抗除草剂杂交谷子晋谷50号轻简高效配套栽培技术研究

doi:10.16035/j.issn.1001-7283.2016.02.031

Abstract

Abstract:

The research of seedling thinning, herbicide screening, simplified cultivation techniques and optimum planting density in Jingu 50, a hybrid millet of herbicide resistance was studied. The results showed that the combination of Jingu 50 and varieties without herbicide resistance with a ratio of 1:0.5 and 1:1 was better to keep seedling density with a seeding quantity of 12kg/hm ². Herbicide screening results showed that 10% Propazine WP’s and 40% Prometryn WP’s were better for weeding. When 56% MCPA WP and 57% 2,4-D Butyl EC were sprayed in millet three-leaf stage, it brought injury on seedling, even to death, which was contrary to the previous studies and needed further research to verify. The optimum planting density for Jingu 50 was about 225 000 plants/hm ².

Key words: Herbicide, Hybrid millet, Cultivation techniques

Xiaolan Jing,Zhihua Li,Tingting Mu,Fuyao Zhang. Simplified Cultivation Techniques for Millet Hybrid Jingu 50 of Herbicide Resistance[J].Crops, 2016, 32(2): 168-172.

Figures/Tables 4

Table 1

Table 2

Table 3

Different kinds of herbicides and dosages, weed control effect,fresh weight control effect and the field performance"

除草剂种类 Herbicide types	剂量 Dosage	杂草株防效Weed control effect （%）		鲜重防效Fresh weight control effect（%）	谷苗田间表现 Millet seedling farmland performance
除草剂种类 Herbicide types	剂量 Dosage	单子叶杂草Monocotyledonous weeds	双子叶杂草Dicotyledonous weeds	鲜重防效Fresh weight control effect（%）	谷苗田间表现 Millet seedling farmland performance
10%谷友可湿性粉剂 10% Propazine WP	0.75kg/hm²	36.84	60.87	60.10	植株正常 Normal
	0.90kg/hm²	52.63	69.57	92.70	植株正常 Normal
	1.20kg/hm²	57.89	78.26	94.20	植株正常 Normal
	1.50kg/hm²	63.15	86.96	95.80	植株正常 Normal
	1.80kg/hm²	73.68	91.30	95.99	植株正常 Normal
40%扑草净可湿性粉剂 40%Prometryn WP	0.60kg/hm²	31.58	52.17	59.40	植株正常 Normal
	0.90kg/hm²	42.11	65.21	78.30	植株正常 Normal
	1.20kg/hm²	52.63	69.57	82.40	苗期矮小,后期恢复正常 Short in seedling stage, late return to normal
	1.50kg/hm²	68.42	73.91	85.60	苗期矮小,后期恢复正常 Short in seedling stage, late return to normal
	1.80kg/hm²	73.68	82.61	93.90	苗期矮小,后期恢复正常 Short in seedling stage, late return to normal
56%2甲4氯钠可湿性粉剂 56% MCPA WP	0.45kg/hm²	-	52.38	60.10	苗矮小,死苗严重 Seedling short, dead serious
	0.75kg/hm²	-	71.42	89.73	苗矮小,死苗严重 Seedling short, dead serious
	1.05kg/hm²	-	80.95	90.12	苗矮小,死苗严重 Seedling short, dead serious
	1.35kg/hm²	-	85.71	91.31	苗矮小,死苗严重 Seedling short, dead serious
	1.65kg/hm²	-	90.48	91.62	苗矮小,死苗严重 Seedling short, dead serious
57%2,4-D丁酯乳油 57% 2,4-D Butyl EC	0.30L/hm²	-	28.57	79.69	苗期矮小,后期恢复正常 Short in seedling stage, late return to normal
57%2,4-D丁酯乳油 57% 2,4-D Butyl EC	0.60L/hm²	-	47.62	86.81	苗期矮小,后期恢复正常 Short in seedling stage, late return to normal
	0.90L/hm²	-	66.67	88.07	苗期矮小,有死苗 Short in seedling stage,there are dead seedlings
	1.20L/hm²	-	76.19	89.79	苗期矮小,死苗较严重 Short in seedling stage,dead seedling is more serious
	1.50L/hm²	-	85.71	93.81	苗期矮小,死苗严重 Short in seedling stage,dead serious

Table 3

Table 4

References 17

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晋谷50号:长农35号Jingu 50:Changnong 35	1:0.5	1:1.0	1:1.5	1:2.0
喷药苗数Spraying seedlings number(plants/6.6m²)	264	271	243	298
喷药后苗数After spraying seedlings number(plants/6.6m²)	162	148	129	118
喷药后苗数折算After spraying seedlings number conversion(ten thousand plants/hm²)	24.55	22.43	19.55	17.88
10~20cm断垄数Broken ridge count	18	19	23	37
20~30cm断垄数Broken ridge count	9	10	10	11
>30cm断垄数Broken ridge count	1	2	11	18
10~20cm断垄比例Broken ridge proportion(%)	9.24	10.91	13.03	21.36
20~30cm断垄比例Broken ridge proportion(%)	8.18	9.09	9.09	10
>30cm断垄比例Broken ridge proportion(%)	1.21	2.42	13.33	21.82
总断垄比例Total broken ridge ratio(%)	18.64	22.42	35.45	53.18

密度(万株/hm²) Density(Ten thousand plants/hm²)	Ⅰ产量 Ⅰ yield（kg/hm²）	Ⅱ产量 Ⅱ yield（kg/hm²）	Ⅲ产量 Ⅲ yield（kg/hm²）	平均产量 Average yield（kg/hm²）
15.0	4 905.1	5 090.7	4 857.3	4 951.0cB
22.5	7 152.7	7 619.4	7 500.4	7 424.2aA
30.0	6 866.5	7 000.4	7 440.9	7 102.6abA
37.5	7 028.9	6 214.6	6 357.5	6 533.7bA

Simplified Cultivation Techniques for Millet Hybrid Jingu 50 of Herbicide Resistance

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除草剂名称Herbicides Name	推荐剂量Recommended dosage	剂量Dosage
10%谷友可湿性粉剂10% Propazine WP (kg/hm²)	1.08~1.26	0.75	0.90	1.20	1.50	1.80
40%扑草净可湿性粉剂40%Prometryn WP (kg/hm²)	0.75	0.60	0.90	1.20	1.50	1.80
56% 2甲4氯钠可湿性粉剂56% MCPA WP (kg/hm²)	1.07~1.43	0.45	0.75	1.05	1.35	1.65
57% 2,4-D丁酯乳油57% 2,4-D Butyl EC (L/hm²)	0.90~1.20	0.30	0.60	0.90	1.20	1.50

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