CN113180057A - 抗病促产的谷子复合拌种剂及其制备方法 - Google Patents

抗病促产的谷子复合拌种剂及其制备方法 Download PDF

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CN113180057A
CN113180057A CN202110315875.0A CN202110315875A CN113180057A CN 113180057 A CN113180057 A CN 113180057A CN 202110315875 A CN202110315875 A CN 202110315875A CN 113180057 A CN113180057 A CN 113180057A
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李君霞
朱灿灿
代书桃
宋迎辉
秦娜
王春义
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Institute Of Grain Crop Henan Academy Of Agricultural Sciences
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Abstract

本发明公开了一种抗病促产的谷子复合拌种剂及其制备方法,旨在解决当前谷子拌种防治效果单一且易对谷子生长发育产生不良影响的技术问题。该谷子复合拌种剂的主要有效成分由精甲霜灵、辛硫磷、氯化钙、赤霉素GA3按100~110:115~125:140~300:0.25~0.60的质量比组成。本发明谷子复合拌种剂集杀菌、杀虫、营养为一体,能够防治谷子主要病虫害,并促进谷种出苗及壮苗,进而实现增产。

Description

抗病促产的谷子复合拌种剂及其制备方法
技术领域
本发明涉及谷物种植技术领域,具体涉及一种抗病促产的谷子复合拌种剂及其制备方法。
背景技术
谷子(Setaria italica)属禾本科的一种植物,古称稷、粟,亦称粱。谷子是我国一种古老的农作物,历史上曾遍布全国各地。《诗经·国风》中“硕鼠硕鼠,无食我黍”的诗句反映出谷黍在当时作为主粮的事实。中国几千年以农立国,稷神崇拜和祭祀之风相延。对稷的崇拜经历了“稷官-后稷-稷神”的演变,古代稷神与社神祭祀往往并提,“社稷”成为国家的象征。
谷粒极具营养价值,含丰富的蛋白质和脂肪和维生素,以及钙、铁、硒等矿物质成分。谷子不仅可供食用,还可入药,有清热、清渴,滋阴,补脾肾和肠胃,利小便、治水泻等功效,又可酿酒。经常食用谷子能起到降血压、防治消化不良、补血健脑、安眠等功效,还能减轻皱纹、色斑、色素沉积,有美容的作用。
当前,谷子是我国北方重要杂粮作物之一,近年来随着人们生活质量的提高,谷子种植面积有所增加,但病害的控制尚未引起重视。在谷子的生长过程中,存在着被各种病菌侵害的风险,谷子病虫害不仅是导致谷子减产的重要因素之一,而且影响其产量和品质。如何防治谷子病虫害是亟待解决的问题。
近几年关于通过药剂拌种防治谷子病虫害的报道较多,但多为单一成品药剂,而且现有的药剂拌种对谷子的生长发育也造成了不良的影响。
发明内容
本发明旨在提供一种抗病促产的谷子复合拌种剂及其制备方法,以解决当前谷子拌种防治效果单一、且易对谷子生长发育产生不良影响的技术问题。
为解决上述技术问题,本发明采用如下技术方案:
设计一种抗病促产的谷子复合拌种剂,其有效成分由精甲霜灵、辛硫磷、氯化钙、赤霉素GA3 按100~110:115~125:140~300:0.25~0.60的质量比组成。
以1L计,所述谷子复合拌种剂可由以下原料制成:
350g/L精甲霜灵乳剂286~314ml、400g/L辛硫磷乳油288~310ml、CaCl2 140~300g、200g/kg赤霉素可湿性粉剂1.4~3.0g,余量为水。
所述抗病促产的谷子复合拌种剂的制备方法,包括如下步骤:
(1)按上述有效成分配比配置精甲霜灵乳剂、辛硫磷乳油、氯化钙、赤霉素可湿性粉剂;
(2)先将氯化钙溶于水中配制成溶液,再加入赤霉素可湿性粉剂、精甲霜灵乳剂后搅拌均匀;
(3)然后加入辛硫磷乳油搅拌均匀,加水调节至需要的浓度即成。
所述抗病促产的谷子复合拌种剂的制备方法,包括如下步骤:
(1)以1L计,配置350g/L精甲霜灵乳剂286~314ml、400g/L辛硫磷乳油288~310ml、CaCl2 140~300g、200g/kg赤霉素可湿性粉剂1.4~3.0g;
(2)先将氯化钙溶于水中配制成溶液,再加入赤霉素可湿性粉剂、精甲霜灵乳剂后搅拌均匀;
(3)然后加入辛硫磷乳油搅拌均匀,加水至1L,混合均匀即成。
与现有技术相比,本发明的主要有益技术效果在于:
本发明谷子复合拌种剂集杀菌、杀虫、营养为一体,能够防治谷子主要病虫害,促进种子的萌发和根系的生长,提高出苗率和抗逆性,增加穗重和穗粒重,进而提高谷子产量。
附图说明
图1为各拌种处理对谷子幼苗生长的影响对比图。
具体实施方式
下面结合实施例来说明本发明的具体实施方式,但以下实施例只是用来详细说明本发明,并不以任何方式限制本发明的范围。
在以下实施例中涉及如下品种及试剂:
供试品种:豫谷18、豫谷29。
供试试剂:350g/L精甲霜灵种子处理乳剂(金阿普隆,瑞士先正达作物保护有限公司)为内吸性苯胺类化合物;400g/L辛硫磷乳油(山东埃森化学有限公司);200g/kg赤霉素可湿性粉剂(中科化工)。
其它无特别说明的原料或方法,均为常规原料或方法。
实施例一:抗病促产的谷子复合拌种剂应用效果验证
1. 拌种处理
