CN102415301A - Ccfl在植物栽培中的应用 - Google Patents
Ccfl在植物栽培中的应用 Download PDFInfo
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- CN102415301A CN102415301A CN2011102205619A CN201110220561A CN102415301A CN 102415301 A CN102415301 A CN 102415301A CN 2011102205619 A CN2011102205619 A CN 2011102205619A CN 201110220561 A CN201110220561 A CN 201110220561A CN 102415301 A CN102415301 A CN 102415301A
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- ccfl
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- plants
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Abstract
Description
CCFL在植物栽培中的应用
技术领域
[0001 ] 本发明涉及植物生长用的新型光源。 背景技术
[0002] 温室可以给植物创造一个容易控制的适宜小环境,尽可能使植物不受季节和环境的影响。温室栽培技术现在已经被广泛地应用在植物栽培的各个领域,例如在冬季我们仍然可以吃到新鲜的蔬菜,这就是利用温室进行反季节蔬菜栽培的结果。另外,采用温室栽培技术还可栽培不同纬度的植物,例如大多数植物园中都有温室栽培的各种观赏植物。
[0003] 长期以来温室植物生长多采用自然光,但由于温室结构及材料对太阳光照有损耗,或者由于季节原因使得日光照时间过短,因此常需要人工补光。目前常用的补光光源为普通荧光灯以及高压钠灯等。它们普遍存在寿命短、发热量大以及发光效率不理想等缺点。 并且,植物对这些光源的利用率低,50%以上的光照是无效光照,不能被植物有效利用,大大浪费了能源。
[0004] 冷阴极萤光灯管(Cold Cathode Fluorescent Lamp),简称CCFL,是一种新型的照明光源,CCFL灯管具有灯管细小、结构简单、灯管表面温升小、灯管表面亮度高、易加工成各种形状(直管形、L形、U型、环形等),使用寿命长、显色性好、发光均勻等优点,是当前 TFT-LCD(液晶屏)理想的光源,同时广泛应用于广告灯箱、扫描仪和背光源等用途上。然而,目前还没有发现将CCFL作为植物栽培用光源的应用。
发明内容
[0005] 本发明的目的在于提供CCFL在植物栽培中的应用。
[0006] 植物光合作用的波长范围主要集中在400nm到700nm之间。在光源的可见光谱中 380nm-760nm中,植物吸收的光约占生理辐射光的60% -65%,主要为610nm_720nm的红橙光和420-460nm的蓝光。
[0007] 发明人尝试通过不同红蓝光配比的CCFL灯管式排列组合来得到植物高效利用的光源。结果表明,采用红光与蓝光比为5〜8 : 2〜5,植物利用的效率较高,优选红光与蓝光比为6〜8 : 2〜4(常用为7/3;8/2;6/4)。光照强度控制在固定2000-4000勒克斯, 优选为固定3000-3700勒克斯。
[0008] 本发明中所述的红光是指波长为640nm的光波,所述蓝光为波长450nm的光波。
[0009] 本发明所述的CCFL在植物栽培中的应用,优选为在温室植物栽培中的应用,但不限于此,例如还可以作为露天植物栽培的补光的光源。
[0010] 本发明还提供一种用CCFL作为补光光源的植物栽培方法,该方法结合日光光谱和光照强度,通过控制CCFL的光照强度和红蓝光的配比,达到植物栽培的最佳光照。
