Kamar wani yanayi daga wani fim mai ban tsoro, tsutsotsin tumatur na tumatir sun rufe kukan tsire-tsire na abinci na neman taimako yayin da suke cinye ganyen su. Wannan shine binciken ƙungiyar masu bincike da yawa, waɗanda suka ce sakamakon zai iya ba da haske game da iyawar tsire-tsire masu tsire-tsire-kamar tumatir da waken soya-don jure ƙarin damuwa kamar sauyin yanayi.
"Mun gano wata sabuwar dabarar da kwaro ke amfani da miyau don hana fitar da kariya daga iska ta hanyar yin amfani da stomata na shuka kai tsaye," in ji Gary Felton, farfesa kuma shugaban sashen nazarin halittu a jihar Penn, lura da cewa stomata ƙananan pores ne. a kan ganyen shuka da ke daidaita musayar iskar gas, gami da fitar da iska mai kariya daga shuka da carbon dioxide, tsakanin shuka da muhalli.
Musamman, masu binciken sunyi nazarin tasirin wani enzyme-glucose oxidase (GOX) - wanda ke faruwa a cikin ruwan tumatir na caterpillars (Helicoverpa zea) akan tsire-tsire masu tsire-tsire da tsire-tsire masu tsire-tsire, wanda ake kira herbivore-induced plant volatiles (HIPV).
"Ana tunanin HIV zai taimaka wajen kare tsire-tsire daga tsire-tsire masu tsire-tsire ta hanyar jawo hankalin abokan gaba na waɗannan herbivores da kuma faɗakar da tsire-tsire da ke makwabtaka da kasancewar herbivores a kusa," in ji Felton. "Saboda haka, rufewar stomatal yana da yuwuwar canza hulɗar tsakanin al'ummar shuka."
Karanta cikakken labarin a www.phys.org.
Lin, P.-A., Chen, Y., Chaverra-Rodriguez, D., Heu, CC, Zainuddin, NB, Sidhu, JS, Peiffer, M., Tan, C.-W., Helms, A., Kim, D., Ali, J., Rasgon, JL, Lynch, J., Anderson, CT da Felton, GW (2021), Silencing ƙararrawa: wani kwaro salivary enzyme rufe shuka stomata da kuma hana maras tabbas saki. Sabon Phytol. doi.org/10.1111/nph.17214