農(nóng)學(xué)畢業(yè)論文 不同玉米品種的根系活力與產(chǎn)量性狀關(guān)系

1、農(nóng)學(xué)院本科生畢業(yè)論文 農(nóng)學(xué)院本科生畢業(yè)論文北京農(nóng)業(yè)大學(xué) 北京農(nóng)業(yè)大學(xué)題 目： 目：不同玉米品種的根系活力與產(chǎn)量性狀關(guān)系 不同玉米品種的根系活力與產(chǎn)量性狀關(guān)系 學(xué)生姓名： 學(xué)生姓名：______________ ________________ __ ______________________ ______________________專業(yè)班級： 專業(yè)班級：________________ ________________

2、 _____________________ _____________________學(xué) 號 __________ _____________ ___ ____ ____ _____________ _____________指導(dǎo)教師： 指導(dǎo)教師：_______________ _______________ _ ______________________ ______________

3、________指導(dǎo)教師職稱 指導(dǎo)教師職稱:______________ :______________ _____________________ _____________________2011 2011 年 7 月2不同玉米品種的根系活力與產(chǎn)量性狀關(guān)系的初步研究農(nóng)學(xué)與生物技術(shù)專業(yè)學(xué)生 向明星指導(dǎo)老師 李彥嶺中文摘要：通過甲烯藍(lán)吸附測定法研究不同玉米品種根系活力與產(chǎn)量性狀之間的關(guān)系。并分析了不同玉米品種

4、在種子發(fā)芽率、千粒重和幼苗時期的苗高、莖粗、根條數(shù)、苗鮮重、根鮮重、根系活力等苗期幼苗性狀以及收獲時期的產(chǎn)量性狀和株高、穗位高度、單株綠葉數(shù)等植株性狀進(jìn)行了初步研究。結(jié)果表明：玉米的根系活力與產(chǎn)量關(guān)系成正相關(guān)；玉米的根條數(shù)、主根長度、根鮮重、根體積等性狀與產(chǎn)量有一定的關(guān)系。 關(guān)鍵詞：玉米品種；根系活力；產(chǎn)量關(guān)系。The Preliminary research on the relationship between different

5、 species Maize root vigor and yield traitsStudent majoring in Agricultural Science XiangMingxingTutor LiYanlingAbstract：Trough the methylene blue assay Research the relationship between maize root

6、activity and the yield traits. Analyzed the different maize varieties in the seed germination rate, grain weight. and seedlings period of seedling height, stem diameter, root number, seedling fresh weight, root fresh wei

7、ght, root activity and other seedling traits, And harvest period of Yield Characters and plant height, ear height, number of green leaves per plant and other plant traits were studied. The results showed that: the root a

8、ctivity and yield of maize was positively correlated relationship; Maize root number, root length, root fresh weight, root volume and other traits with Yield have a certain relationship.Key words: Maize; root activity; p