外源小球藻對(duì)干旱脅迫下烤煙幼苗生理特性的影響

打開文本圖片集

關(guān)鍵詞：小球藻；固氮；干旱；烤煙

doi：10.13304/j.nykjdb.2023.0797

中圖分類號(hào)：S572 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：1008-0864（2025）06-0064-08

Effect of Exogenous Chlorella vulgaris on Physiological Characteristics of Flue-cured Tobacco Seedlings UnderDroughtStress

ZOU Shenghao ，YUQiwei 28 ，HEShuai2，ZHANGXuewei3，MAQian2，MAGuanka 2 ，XI Feihu1， LUO Dongshengl，WANG Maoxian2*，LUO Zhenbao 2* ， JING Yanqiu1* （1.Colege ofTobacco，HenanAgriculturalUniversity，Zhengzhou450o2，China；2.GuizhouProvince Tobacco CompanyBiie City Company，Guizhou Bijie551799，China;3.China TobaccoGuangdong IndustrialCo.，Ltd.，，Guangzhou510599，China）

Abstract：To study theefect of exogenous Chlorellonphysiological characteristicsofflue-cured tobacco seedlings under drought stress，the tobacco variety‘Zhongyan1OO’was as the experimental material.The seedling of fluecured tobacco was sprayed water as control（CK），and treated withdrought（D），and was sprayed by5O（T1），100 （T2），15O times（T3）of Chlorellvulgaris on the basisof drought treatment.The physiological characteristics of flue-cured tobacco seedlings under diferent treatments were compared.The results showed that the application of Chlorella vulgaris increased the antioxidant enzymeactivity，soluble protein content，photosynthetic characteristics andchlorophyllcontent of tobacco，anddecreased thecontent of malondialdehyde and proline decreased.T1 treatment had the best efecton promoting growth and developmentof flue-cured tobacco under drought stress.In conclusion，theapplicationofChlorellvulgaris could effectivelyaleviatethe impactofdroughtstress onsedlingof flue-cured tobacco.

KeyWords：Chlorella vulgaris；nitrogen fixation；drought；flue-curedtobacco

微藻（microalgae）是一類能夠進(jìn)行光合自養(yǎng)的微生物，因其富含生物活性物質(zhì)、大量的氮磷元素及維生素、氨基酸等物質(zhì)被廣泛應(yīng)用于各種領(lǐng)域[-4，不僅能夠改善土壤水肥條件，還能直接提供植物生長(zhǎng)發(fā)育所需的營(yíng)養(yǎng)從而提高產(chǎn)量5，且能提供植物激素如生長(zhǎng)素、細(xì)胞分裂素等促進(jìn)植物生長(zhǎng)[6-8]。（剩余10622字）