Effect of Spraying Methyl JasmonateDuring Heading Date on Floret Opening Time and Plant Type of japonica Rice from Different Ecological Areas

doi:10.16819/j.1001-7216.2021.0516

Abstract

Abstract:

：【Objective】This work tends to clarify the effect of MeJAspraying on floret opening time and plant type of japonica rice from diverse ecological areas and lay a scientific basis for utilizing MeJA to regulate the floret opening time of hybrid parents, increase seed production of intersubspecies hybrid rice【Method】Thirty fivejaponica rice cultivars from diverse ecological areas were used as test materials and subjected to different concentrations of MeJA treatment during heading date. Difference in response to MeJA exposure of the tested materials and its effect on plant type traits were analyzed.【Result】MeJA spraying had a significant promoting effect on the floret opening time of japonica rice from different ecological areas. Compared with the control, the floret opening time of japonica rice treated with different concentrations of MeJA was significantly advanced on the first day after treatment.With the rising MeJA concentration, the initial flowering time, full flowering time, and terminal flowering time of japonica rice were significantly advanced. The duration from initial flowering to full flowering, duration from initial flowering to terminal flowering were significantly shortened, duration from full flowering to terminal flowering was significantly extended. On the second and third days after treatment, MeJA spraying was out of function quickly. Flowering could be found under low concentration MeJA treatment and it was opposite under high- and medium-concentration MeJA treatment. Japonica rice cultivars from different ecological areas showed different sensitivity to MeJA regulation. The japonica rice cultivars from Liaoning rice growing region are the most sensitive in the floret opening time and those from the third accumulated temperature zone of Heilongjiang Province was the least sensitive. MeJA spraying exerted a significant effect on the plant type traits of japonica rice. Plant height and panicle curvature were significantly decreased with the increase of MeJA concentration as compared with the control. The length of the flag leaf and the second leaf from the top increased with the increasing MeJA concentration.【Conclusion】MeJA has significant promoting effect on the floret opening traits of japonica rice from different ecological areas. MeJA regulation has more obvious effect on early flowering with the rising concentration of MeJA. With the increase of MeJA concentration, the sensitivity of japonica rice to MeJAd differs. MeJA has a certain effect on plant type traits of japonica rice. Plant height, panicle curvaturesignificantly decrease with the increase of MeJA concentration. MeJA spraying exerts no significant effect on other plant type traits.

Key words: japonica rice, ecological area, methyl jasmonate, flowering time, plant type

摘要： 目的研究不同浓度MeJA调控不同生态区育成的粳稻品种花时性状的效果及其对株型性状的影响,为利用MeJA调控杂交亲本的花时,提高亚种间杂交稻的制种产量提供科学依据。方法以来自不同生态区的35份粳稻品种为试材,于抽穗开花期喷施不同浓度的MeJA,调查不同生态区育成的粳稻品种对MeJA响应的差异及其对株型性状的影响。【结果】MeJA对不同生态区的粳稻花时性状均有显著的促进效应。与对照相比,处理后第一天,不同浓度MeJA处理下粳稻开花时间均显著提前,且随着MeJA浓度的升高,粳稻始花、盛花、终花均显著提前,始-盛持续时间、始-终持续时间均显著缩短。处理后第二天、第三天,MeJA调控效应快速消失,低浓度处理下始终有开花现象,高浓度、中浓度处理下无开花现象。不同生态区粳稻品种对MeJA调控的敏感性不同,其中,辽宁稻区粳稻品种的花时性状对MeJA的调控最为敏感;黑龙江稻区第三积温带的粳稻品种花时性状对MeJA的调控最为迟钝。喷施MeJA对不同生态区的粳稻株型性状有显著影响。株高、颈穗弯曲度随着MeJA浓度的升高而下降,各浓度处理与对照相比均差异显著;剑叶长、倒二叶长随MeJA浓度的升高而变长。【结论】MeJA对不同生态区的粳稻花时性状均有显著的促进效应。MeJA浓度越高,花时提前的效果越明显。各生态区粳稻对MeJA响应的敏感性存在差异。MeJA对粳稻株型性状有一定的影响。粳稻株高、穗颈弯曲度均随着MeJA浓度的升高而下降,且与对照差异显著。MeJA对粳稻其他株型性状的影响大多未达到显著水平。