[0011] 本发明还提供一种用于植物栽培的CCFL补光架,包括架体,在架体上端具有一个用于悬挂CCFL灯管的悬挂板,在所述悬挂板的下面悬挂有CCFL灯管。所述CCFL灯管与一控制器相连,所述控制器控制CCFL灯管的开关和光照强度。此外,所述悬挂板和/或CCFL灯管的高度可调,尤其是每只CCFL灯管的高度单独可调。
[0012] 本发明具有如下优点:
[0013] 1、由于CCFL相比传统光源,其光电转化率高,有效光照高,寿命长,因此可以节约能源,降低成本;
[0014] 2、由于CCFL体积小,为冷光源,不产生热量,因此可以缩短补光植物间的距离,提高补光效果,还可以提高单位面积的栽培量,从而提高空间利用率,此外,由于CCFL不产生热量,因此能降低基质蒸发干燥速度;
[0015] 3、可采用灯管形式的CCFL,不同红蓝光配比和白光可以满足不同植物的不同光源需求。有利于提高能源的利用。
附图说明
[0016] 图1显示的是粉花耧斗菜进行补光处理实验组和对照组的叶片数、株高及开花数目的统计结果;
[0017] 图2显示的是白花耧斗菜(Aquilegia vulgaris var. alba)进行补光处理实验组和对照组的叶片数、株高及开花数目的统计结果;
[0018] 图3显示的是蓝紫耧斗菜进行补光处理实验组和对照组的叶片数、株高及开花数目的统计结果;
[0019] 图4是CCFL培养架的结构示意图;
[0020] 图5是CCFL培养架悬挂板的结构示意图(仰视)。
[0021] 图中,1为架体,2为悬挂板,3为CCFL灯管。
具体实施方式
[0022] 以下实施例进一步说明本发明的内容,但不应理解为对本发明的限制。在不背离本发明精神和实质的情况下,对本发明方法、步骤或条件所作的修改或替换,均属于本发明的范围。
[0023] 若未特别指明,实施例中所用的技术手段为本领域技术人员所熟知的常规手段。
[0024] 实施例1耧斗菜CCFL光源促成栽培试验
[0025] 1.材料与方法
[0026] 以CCEL作为补光光源,在温室内对白花、粉花、蓝紫三个耧斗菜品种(购自东升种业公司)于2009年2月14日至4月14日进行补光试验,光强为25001ux,补光时间为每天的18 : 00到翌日08 : 00,设置对照,三次重复,随机将植物材料排放于光源下,每15天测量其叶片数、株高、开花时间及开花数目,计算净生长量。
[0027] 2.结果与分析
[0028] 分别统计白花耧斗菜、粉花耧斗菜、蓝紫耧斗菜以及它们各自对照的叶片数、株高、开花时间及开花数目,结果分别如表1和表2 (图1〜3)所示:
[0029] 表1补光处理组的统计结果
[0032]
[0033] 从图中可以看出,三种植物材料处理后的叶片数、株高、开花数的净生长量的增加显著高于对照组。另外,粉花耧斗菜补光处理30天后出现3个花蕾,35天后开花旺盛,每株花量平均12朵,而对照在40天后才刚刚现蕾,花量平均7朵,花期提前10天左右,每株开花量也有显著增加,提前了花期的同时改善了观赏品质。在白花耧斗菜和蓝紫耧斗菜中也有不同程度的花期提前。
[0034] 按照上述方法,以萱草、黄花菜和萱草的栽培品种‘金娃娃’作为实验对象,结果表明采用CCFL补光比没有补光的对照植株提前30天开花。以细叶百合、朝鲜百合、卷丹和栽培的亚洲百合品种作为实验对象,结果表明CCFL补光比没有补光的对照植株提前30天开花。
[0035] 实施例2 CCFL补光架
[0036] 如图4和5所示,本发明一种用于植物栽培的CCFL补光架,包括架体1,在架体1 上端具有一用于悬挂CCFL灯管的悬挂板2,在所述悬挂板的下面悬挂有若干个CCFL灯管 3。所述CCFL灯管3与一控制器相连,所述控制器控制CCFL灯管3的开关和光照强度。
[0037] 此外,所述悬挂板的高度可调,可以调整悬挂板在架体上的高度,或者调整架体的高度,实现悬挂板高度的调整,另外,每个CCFL灯管的高度亦可以调整。
[0038] 因为CCFL是冷光源因此可以距离植物很近,不会灼伤植物。补光架子的高度是可调的。每只CCFL灯的高度也是可以根据植物的高度调节的。不仅可以从正面对植物补光还可以从它的侧面进行补光。
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