白肋煙新品種鄂煙4 號選育及其特征特性
Breeding of a new burley variety Eyan 4 and its characteristics
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摘要: 鄂煙4 號是1995 年育成的白肋煙雄性不育一代雜交種, 2004 年12 月通過全國煙草品種審定并定名推廣。該品種原煙顏色多為近紅黃,、紅黃, 光澤尚鮮明- 鮮明, 葉面平展- 微皺, 身份適中- 稍厚, 葉片結(jié)構(gòu)尚疏松, 外觀質(zhì)量良好,。主要化學(xué)成分適宜, 比例協(xié)調(diào)。原煙白肋煙香型特征較明顯, 香氣量尚足, 余味尚純凈, 質(zhì)量優(yōu)于對照,。據(jù)多年多點試驗示范結(jié)果, 平均產(chǎn)量為2 342.40 kg/ hm2,、產(chǎn)值12 173.40 元/ hm2、均價5.24 元/ kg, 分別比對照增加2.9%,、5.8%,、2.54%, 上等煙比例20.14%, 比對照提高2.65 個百分點。鄂煙4 號高抗TMV, 抗黑脛病, 中抗根結(jié)線蟲病,。Abstract: A new male- sterile hybrid burley variety Eyan 4 was developed in 1995 and passed the national tobacco evaluation in Dec. 2004. The cured leaves are mainly tannish red or red, with moderate to strong luster,smooth or slightly wrinkled lamina, adequate body, loose structure and harmonious chemical components. The type of aroma belongs to full burley delicacy with pure after taste. The results of multi- location trials for several years showed that the average yield, value, price were 2342.40 kg/hm2, 12173.40 yuan /hm2 and 5.24 yuan /kg respectively, 2.9%, 5.8% and 2.54% higher than the control variety Eyan 1. Eyan 4 showed high resistance to TMV, resistance to black shank, moderate resistance to root- knot nematode.