关键词: 粳稻, 生态区, 茉莉酸甲酯, 花时, 株型

Yuchen YANG, Yuanye XIA, Zhiqiang YAN, Lei WANG, Bingchun YAN, Jingbo WANG, Yiwei WANG, Jinhua LUAN, Hai XU. Effect of Spraying Methyl JasmonateDuring Heading Date on Floret Opening Time and Plant Type of japonica Rice from Different Ecological Areas[J]. Chinese Journal OF Rice Science, 2021, 35(1): 69-77.

杨宇尘, 夏原野, 闫志强, 汪磊, 闫秉春, 王镜博, 王祎玮, 栾金华, 徐海. 抽穗开花期喷施茉莉酸甲酯对不同生态区粳稻花时和株型的影响[J]. 中国水稻科学, 2021, 35(1): 69-77.

Figures/Tables 7

References 23

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品种来源 Cultivar origin	品种名称 Cultivar name
黑龙江省第三积温带 The third accumulated temperature zone in Heilongjiang Province	龙粳21, 龙粳31, 龙粳46, 龙粳43, 龙粳51 Longjing 21, Longjing 31, Longjing 46, Longjing 43, Longjing 51
黑龙江省第一积温带 The first accumulated temperature zone in Heilongjiang Province	龙稻18, 龙稻20, 龙稻24, 龙稻25, 龙稻28 Longdao 18, Longdao 20, Longdao 24, Longdao 25, Longdao 28
吉林省 Jilin Province	长白9号, 吉粳88, 吉粳301, 通35, 通禾899, 通禾99, 通禾835, 通禾837, 通禾858, 吉玉粳 Changbai 9, Jijing 88, Jijing 301, Tong 35, Tonghe 899, Tonghe 99, Tonghe 835, Tonghe 837, Tonghe 858, Jiyujing
新疆维吾尔自治区 Xinjiang Uygur Autonomous Region	新稻11, 新稻36, 新稻44, 新稻45, 新稻49 Xindao 11, Xindao 36, Xindao 44, Xindao 45, Xindao 49
宁夏回族自治区 Ningxia Hui Autonomous Region	宁粳28, 宁粳41, 宁粳43, 宁粳48, 宁粳50 Ningjing 28, Ningjing 41, Ningjing 43, Ningjing 48, Ningjing 50
辽宁省 Liaoning Province	辽粳9号, 沈稻6号, 北粳1号, 辽星1号, 沈农9816 Liaojing 9, Shendao 6, Beijing 1, Liaoxing 1, Shennong 9816

品种来源 Cultivar origin	品种名称 Cultivar name
黑龙江省第三积温带 The third accumulated temperature zone in Heilongjiang Province	龙粳21, 龙粳31, 龙粳46, 龙粳43, 龙粳51 Longjing 21, Longjing 31, Longjing 46, Longjing 43, Longjing 51
黑龙江省第一积温带 The first accumulated temperature zone in Heilongjiang Province	龙稻18, 龙稻20, 龙稻24, 龙稻25, 龙稻28 Longdao 18, Longdao 20, Longdao 24, Longdao 25, Longdao 28
吉林省 Jilin Province	长白9号, 吉粳88, 吉粳301, 通35, 通禾899, 通禾99, 通禾835, 通禾837, 通禾858, 吉玉粳 Changbai 9, Jijing 88, Jijing 301, Tong 35, Tonghe 899, Tonghe 99, Tonghe 835, Tonghe 837, Tonghe 858, Jiyujing
新疆维吾尔自治区 Xinjiang Uygur Autonomous Region	新稻11, 新稻36, 新稻44, 新稻45, 新稻49 Xindao 11, Xindao 36, Xindao 44, Xindao 45, Xindao 49
宁夏回族自治区 Ningxia Hui Autonomous Region	宁粳28, 宁粳41, 宁粳43, 宁粳48, 宁粳50 Ningjing 28, Ningjing 41, Ningjing 43, Ningjing 48, Ningjing 50
辽宁省 Liaoning Province	辽粳9号, 沈稻6号, 北粳1号, 辽星1号, 沈农9816 Liaojing 9, Shendao 6, Beijing 1, Liaoxing 1, Shennong 9816

