UV-B辐射强度变化对烤烟光合生理和化学品质的影响.pdfVIP

of 2014焦 中国农业气象(ChineseJournal Agrometeorology) doi：10．3969／j．issn．1000—6362．2014．03．003 ：、 UV-B辐射强度变化对烤烟光合生理和化学品质的影响+ 王娟1，王毅2，陈宗瑜h+，宋鹏飞2 (1．云南农业大学农学与生物技术学院，昆明650201；2．红塔集团技术中心，玉溪653100) B辐射还可促进烟叶化学成分的协调性，最终提高烟叶化学品质。研究结果可为正确评估uV．B辐射对烟草种 植的潜在影响提供一定理论依据。 关键词：UV—B辐射；烤烟；模拟试验；光合生理；化学品质：生态适应 Effects ofUV-BRadiation VariationonTobacco Intensity Photosynthetic andChemical Quality WANG Juanl，WANG Yi2，CHENZong-yul，SoNGPeng-fei2 of and Centerof (1．CollegeAgronomyBiotechnology，YunnanAgricultural University，Kunming HongtaGroup，Yuxi653100) UV-B radiation inthelowlatitude ofYunnantobaccoareahas on Abstract：The effectsthe intensity plateau important formation oftobaccoand revealtheeffectsofUV—Bradiation variationon yield quality．To intensity characteristicsand chemicaloftobacco simulated wasconducted quality K326，the experiment bysetting levelas thenaturalenvironmentasthe 0．252(T0)，0．526(T1)，0．571(T2)and0．616(T3)mW·cm～，taking resultsshowedthat andGsofK326was influencedUV．Bradiation control(CK)．The Pn，Tr greatly by intensity．UV． B thecontentsof andcarotenoidi