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   幼苗生长 在 植物保护 分类中 的翻译结果: 查询用时:1.223秒
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幼苗生长
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  seedling growth
    4. The fraction at the concentration of 10 gFW/ml was extracted with dichloromethane from root exudates, showed significant inhibition action to seed germming and seedling growth of purple medic, ryegrass and clover.
    4.紫茎泽兰根系分泌物的二氯甲烷提取物在10gFW/ml浓度下,对苜蓿、三叶草、黑麦草种子萌发及幼苗生长均表现出化感抑制作用。
短句来源
    The compound, ataconcentration of 100 mgL-1, can completely inhibited seed germination and seedling growth of Amaranthus retroflerus L.
    用柱层析和HPLC法分离和纯化除草活性组分,得到1个在312 nm有最大吸收的化合物,该化合物在100 mg·L-1浓度下可以完全抑制反枝苋种子萌发和幼苗生长
短句来源
    After 24 months, there was no evident injury to flax at the treatment of 60g/hm2 and 120g/hm2,however,there was inhibition to the flax seedling growth at the dosage of 180g/hm2.
    施药后24个月,60g/hm2和120g/hm2处理无明显药害症状,可以安全种植,180g/hm2处理对亚麻幼苗生长仍有抑制,不能安全种植。
短句来源
    The threshold concentration obviously affected seedling growth,contents of chlorophyll and soluble protein,protein compositions of root meristems and chloroplast was 0.1 mg/L. The threshold concentration induced the chromosome condensation and micronuclei formation was 0.001 mg/L.
    Atrazine引起幼苗生长,叶绿素和可溶性蛋白质含量及根尖分生组织、叶绿体蛋白质组分变化的临界剂量为0.1 mg/L,引起水稻染色体凝集和微核形成的临界剂量为0.001 mg/L。
短句来源
    The effect of applying 90% acetochlor EC 30, 60, 90mL/667m2 for wheat germination and seedling growth were tested. The results showed that 60 mL/667m2of 90% acetochlor EC had significantly damage for wheat seeding number and growth with heavy rain or wet soil before sowing.
    进行了乙草胺90%乳油30,60,90mL/667m2三个剂量对小麦出苗与幼苗生长的影响试验,结果表明:小麦播后苗前施用乙草胺在土壤潮湿或遇较强的降水时,施用量60mL/667m2对小麦的出苗及幼苗生长造成明显的药害。
短句来源
更多       
  growth of seedlings
    Using the crude toxin, the study investigated the effect of capsicum wilt on the germination of seeds, the growth of seedlings, and the elongation of radicel in three cultivars of pepper, 'Nongchengjiao 2', '0127', and '0171'.
    2.用查彼克液体产毒培养基培养辣椒枯萎病病原菌,取其培养滤液作为粗毒素,测试了毒素液对“农城椒2号”、“0127”、“0171”三个基因型种子发芽、幼苗生长、胚根伸长的作用。
短句来源
    3. Result of bioactivities of metabolites of Fq24 showed that (1) At lower concentrations Fq24 could promote germination of tomato seeds and growth of seedlings while at higher concentrations they were prohibited.
    3.Fq24代谢产物的生物活性研究表明:(1)低浓度的Fq24发酵液能提高番茄种子的发芽率(出苗率),促进植株生长,但高浓度降低发芽率(出苗率),抑制幼苗生长
短句来源
    Furthermore, the study had a research on the degree of damage of the crude toxin derived from capsicum wilt pathogen to the germination of seeds, growth of seedlings, and elongation of radicel in pepper.
    同时以辣椒枯萎病原菌培养滤液作为粗毒素,对毒素的生物活性进行了测定,研究了毒素对辣椒种子发芽、幼苗生长及胚根伸长的毒害作用。
短句来源
    The experimental results showed that the crude toxin of capsicum wilt pathogen had the capacity of thermal stability, and can not only extremely inhibit both the germination of seeds and the growth of seedlings, but also do great harm to the elongation of radicel.
    结果表明,辣椒枯萎病病原菌粗毒素具有一定的热稳定性,能够强烈抑制辣椒种子发芽,抑制辣椒幼苗生长,对种子胚根的伸长也具有毒害作用,且随着毒素处理浓度的升高而增强。
短句来源
    The toxins produced by the pathogens of corn stalk rot( Fusarium graminearum and Pythium aphanidermatum) could inhibit the germination of corn seeds, the growth of corn plumules and radicles and the growth of seedlings. The inhibition of the toxins produced by F.
    玉米茎腐病菌 (Fusarium graminearum和Pythiumaphanidermatum)产生的毒素对玉米种子萌发、胚根与胚芽的生长以及幼苗生长均有抑制作用。
短句来源
更多       
  seed ling growth
    4. The fraction at the concentration of 10 gFW/ml was extracted with dichloromethane from root exudates, showed significant inhibition action to seed germming and seedling growth of purple medic, ryegrass and clover.
    4.紫茎泽兰根系分泌物的二氯甲烷提取物在10gFW/ml浓度下,对苜蓿、三叶草、黑麦草种子萌发及幼苗生长均表现出化感抑制作用。
短句来源
    The compound, ataconcentration of 100 mgL-1, can completely inhibited seed germination and seedling growth of Amaranthus retroflerus L.
    用柱层析和HPLC法分离和纯化除草活性组分,得到1个在312 nm有最大吸收的化合物,该化合物在100 mg·L-1浓度下可以完全抑制反枝苋种子萌发和幼苗生长
短句来源
    After 24 months, there was no evident injury to flax at the treatment of 60g/hm2 and 120g/hm2,however,there was inhibition to the flax seedling growth at the dosage of 180g/hm2.
    施药后24个月,60g/hm2和120g/hm2处理无明显药害症状,可以安全种植,180g/hm2处理对亚麻幼苗生长仍有抑制,不能安全种植。
短句来源
    The threshold concentration obviously affected seedling growth,contents of chlorophyll and soluble protein,protein compositions of root meristems and chloroplast was 0.1 mg/L. The threshold concentration induced the chromosome condensation and micronuclei formation was 0.001 mg/L.
    Atrazine引起幼苗生长,叶绿素和可溶性蛋白质含量及根尖分生组织、叶绿体蛋白质组分变化的临界剂量为0.1 mg/L,引起水稻染色体凝集和微核形成的临界剂量为0.001 mg/L。
短句来源
    The effect of applying 90% acetochlor EC 30, 60, 90mL/667m2 for wheat germination and seedling growth were tested. The results showed that 60 mL/667m2of 90% acetochlor EC had significantly damage for wheat seeding number and growth with heavy rain or wet soil before sowing.
    进行了乙草胺90%乳油30,60,90mL/667m2三个剂量对小麦出苗与幼苗生长的影响试验,结果表明:小麦播后苗前施用乙草胺在土壤潮湿或遇较强的降水时,施用量60mL/667m2对小麦的出苗及幼苗生长造成明显的药害。
短句来源
更多       
  “幼苗生长”译为未确定词的双语例句
    The effect of the samples on the growth of cucumber and Mung bean were investigated at concentrations of 10,1×10-1,1×10-2,1×10-3,1×10-4,and 0 mg/L in contrast with α-NAA.
    对绿豆、黄瓜的幼苗生长进行测试,药液质量浓度分别为10、0.1、0.01、1.0×10-3、1.0×10-4和0 mg/L,生长素活性对照为α-萘酸(α-NAA)。
短句来源
    Effects of Pseudomonas fluorescence hw-5 strain on the wheat seedlings development and take-all disease were evaluated in greenhouse experiments. The different concentrations of bacterial suspension were used by seed coating and soil drench.
    采用种子包衣、菌悬液浸泡种子、菌悬液浇灌土壤等不同方法施用不同浓度的荧光假单胞杆菌(Pseudomonas fluorescence)hw-5菌株,在温室条件下检测其对小麦全蚀病发生情况及小麦幼苗生长发育的影响。
    Effect of 15% Hymexazol-Metalaxyl-Thiram seed coating formulation on the growth of watermelon seedlings and disease resistance-related enzymes
    15%噁·霜·福种衣剂对西瓜幼苗生长及其抗病性相关酶活性的影响
短句来源
    The resultshows that the 20 times-diluted culture filtrate may also restrain seed germination of wheatand corn.
    结果发现,稀释 20 倍的培养滤液对小麦、玉米种子萌发均有抑制作用,但对幼苗生长几乎无影响;
短句来源
    In field experiments,BK B2 and B1+2 could not only promote germination of garlic seeds and growth of seedings,but also increase yield.
    田间小区试验表明,用拮抗菌B1、B2、B_(1+2)拌种后均对大蒜种子萌发、植株幼苗生长有促进作用,可提高产量。
短句来源
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  seedling growth
Effects of soil drought on seedling growth and water metabolism of three common shrubs in Loess Plateau, Northwest China
      
