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relative control effect
    Mitaijunjing 6% AS diluted at 75 mg/L provided 83.85% relative control effect, which was significantly better than that of Triadimefon 15% WP at 300 mg/L in the field experiments. Mitaijunjing is safe to cucumber leaves and fruits in all experiments.
    保护地防效试验中6%嘧肽菌净水剂质量浓度为75mg/L对黄瓜白粉病的相对防效达83.85%,显著优于对照药剂15%三唑酮粉剂300mg/L,并且对黄瓜安全。
    The relative control effects of fermentative liquid and conidia of T8 were 62.96% and 58.84% respectively, and which were 84.5% and 75% of the relative control effect of dimethachlon;
    木霉菌株T8发酵液相对防效为62.96%,达到菌核净防效的84.5%; T8的孢子悬浮液相对防效达58.84%,达到菌核净防效的75%以上。
    the relative control effect of Zhucuye, 1.5% abamectin in lower root rot disease soil (the occurred disease rate of root rot is below 10%) were 74.6% and 44.3%.
    竹醋液、阿维菌素乳油对线虫低发病率地块有较好的防治效果,相对防效可以达到74.6%、44.3%。
    The organic carbon fertilizer could promote the growth of American ginseng and had good controlling effect on the nematode, the relative control effect could get to 47.1% .
    有机碳素肥在促进西洋参生长的同时还对西洋参线虫有较好的防治效果,相对防效达到47.1%。
    in the field environment, the relative control effect of the bio-control agents 28G14 on P capsici was 49.8%~70%.
    田间条件下,生防菌剂28G14对辣椒疫病相对防效为49.8%~70.0%;
    800 dilution of chlorine dioxide treated the scissors for 10s could prevent TMV spread effectively,and the relative control effect could be over 98%.
    其中16%绿先锋牌二氧化氯800倍液浸泡消毒10 s即可有效防止TMV的传播,相对防效可达98%以上。
    The results showed that the average disease incidence rate decreased from 28.47%(1996) to 6. 51%(1997), 5. 41%(1998) and 2. 32%(1999), and the average relative control effect of TMV is 64. 4%(1997), 69. 5%(1998) and 88. 5%(1999) respectively, which expresses significant control effects.
    TMV花叶病平均病株率由1996年(试验前)的28.47%下降至1997年的6.51%、1998年的5.41%、1999年的2.32%,平均相对防效1997年为64.4%、1998年为69.5%、1999年为88.5%,防效显著。
    The results showed that the relative control effect of engineering B. thuringiensis reached 40-45% in new A. konjac field and 35-40% in old A.
    结果表明:抗病工程菌株在老区的相对防效可达32—40%,在新区的相对防效可达40—45%;
    konjac field (cultivated for one year). The best relative control effect of germicides reached 50% and those of so many germicides were lower than 40%.
    化学农药在魔芋软腐病发病盛期的最高相对防效只有50%左右,绝大部分化学农药的相对防效为40%或更低。
    The best method of controlling Wheat scab is that we should spray the leavening of BS3.1 for 72 hour whose concentration is 2 108CFU/ml before anthesis of wheat for 5 dayes, in this way we can get so highest relative control effect in field as 69.01% which had be close to the relative effect of Bavistin fungicid (70.66%).
    利用枯草芽孢杆菌BS_(3-1)防治小麦赤霉病的最佳防治方案为选择小麦扬花期,提前5天喷雾浓度为2×10~8CFU/ml的BS_(3-1)72小时发酵液。 田间相对防效达69.01%,接近化学药剂多菌灵的防效—70.66%。
    When we use the powder made of the spore of BDS3.1 whose concentration is 2 108CFU/ml before anthesis of wheat for 5 dayes, its relative control effect in field was 58.1%, which had potential marked value.
    当提前赤霉病菌5天施用、芽孢数为2×10~8CFU/ml时,对小麦赤霉病的田间相对防效达58.10%,具有潜在市场应用价值。
    The relative control effect of Junxianwei and Xianjin in the higher root disease rate soil (the occurred disease rate of root rot is above50%) is about 44.5%;
    菌线威、线净对线虫高发病率地块有较好的防治效果,相对防效达到44.5%左右;
    The field effects also showed that thiophanate had good effect on controlling the disease, the relative control effect amounted to 88. 6%.
    大田试验也表明,甲基托布津对薯蓣叶点霉有较好的防治效果,相对防效达88.6%。
    (C_(32)) and development of microbes in root zone were improved, the number of Gram-negative bacteria in check root zone was decreased, relative control effect of verticillium wilt of egplant was increased.
    覆膜处理促进了Glomussp(C32)菌株的侵染和茄菌根区微生物的发育,减少了对照根区革兰氏阴性细菌数,显著提高了对茄子黄萎病的相对防效
    The bioactivity of Zhongke 6 resistance to TMV was tested. Results showed that relative control effect with 50 μg/mL concentration of Zhongke 6 pretreatment for 24 h was 84.73%. The TMV infection sites on tobacco leaves were tested with KI I dying method.
    室内生测结果表明,烟草用50μg/mL中科6号预防处理后24h再接种烟草花叶病毒(TMV),其对由TMV引起的烟草花叶病毒病的相对防效为84.73%,显著高于对照;
    The field trial results indicated that amistar 25% SC was a good fungicide for control pepper blight (Phytophthora capsici Leonian). The relative control effect was as high as 82.50% in 10 days after spraying three times. Amistar was safe to the crop, so it can be used in large area.
    25%阿米西达悬浮剂对辣椒疫病具有较好的控制效果,第3次药后第10天其相对防效最高可达82.50%,且对辣椒安全无药害,可大面积推广应用。
    The downy blight on litchi anthotaxy and the fruits has been controlled by spraying 700-fold solution of Ridomil MZ Gold 68% WG,600-fold solution of chlorothalonil 75% WP and 700-fold solution of metaxyl MZ 72% WP. The result shows that the relative control effect of Ridomil MZ Gold is 62.95% and 74.85%,which is better than that of chlorothalonil(54.71% and 61.79%) and that of metaxyl MZ(51.05% and 55.82%).
    小型田间试验结果:68%金雷多米尔WG700倍液对荔枝花穗和果实霜疫霉病的相对防效(62.95%、74.85%)均优于75%百菌清WP600倍液(54.71%和61.79%)和72%甲霜灵锰锌WP700倍液(51.05%和55.82%)。
 

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