MeJA处理 MeJA treatment /(mmol·L^-1)	生态区 Ecological area	始花时差 DIBT	盛花时差 DFBT	终花时差 DTBT	始-盛时间差 DDIF	盛-终时间差 DDFT	始-终时间差 DDIT
4	黑龙江第三积温带 The third accumulated temperature zone in Heilongjiang Province	106.3 aA	103.1 bB	137.3 cC	-3.2 cC	34.2 cdCD	31.0 dC
	黑龙江第一积温带 The first accumulated temperature zone in Heilongjiang Province	100.1 aA	129.2 bB	164.5 bBC	29.1 bBC	35.3 cdCD	64.5 cBC
	吉林省 Jilin Province	92.2 aA	132.1 bB	183.4 abAB	39.9 bAB	51.3 bcBC	91.2 abcAB
	新疆维吾尔自治区 Xinjiang Uygur Autonomous Region	87.5 aA	121.3 bB	202.7 aA	33.8 bAB	81.4 aA	115.2 aA
	宁夏回族自治区 Ningxia Hui Autonomous Region	90.4 aA	125.4 bB	194.1 aAB	35.0 bAB	68.7 abAB	103.7 abA
	辽宁省 Liaoning Province	109.6 aA	174.7 aA	195.6 aAB	65.1 aA	20.9 dD	86.0 bcAB
8	黑龙江第三积温带 The third accumulated temperature zone in Heilongjiang Province	111.5 aA	109.5 cB	144.2 cC	-21.0 cC	34.7 cBC	32.7 cC
	黑龙江第一积温带 The first accumulated temperature zone in Heilongjiang Province	107.1 aA	138.3 bcB	175.6 bB	31.2 bB	37.3 cBC	68.5 bB
	吉林省 Jilin Province	101.2 aA	143.4 bB	195.7 abAB	42.2 bAB	52.3 bcAB	94.5 abAB
	新疆维吾尔自治区 Xinjiang Uygur Autonomous Region	98.6 aA	134.9 bcB	211.2 aA	36.3 bAB	76.3 aA	112.6 aA
	宁夏回族自治区 Ningxia Hui Autonomous Region	100.1 aA	136.3 bcB	201.1 aAB	36.1 bAB	64.8 abA	100.9 aAB
	辽宁省 Liaoning Province	116.1 aA	185.8 aA	201.5 aAB	69.7 aA	15.7 dC	85.4 abAB
16	黑龙江第三积温带 The third accumulated temperature zone in Heilongjiang Province	113.8 aA	116.7 cC	150.9 cB	2.9 cB	34.3 cdBC	37.1 cB
	黑龙江第一积温带 The first accumulated temperature zone in Heilongjiang Province	111.7 aA	147.4 bBC	188.7 bA	35.7 bA	41.3 bcABC	77.1 bA
	吉林省 Jilin Province	110.7 aA	155.8 bB	205.4 abA	45.1 bA	49.6 abcAB	94.7 abA
	新疆维吾尔自治区 Xinjiang Uygur Autonomous Region	107.7 aA	149.9 bBC	217.6 aA	42.2 bA	67.7 aA	109.3 aA
	宁夏回族自治区 Ningxia Hui Autonomous Region	108.8 aA	147.0 bBC	206.9 abA	38.2 bA	59.9 abAB	98.1 abA
	辽宁省 Liaoning Province	121.5 aA	191.7 aA	208.7 abA	70.1 aA	17.1 dC	87.2 abA

