膜间喷施二甲戊灵对谷子幼苗叶片光合特性的影响
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摘要
以张杂谷10号、晋谷21号为研究对象,在山西省太谷县申奉村试验田进行试验,在膜间进行3,6,9,12 L/hm~2等4个剂量的二甲戊灵处理,期间测定了倒二叶的光合色素含量、气孔导度、净光合速率(Pn)、胞间CO_2浓度(Ci)和蒸腾速率(Tr)。结果显示,施用二甲戊灵后,2种谷子幼苗叶片的光合特性参数均产生了不同程度的动态变化,3～9 L/hm~2剂量膜间喷施后,2个品种谷子叶片净光合速率均下降,除张杂谷10号的6 L/hm~2处理与CK间差异显著外,其余剂量与CK间无显著差异,9～12 L/hm~2剂量均对2个品种谷子的净光合速率产生影响。综上所述,膜间喷施二甲戊灵剂量在3～9 L/hm~2时可在张杂谷10号、晋谷21号谷田使用,二甲戊灵剂量>9 L/hm~2时对谷子的光合特性有明显的抑制作用。
In this paper, Zhangzagu 10 and Jingu 21 were taken as research objects, experiment was carried out in experimental field of Shenfeng village, Taigu county, Shanxi province. 3,6,9,12 L/hm~2 of Pendimethalin treatments were carried out between membranes. Photosynthetic pigment content, stomatal conductance, net photosynthetic rate(Pn), intercellular CO_2 concentration(Ci)and transpiration rate(Tr)were measured. The results showed that the photosynthetic characteristic parameters of the two millet seedlings changed in varying degrees after the application of Pendimethalin, and the net photosynthetic rate of the two millet varieties decreased after spraying with treatment of 3-9 L/hm~2, there was no significant difference between the other doses and CK except for the 6 L/hm~2 treatment of Zhangzagu 10 and CK. The treatment of 9-12 L/hm~2 had an effect on the net photosynthetic rate of two varieties of millet. In summary, when the treatment of Pendimethalin sprayed between the membranes is 3-9 L/hm~2, it can be used in Zhangzagu 10 and Jingu21 fields. The treatment of Pendimethalin>9 L/hm~2 has obvious inhibitory effect on the photosynthetic characteristics of millet.
In this paper, Zhangzagu 10 and Jingu 21 were taken as research objects, experiment was carried out in experimental field of Shenfeng village, Taigu county, Shanxi province. 3,6,9,12 L/hm~2 of Pendimethalin treatments were carried out between membranes. Photosynthetic pigment content, stomatal conductance, net photosynthetic rate(Pn), intercellular CO_2 concentration(Ci)and transpiration rate(Tr)were measured. The results showed that the photosynthetic characteristic parameters of the two millet seedlings changed in varying degrees after the application of Pendimethalin, and the net photosynthetic rate of the two millet varieties decreased after spraying with treatment of 3-9 L/hm~2, there was no significant difference between the other doses and CK except for the 6 L/hm~2 treatment of Zhangzagu 10 and CK. The treatment of 9-12 L/hm~2 had an effect on the net photosynthetic rate of two varieties of millet. In summary, when the treatment of Pendimethalin sprayed between the membranes is 3-9 L/hm~2, it can be used in Zhangzagu 10 and Jingu21 fields. The treatment of Pendimethalin>9 L/hm~2 has obvious inhibitory effect on the photosynthetic characteristics of millet.
引文
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[18]王艳杰,薛达元,彭羽.盐碱胁迫对两个葡萄品种光合作用-光响应特性的影响[J].北方园艺,2011(16):30-36.
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[20]杨艳君,王宏富,郭平毅,等.施肥和密度对张杂谷5号光合特性及产量的影响[J].植物营养与肥料学报,2013,19(3):566-576.
[2]徐心志,代小冬,杨育峰,等.盐胁迫对谷子幼苗生长及光合特性的影响[J].河南农业科学,2016,45(10):24-28.
[3]许琦,李建兵,侯振宇,等.我国谷子产业产销研状况调查研究[J].现代农业科技,2013(4):18-20,22.
[4]赵凯,马建萍,独俊娥,等. 4种谷田除草剂的安全性评价[J].山西农业科学,2018,46(6):1009-1012,1052.
[5]周汉章,侯升林,宋银芳,等.谷田单子叶杂草对谷子产量损失的影响[J].中国农学通报,2013,29(12):179-184.
[6]李秀杰,职倩倩,王守国,等.大葱田不同时期杂草防治技术研究[J].河南农业科学,2017,46(11):87-92.
[7]梁志刚,王宏富.不同除草剂对谷子田杂草的防除效果[J].太原科技,2008(1):50-51,57.
[8]曹晓宁,王君杰,刘思辰,等.二甲四氯钠不同用量对谷子田间杂草的防除效果[J].山西农业科学,2016,44(8):1172-1174,1191.
[9]段胜军,李顺国,全建章,等.谷田除草剂谷草灵应用技术研究[J].河北农业科学,2004(2):104-106.
[10]王燕,李蒙英,曲军辉,等.二甲戊灵胁迫对伊乐藻生理特性的影响[J].天津农业科学,2018,24(7):10-14.
[11]华乃震.旱地除草剂二甲戊灵的剂型、应用和市场[J].现代农药,2015(4):1-4.
[12]柴文杰.影响土壤处理除草剂二甲戊灵药效的因素[D].石河子:石河子大学,2018.
[13]高俊凤.植物生理学实验指导[M].北京:高等教育出版社,2006.
[14]李晶晶,尹钧,李武超,等.不同水氮运筹对冬小麦光合特性和产量的影响[J].河南农业科学,2017,46(5):27-33.
[15]王宏伟,闫旭宇,李玲.不同浓度的五种除草剂对枣树叶绿素含量的影响[J].安徽农学通报,2007,13(10):124-125.
[16]孟长军,赵银萍,杜喜春,等.水杨酸对铝胁迫下白苦瓜幼苗光合特性的影响[J].山西农业科学,2018,46(8):1274-1278.
[17]杨建昌,彭少兵,顾世粱,等.水稻结实期籽粒和根系中玉米素与玉米素核苷含量的变化及其与籽粒充实的关系[J].作物学报,2001,27(1):35-42.
[18]王艳杰,薛达元,彭羽.盐碱胁迫对两个葡萄品种光合作用-光响应特性的影响[J].北方园艺,2011(16):30-36.
[19]吴光耀,邓岳芬,卢崇恩,等.谷子生长过程中光合特性的变化[J].植物生理学报,1982(2):111-116.
[20]杨艳君,王宏富,郭平毅,等.施肥和密度对张杂谷5号光合特性及产量的影响[J].植物营养与肥料学报,2013,19(3):566-576.