
2. Mkpụrụ abscission, nwa akwukwo abscission, n'akụkụ alaka ibu,
3. Mkpọrọgwụ mgbọrọgwụ, wdg.
Mmetụta auxin na-eto eto na-adabere na ntinye nke auxin, ụdị osisi, na ihe ọkụkụ. metụtara akụkụ ahụ (mgbọrọgwụ, ị ga, buds, wdg). N'ikwu okwu n'ozuzu, obere ntinye uche nwere ike ịkwalite uto, ebe oke elu nwere ike igbochi uto ma ọ bụ ọbụna kpatara ọnwụ osisi. Osisi dicotyledonous na-enwe mmetụta na Auxin karịa osisi monocotyledonous; akụkụ vegetative na-enwe mmetụta karịa akụkụ ọmụmụ; mgbọrọgwụ na-enwe mmetụta nke ọma karịa buds, na buds na-enwe mmetụta karịa ị ga, wdg.
Ngwaahịa dị ọcha nke indole-3-acetic acid bụ kristal na-acha ọcha ma bụrụ nke a na-esighị ike na mmiri. Na-agbaze ngwa ngwa na ihe mgbaze organic dị ka ethanol na ether. Ọ na-adị mfe oxidized wee ghọọ rose red n'okpuru ìhè, na physiological ọrụ na-ebelata. Indole-3-acetic acid dị n'ime osisi nwere ike ịnọ na steeti efu ma ọ bụ na steeti ejiri (jide). Nke ikpeazụ bụ ọtụtụ ester ma ọ bụ ogige peptide.
Ọdịnaya nke indole-3-acetic acid n'efu na osisi dị obere, ihe dịka 1-100 micrograms kwa kilogram nke ịdị arọ ọhụrụ. Ọ dịgasị iche dabere na ọnọdụ na ụdị anụ ahụ. Ọdịnaya dị n'anụ ahụ ma ọ bụ akụkụ ahụ na-eto nke ọma dị ka ebe na-eto eto na pollen dị obere.
Ọtụtụ osisi auxins na-ekerekwa òkè na nkewa cell na ọdịiche, mmepe mkpụrụ osisi, mgbọrọgwụ mgbọrọgwụ mgbe ị na-ewere cuttings na defoliation. Auxin kachasị mkpa na-emekarị bụ β-indole-3-acetic acid. Ndị na-ahazi uto ihe ọkụkụ na-arụ ọrụ nke ọma nwere mmetụta ndị yiri ya gụnyere brassinolide, cytokinin, gibberellin, Naphthalene acetic acid (NAA), DA-6, wdg.
Ọrụ nke Auxin bụ nke abụọ: ọ nwere ike ịkwalite uto na igbochi uto;
ọ nwere ike ma mee ngwa ngwa na igbochi germination; ọ nwere ike igbochi ifuru na mkpụrụ osisi na obere ifuru na mkpụrụ osisi. Nke a metụtara uche nke ntinye uche Auxin na akụkụ dị iche iche nke osisi ahụ. N'ikwu okwu n'ozuzu, mgbọrọgwụ osisi na-enwe mmetụta karịa buds karịa ị ga. Dicotyledons na-enwe mmetụta karịa monocots. Ya mere, auxin analogs dị ka 2-4D nwere ike iji dị ka herbicides. A na-eji ọdịdị ya nwere akụkụ abụọ, nke nwere ike ịkwalite uto, gbochie uto, na ọbụna gbuo osisi.
A na-egosipụta mmetụta na-akpali akpali nke Auxin n'akụkụ abụọ: nkwalite na mgbochi:
Auxin nwere mmetụta na-akwalite:
1. Nhazi nke ifuru nwanyi
2. Parthenocarpy, uto nke mgbidi ovary
3. Ihe dị iche iche nke ngwugwu vaskụla
4. Mgbasa nke akwụkwọ, nhazi mgbọrọgwụ n'akụkụ
5. Uto nke mkpụrụ osisi na mkpụrụ osisi, ọgwụgwọ ọnya
6. Ọchịchị apical, wdg.
Auxin nwere mmetụta inhibitory:
1. Ifuru abscission,
2. Mkpụrụ abscission, nwa akwukwo abscission, n'akụkụ alaka ibu,
3. Mkpọrọgwụ mgbọrọgwụ, wdg.
Mmetụta auxin na-eto eto na-adabere na ntinye nke auxin, ụdị osisi, na ihe ọkụkụ. metụtara akụkụ ahụ (mgbọrọgwụ, ị ga, buds, wdg). N'ikwu okwu n'ozuzu, obere ntinye uche nwere ike ịkwalite uto, ebe oke elu nwere ike igbochi uto ma ọ bụ ọbụna kpatara ọnwụ osisi. Osisi dicotyledonous na-enwe mmetụta na Auxin karịa osisi monocotyledonous; akụkụ vegetative na-enwe mmetụta karịa akụkụ ọmụmụ; mgbọrọgwụ na-enwe mmetụta nke ọma karịa buds, na buds na-enwe mmetụta karịa ị ga, wdg.