设计了4种不同的拌种剂复配方案(表1),将混配后的本发明拌种剂加入清水稀释至10ml与1kg精选后的种子充分拌匀、晾干;同时以10ml清水拌种为对照。
表1 不同的拌种剂复配试验处理
Figure 200283DEST_PATH_IMAGE001
2. 室内萌发培养
将各拌种处理谷子种子置于铺有滤纸的培养皿中,加入10ml蒸馏水。置于恒温培养箱黑暗25℃催芽,每处理100粒种子,3次重复。每3天换1次滤纸。每2天记录1次发芽情况,以胚根突破种皮0.5cm为发芽标准,直至第8天。并在第4天调查发芽势,第8天调查发芽率,取5株完整的谷子幼苗,用水冲净后小心拉直,用直尺测量幼苗的芽长和根长。
发芽率( % ) = N0 /N × 100% ;式中,N0为发芽终期全部发芽的种子数;N为供试种子数。
发芽势( % ) = N4 / N × 100% ;式中,N4为种子发芽第4天的正常发芽种子数;N 为供试种子数。
试验结果如表2、表3所示。
(1)复配拌种剂对谷子发芽的影响
从表2可以看出,拌种处理后豫谷29的发芽势表现为T2> CK>T3>>T1,发芽率表现为T2>CK >T3>T1。豫谷18的发芽势表现为T2>CK>T3>T1,发芽率表现为T2> CK>T3>T1。
从分析结果可以看出,仅用农药精甲霜灵、辛硫磷拌种的T1处理发芽势和发芽率均低于CK,说明农药在拌种过程中由于药害及机械损伤等原因会造成种子发芽率降低。
在加入GA3和CaCl2之后,低剂量处理T2较T1和CK,均提高了种子的发芽势和发芽率;而高剂量处理T3较T1,提高了种子发芽势和发芽率,但发芽势和发芽率均未达到CK的水平。
表2 复配拌种剂对谷子发芽势和发芽率的影响
Figure 586265DEST_PATH_IMAGE003
[注] 新复极差测验,5%显著差异水平,以下各表同。
(2)复配拌种剂对谷子幼苗生长的影响
表3 复配拌种剂对谷子幼苗生长的影响
Figure DEST_PATH_IMAGE004
从表3中可以看出,豫谷29的苗长表现为T2 >T3>CK>T1,苗鲜重表现为T2>CK>T3>T1,根长表现为T2>T3>CK>T1,根鲜重表现为T2> CK >T3>T1。豫谷18的苗长表现为T2>T3>CK>T1,苗鲜重表现为T2>CK>T3>T1,根长表现为T2> CK>T3>T1,根鲜重表现为T2>CK>T3>T1。
由图1可以看出,T1处理幼苗长势较弱。苗长、苗鲜重、根长和根鲜重均低于CK,说明拌种药剂在种子萌发过程中会抑制幼苗的生长。
在加入GA3和CaCl2之后,低剂量处理T2较T1和CK,均提高了苗长、苗鲜重、根长和根鲜重;而高剂量处理T3较T1,苗长、苗鲜重、根长和根鲜重均有提高,且豫谷29的苗长和根长超过CK,豫谷18的苗长超过CK。
3. 田间病虫害发生情况及产量性状调查
2020年6月20日将各拌种处理谷子种子播种于河南省现代农业研究开发基地试验田进行田间试验,播量0.5kg/666.7m2,行距0.4m,行长5m,每小区10行,小区面积20m2,3-4叶期人工间苗,5-6叶期定苗。留苗密度4.0万株/666.7m2,田间试验采用随机区组排列,3次重复。
试验各小区整个生育期内不再进行病虫害防治;及时进行锄草、浇水、追肥等项田间管理。成熟时调查株高、穗长、穗粗、单穗重、穗粒重等。2020年9月22日收获,收获时去掉两侧边行(两侧各1行),收中间8行计产。
田间病虫害发生情况调查按如下标准进行:
纹枯病:于灌浆中后期调查,分为五级,分别以0、1、2、3、4表示。
0级:无发病症状(高抗);
1级:主茎茎部1-2片叶叶鞘有轮纹状病斑(抗);
2级:主茎地上部3-5片叶叶鞘有轮纹状病斑(中抗);
3级:主茎地上部6片叶以上叶鞘有轮纹状病斑(感);
4级:全株叶鞘均出现轮纹状病斑(重感)。
白发病、线虫病:均以病株率表示。
病株率(%)=发病茎数÷取样茎数×100。
试验结果如表4、表5所示。
(1)复配拌种剂对谷子田间病虫害发生的影响
表4 复配拌种剂对谷子田间病虫害发生的影响
Figure 287374DEST_PATH_IMAGE005
从表4可以看出,复配拌种剂拌种后,3种处理的白发病和线虫病发病率均低于对照,由于本地区纹枯病发病较少,各处理及CK均未发病。
(2)复配拌种剂对谷子产量及相关性状的影响
表5 复配拌种剂对谷子产量及相关性状的影响
Figure DEST_PATH_IMAGE006
由表5可以看出,3种处理的产量均高于CK,豫谷29的T2、T3处理比CK增产显著,豫谷18的T1、T2、T3处理比CK增产显著。
豫谷29的穗重表现为T2>>T3>T1>CK,其中T2显著大于CK;豫谷18的穗重表现为T2>T1>T3>CK。豫谷29的穗粒重表现为T2>T3>T1>CK,其中T2显著大于CK;豫谷18的穗粒重表现为T2>T1>T3>CK,其中T2、T1均显著大于CK。
综合室内发芽试验及大田试验结果,豫谷29的T2处理发芽势、发芽率、穗重、穗粒重最大;豫谷18的T2 处理苗长最长。
试验结果显示,本发明拌种剂处理可以增强谷子的抗病性,增加穗重和穗粒重,提高谷子产量,但仅用农药精甲霜灵、辛硫磷的T1处理由于机械损伤及种皮受药剂刺激等原因,种子发芽势和发芽率均受到影响。T2处理加入适宜浓度的GA3+CaCl2,能提高种子的发芽势和发芽率,促进幼苗的生长。
上面结合实施例对本发明作了详细的说明,但是,所属技术领域的技术人员能够理解,在不脱离本发明构思的前提下,还可以对上述实施例中的各个具体参数进行变更,或者是对相关步骤、方法及试剂原料进行等同替代,从而形成多个具体的实施例,均为本发明的常见变化范围,在此不再一一详述。

