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(一)有机汞剂对稻瘟病菌孢子发芽的抑制作用以谷仁乐生(磷酸乙基汞)为最大,其次为西力生(氯化乙基汞),再次为赛力散(醋酸苯汞) (二)赛力散加消石灰5倍或西力生加消石灰15倍及20倍粉剂对稻瘟有较好的防治效果,对水稻的发育无不良影响,实测无效分蘖相对减少,稻谷稔实率增高,但对稻叶有少许烧伤药斑,在喷粉不均匀和消石灰颗粒大时,此种现象更为明显。(三)赛力散加消石灰5倍在大田生产中防病增产的效果特别良好,喷粉2～3次能增加稻谷产量25～158%,每公顷纯收益129～609元。(四)赛力散(西力生)加消石灰粉剂,在水稻植株上展着良好,降雨後虽被冲洗, ??防病效果仍不低。(五)銅製劑波爾多液對稻瘟病也有一定的防治效果?梢钥隙ㄆ浞啦≡霎a效果低於賽力散消石灰粉,在大田試驗的條件下,每公頃純收益只及賽力散消石灰粉的50%。
(A) The inhibitory effect of organo-mercuric agents on the spore germination of Magnaporthe grisea is that Gule Lhasa (ethyl mercuric phosphate) is the largest, followed by xylosine (ethyl mercury chloride) (II) Saixi powder plus lime 5 times or Xi Li Sheng plus lime 15 times and 20 times powder on rice blast have a better control effect on rice development has no adverse effect, the measured ineffective tiller is relatively reduced, Increased, but a little bit of rice leaf burn spots, spray uneven powder and lime particles, this phenomenon is more obvious. (C) Saiga powder plus lime 5 times in the field of production of disease prevention and control of the effect is particularly good, dusting 2 to 3 times to increase rice production 25 ~ 158%, net yield per hectare 129 ~ 609 yuan. (D) Sai Li San (Xili Health) plus lime powder, the rice plants show good, although after being washed, the anti-disease effect is still not low. (E) Bordeaux mixture of copper preparations also have some control effect on rice blast? 梢 tip clearance ㄆ 浞 啦 ≡ 霎 an effect lower than the race force scattered slaked lime powder, field test conditions, the net income per hectare and only race Dissolve 50% of lime powder.