Effect on Rice Growth and Yield Increase: Seed Soaking with Iron Chlorin Soluble Powder

doi:10.11923/j.issn.2095-4050.casb2023-0028

Abstract

Abstract:

To explore the effect of 0.02% chlorin iron SP on rice growth and yield after seed soaking and its dosage, the 'Nanjing 9108' was used as experimental variety. Rice seeds were soaked in 0.02% chlorin iron SP at different concentrations. 0.0016%, 28(s)-homobrassinolide AS and 0.136% gibberellic acid·indoleacetic acid·brassinolide SP were used as control agents, and the seeds with water immersion as blank control. The rice growth status was investigated at seedling stage, tillering stage and maturity stage, respectively, and the yields were measured at harvest stage. The results showed as follows: seed soaking with 0.02% chlorin iron did not affect the germination of rice, but the emergence rate of rice decreased with the increase of chlorin iron concentration. Seed soaking with 0.02% chlorin iron increased the fresh weight, root number and tillering percentage of rice seedling. When 0.02% chlorin iron was diluted 15000-10000 times, it could increase the panicle length, the number of solid grains and improve the rice yield. Therefore, seed soaking with 0.02% chlorin iron 15000-10000 times solution can promote rice growth, improve rice yield. The demonstration application can be expanded in rice production.

Key words: iron chlorin, rice growth, yield, seed soaking, safety

ZHANG Guo, YU Julong, LING Hong, YAO Kebing, YU Xiangyang, CHENG Jinjin, ZHU Feng, ZHOU Chen, SHU Zhaolin, ZHAO Laicheng. Effect on Rice Growth and Yield Increase: Seed Soaking with Iron Chlorin Soluble Powder[J]. Journal of Agriculture, 2024, 14(3): 34-39.

Figures/Tables 5

References 22

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处理	供试药剂	稀释倍数	7d发芽率/%	15d出苗率/%
1	0.02%二氢卟吩铁SP	15000倍	92.36 a	80.67 a
2		12500倍	95.56 a	86.33 a
3		10000倍	92.81 a	83.33 a
4		7500倍	94.53 a	88.00 a
5		5000倍	89.16 a	84.00 a
6		1000倍	93.72 a	76.00 b
7		100倍	95.26 a	78.33 b
8	0.0016%芸苔素内酯AS	1000倍	90.79 a	81.67 a
9	0.136%赤·吲哚·芸苔素SP	3000倍	92.98 a	86.00 a
CK	-	-	92.92 a	86.67 a

处理	供试药剂	稀释倍数	7d发芽率/%	15d出苗率/%
1	0.02%二氢卟吩铁SP	15000倍	92.36 a	80.67 a
2		12500倍	95.56 a	86.33 a
3		10000倍	92.81 a	83.33 a
4		7500倍	94.53 a	88.00 a
5		5000倍	89.16 a	84.00 a
6		1000倍	93.72 a	76.00 b
7		100倍	95.26 a	78.33 b
8	0.0016%芸苔素内酯AS	1000倍	90.79 a	81.67 a
9	0.136%赤·吲哚·芸苔素SP	3000倍	92.98 a	86.00 a
CK	-	-	92.92 a	86.67 a

处理	供试药剂		稀释倍数		株高增长率/%		根系数量增长率/%		鲜重增长率/%
1	0.02%二氢卟吩铁SP		15000		6.18 a		38.30 a		42.31 a
2			12500		1.43 b		10.09 a		55.00 a
3			10000		2.81 b		-1.56 b		10.26 b
4			7500		4.04 a		-8.00 b		7.95 b
5			5000		1.50 b		6.72 ab		17.82 b
6			1000		4.80 a		8.56 ab		43.97 a
7			100		7.40 a		15.00 a		51.15 a
8		0.0016%芸苔素内酯AS		1000		6.78 a		1.20 ab	-6.03 b
9		0.136%赤·吲哚·芸苔素SP		3000		5.73 a		5.18 ab	28.72 ab
CK		-		-		26.61 cm		8.17	0.31 g

处理	供试药剂		稀释倍数		株高增长率/%		根系数量增长率/%		鲜重增长率/%
1	0.02%二氢卟吩铁SP		15000		6.18 a		38.30 a		42.31 a
2			12500		1.43 b		10.09 a		55.00 a
3			10000		2.81 b		-1.56 b		10.26 b
4			7500		4.04 a		-8.00 b		7.95 b
5			5000		1.50 b		6.72 ab		17.82 b
6			1000		4.80 a		8.56 ab		43.97 a
7			100		7.40 a		15.00 a		51.15 a
8		0.0016%芸苔素内酯AS		1000		6.78 a		1.20 ab	-6.03 b
9		0.136%赤·吲哚·芸苔素SP		3000		5.73 a		5.18 ab	28.72 ab
CK		-		-		26.61 cm		8.17	0.31 g

处理	供试药剂	稀释倍数	分蘖数/个	分蘖增长率/%	植株高度/cm	株高增长率/%
1	0.02%二氢卟吩铁SP	15000	14.92 ab	13.26 ab	46.21 a	3.40 a
2		12500	14.75 ab	12.00 ab	46.44 a	3.92 a
3		10000	19.00 a	44.27 a	47.25 a	5.73 a
4		7500	14.17 ab	7.57 ab	46.72 a	4.54 a
5		5000	13.67 ab	3.77 ab	44.56 a	-0.29 a
6		1000	15.42 a	17.06 a	44.98 a	0.65 a
7		100	13.58 ab	3.14 ab	43.24 a	-3.24 a
8	0.0016%芸苔素内酯AS	1000	15.58 a	18.32 a	46.38 a	3.78 a
9	0.0136%赤·吲哚·芸苔素SP	3000	12.25 b	-6.99 b	45.26 a	1.28 a
CK	-	-	13.17 b	-	44.69 a