Claims (4)

1.一种抗病促产的谷子复合拌种剂,其特征在于,其有效成分由精甲霜灵、辛硫磷、氯化钙、赤霉素GA3 按100~110:115~125:140~300:0.25~0.60的质量比组成。
2.根据权利要求1所述的抗病促产的谷子复合拌种剂,其特征在于,以1L计,由以下 原料制成:
350g/L精甲霜灵乳剂286~314ml、400g/L辛硫磷乳油288~310ml、CaCl2 140~300g、200g/kg赤霉素可湿性粉剂1.4~3.0g,余量为水。
3.权利要求1所述抗病促产的谷子复合拌种剂的制备方法,包括如下步骤:
(1)按权利要求1所述有效成分配比配置精甲霜灵乳剂、辛硫磷乳油、氯化钙、赤霉素可湿性粉剂;
(2)先将氯化钙溶于水中配制成溶液,再加入赤霉素可湿性粉剂、精甲霜灵乳剂后搅拌均匀;
(3)然后加入辛硫磷乳油搅拌均匀,加水调节至需要的浓度即成。
4.根据权利要求3所述抗病促产的谷子复合拌种剂的制备方法,包括如下步骤:
(1)以1L计,配置350g/L精甲霜灵乳剂286~314ml、400g/L辛硫磷乳油288~310ml、CaCl2 140~300g、200g/kg赤霉素可湿性粉剂1.4~3.0g;
(2)先将氯化钙溶于水中配制成溶液,再加入赤霉素可湿性粉剂、精甲霜灵乳剂后搅拌均匀;
(3)然后加入辛硫磷乳油搅拌均匀,加水至1L,混合均匀即成。
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