MeJA处理 MeJA treatment /(mmol·L^-1)	生态区 Ecological area	始花时差 DIBT	盛花时差 DFBT	终花时差 DTBT	始-盛时间差 DDIF	盛-终时间差 DDFT	始-终时间差 DDIT
4	黑龙江第三积温带 The third accumulated temperature zone in Heilongjiang Province	106.3 aA	103.1 bB	137.3 cC	-3.2 cC	34.2 cdCD	31.0 dC
	黑龙江第一积温带 The first accumulated temperature zone in Heilongjiang Province	100.1 aA	129.2 bB	164.5 bBC	29.1 bBC	35.3 cdCD	64.5 cBC
	吉林省 Jilin Province	92.2 aA	132.1 bB	183.4 abAB	39.9 bAB	51.3 bcBC	91.2 abcAB
	新疆维吾尔自治区 Xinjiang Uygur Autonomous Region	87.5 aA	121.3 bB	202.7 aA	33.8 bAB	81.4 aA	115.2 aA
	宁夏回族自治区 Ningxia Hui Autonomous Region	90.4 aA	125.4 bB	194.1 aAB	35.0 bAB	68.7 abAB	103.7 abA
	辽宁省 Liaoning Province	109.6 aA	174.7 aA	195.6 aAB	65.1 aA	20.9 dD	86.0 bcAB
8	黑龙江第三积温带 The third accumulated temperature zone in Heilongjiang Province	111.5 aA	109.5 cB	144.2 cC	-21.0 cC	34.7 cBC	32.7 cC
	黑龙江第一积温带 The first accumulated temperature zone in Heilongjiang Province	107.1 aA	138.3 bcB	175.6 bB	31.2 bB	37.3 cBC	68.5 bB
	吉林省 Jilin Province	101.2 aA	143.4 bB	195.7 abAB	42.2 bAB	52.3 bcAB	94.5 abAB
	新疆维吾尔自治区 Xinjiang Uygur Autonomous Region	98.6 aA	134.9 bcB	211.2 aA	36.3 bAB	76.3 aA	112.6 aA
	宁夏回族自治区 Ningxia Hui Autonomous Region	100.1 aA	136.3 bcB	201.1 aAB	36.1 bAB	64.8 abA	100.9 aAB
	辽宁省 Liaoning Province	116.1 aA	185.8 aA	201.5 aAB	69.7 aA	15.7 dC	85.4 abAB
16	黑龙江第三积温带 The third accumulated temperature zone in Heilongjiang Province	113.8 aA	116.7 cC	150.9 cB	2.9 cB	34.3 cdBC	37.1 cB
	黑龙江第一积温带 The first accumulated temperature zone in Heilongjiang Province	111.7 aA	147.4 bBC	188.7 bA	35.7 bA	41.3 bcABC	77.1 bA
	吉林省 Jilin Province	110.7 aA	155.8 bB	205.4 abA	45.1 bA	49.6 abcAB	94.7 abA
	新疆维吾尔自治区 Xinjiang Uygur Autonomous Region	107.7 aA	149.9 bBC	217.6 aA	42.2 bA	67.7 aA	109.3 aA
	宁夏回族自治区 Ningxia Hui Autonomous Region	108.8 aA	147.0 bBC	206.9 abA	38.2 bA	59.9 abAB	98.1 abA
	辽宁省 Liaoning Province	121.5 aA	191.7 aA	208.7 abA	70.1 aA	17.1 dC	87.2 abA

MeJA处理MeJA concentration /(mmol·L^-1)	株高 PH /cm	穗颈弯曲度 PC/°	剑叶基角 FLA/°	倒2叶基角 TLA2/°	倒3叶基角 TLA3/°	剑叶长 FLL/cm	剑叶宽FLW/cm	倒2叶长TLL2 / cm	倒2叶宽TLW2/cm	倒3叶长TLL3/cm	倒3叶宽TLW3/cm
0(CK)	103.0 aA	42.4 aA	19.1 aA	12.0 bB	17.7 bB	29.6 bA	1.68 bA	39.9 bB	1.42 abAB	40.4 aA	1.26 aA
4	100.0 bB	40.0 aA	20.0 aA	12.5 abAB	18.5 abAB	30.1 abA	1.71 aA	40.9 aA	1.43 aA	40.7 aA	1.26 aA
8	99.2 cBC	27.5 bB	20.1 aA	12.8 abAB	19.2 aA	30.7 aA	1.71 aA	41.0 aA	1.40 bB	40.5 aA	1.26 aA
16	98.4 dC	24.1 cC	19.8 aA	13.4 aA	18.3 abAB	30.4 abA	1.69 abA	40.9 aA	1.42 abAB	40.0 aA	1.27 aA