Method for applying methyl bromide fumigation agent to kill Tilletia controversa Kuehn
A technology of wheat dwarf smut and application of methyl bromide is applied in the field of applying methyl bromide fumigant to kill wheat dwarf smut, and can solve the problems of slow speed, flammable ethylene oxide, weak electron beam penetration ability, and the like, To achieve the effect of safe operation and widespread application
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[0025] The methyl bromide (98% by weight concentration) fumigant (gas) used in the method is produced by Lianyungang Dead Sea Bromide Co., Ltd. In order to verify the sterilizing effect of methyl bromide fumigant on wheat TCK under the above-mentioned fumigation parameter conditions, the present invention carries out following test process to the wheat with TCK germ:
[0026] Put blight wheat (loading capacity 50%) in a stainless steel fumigation barrel (self-made) with a sealed cover, insert the methyl bromide fumigant cylinder delivery tube needle into the fumigation barrel, and follow the set dose (180g / m 3 、90g / m 3 ) and under the conditions of constant temperature (20°C) and relative humidity (60-70%):
[0027] 180g / m 3 Dose, fumigation once every 120 hours;
[0028] 90g / m 3 Dose, 2×120h secondary fumigation.
[0029] See (Table 2) for the sterilizing effect of methyl bromide on TCK under the condition of 50% loading.
[0030]
temperature
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