A cikin shekaru goma da suka gabata, hasken LED ya sami sha'awa mai yawa a matsayin tushen ƙarin haske mai ƙarfi a cikin lambunan lambun lambu wanda zai iya canzawa cikin sauri cikin ƙarfi da abun gani. Abubuwan da ke ba da kyan gani ba wai kawai yana shafar ilimin ilimin halittar amfanin gona ba amma kuma yana iya shafar ilimin halittu na ƙwayoyin cuta, kwari, da maƙiyansu na halitta, duka kai tsaye da a kaikaice ta hanyar tasiri akan juriyar shuka.
Wani bincike na baya-bayan nan na Sashin Kasuwancin Greenhouse Horticulture, Jami'ar Wageningen & Bincike, yayi bincike akan tasirin bakan haske a kan tushen hasken rana akan girma da haɓakar Solanum melongena. Wadannan tasirin sun kasance masu alaƙa da tasirin gani akan kafa yawan jama'a na mite Amblyseius swirskii da juriya na shuka akan naman gwari na biotrophic powdery mildew, necrotrophic naman gwari botrytis, da herbivorous arthropod Western flower thrips.
An yi nazarin tasirin raguwar ja/ja mai nisa (R:FR) a ƙarƙashin ma'auni biyu na ja zuwa haske shuɗi. Haske mai ja mai nisa ko dai an bayar da shi ga ma'aunin photon flux density (PPFD) ko kuma an maye gurbinsa da PPFD a wani bangare, yayin da yake kiyaye jimlar photon flux density (PFD). An gwada tasirin farin haske ko ƙarin hasken UV-B akan juriyar shuka, idan aka kwatanta da ma'anar (5% blue, 5% green, da 90% jan haske). Halittar tsire-tsire a lokacin ciyayi ya ƙaru lokacin da aka ba da ƙarin haske-ja mai nisa. Tsawon tushe ya ƙaru tare da ja mai nisa, ba tare da la'akari da PPFD da adadin shuɗi ba.
A cikin lokacin haɓakawa, jimillar harbin biomass da sabbin nau'ikan 'ya'yan itace sun kasance mafi girma a ƙarƙashin ƙarin haske-ja mai nisa, sannan jiyya inda ja-jaja mai nisa ya maye gurbin PPFD. Nisa-ja haske ƙara biomass partitioning cikin 'ya'yan itatuwa, a kudi na ganye. Babu bambance-bambance a cikin ci gaban yawan jama'a na mites na A. swirskii tsakanin jiyya masu haske, kuma ba su da tasiri a kan rarrabawar wadannan mites na dabbobi a cikin tsire-tsire.
Jiyya tare da ƙarin haske mai nisa ya rage yawan kamuwa da cutar mildew powdery, amma ƙara kamuwa da cutar botrytis. Waɗannan bambance-bambancen na iya kasancewa saboda kariyar shuka da ke aiki da waɗannan ƙwayoyin cuta waɗanda ke tasowa daga hanyoyin ka'idoji guda biyu daban-daban. Waɗannan sakamakon sun nuna cewa ingantattun tasirin sauye-sauyen abubuwan da aka canza a kan martanin ilimin lissafi an sami ramawa kaɗan kawai ta hanyar haɓakawa ga ƙwayoyin cuta na fungal, wanda ke ba da hangen nesa don ci gaba mai dorewa na lambun lambu.
Karanta cikakken bincike akan www.frontiersint.org.
Anja Dieleman J, Marjolein Kruidhof H, Weerheim K da Leiss K (2021) Dabarun Hasken LED suna shafar ilimin halittar jiki da juriya ga ƙwayoyin cuta da kwari a cikin Eggplant (Solanum melongena L.). Gaba. Shuka Sci. 11:610046. doi: 10.3389/fpls.2020.610046