The influences on the seedling growth, fruit quality and yield of tomato were investigated.
      
Results showed that the seedling growth, and the contents of UV absorbing compounds, soluble sugar, organic acid, vitamin C and lycopene of tomato fruits, and yield of tomato increased under doubled CO2 concentration.
      
BHT retards seedling growth, presumably by suppression of cell elongation, and it increases the life span of the coleoptile.
      
It was established that total proteolytic activity in etiolated wheat seedlings changes in ontogenesis in cycles: peaks of proteolytic activity correspond to the 3rd, 5th, and 8th days of seedling growth, respectively.
      
更多          
  growth of seedlings
Effects of solid water and foliar fertilizer on survival and growth of seedlings in sand prevention and control
      
The results showed that root growth of seedlings was interrupted after 5d of 50-200 μg · g-1 TCB treatment.
      
rostratum, restricted dispersal of propagules and seeds, low seed viability, low germinability, slow growth of seedlings under all conditions, and habitat loss due to agriculture appear to be more important reasons for the endangerment of this plant.
      
The results showed that increase in CO2 concentration enhanced the growth of seedlings and the effect of 700 (?mol/mol CO2 was more remarkable than 500 ?mol/mol CO2 on seedling growth.
      
The water extracts from branches and barks with low and moderate concentrations accelerated the height growth of the seedlings, while those from leaves and roots slightly decreased the height growth of seedlings.
      
更多          


According to the results obtained in 1956 to 1961,the occurrence of damping-off in theconiferous nurseries generally first appears in the middle of May,prevails in the end of Mayto the middle of June,and stops in the beginning of July to the middle of August.In average,the duration of damping-off in nurseries continues about two months or even more,but theprevalent period lasts only twenty to thirty days.The dates of the first appearance and theperiods of duration,however,varied with different localities,years,and...

According to the results obtained in 1956 to 1961,the occurrence of damping-off in theconiferous nurseries generally first appears in the middle of May,prevails in the end of Mayto the middle of June,and stops in the beginning of July to the middle of August.In average,the duration of damping-off in nurseries continues about two months or even more,but theprevalent period lasts only twenty to thirty days.The dates of the first appearance and theperiods of duration,however,varied with different localities,years,and kinds of conifers.The soil temperature for disease development is over a range of 11 to 30° with an optimumat 18 to 25℃,but each causal organism tends to have a different optimum.Thus Rhizoctoniadamping-off usually occurs at 18 to 22℃,Pythium at 17 to 20℃,and Fusarium at 23 to 28℃.Therefore,Rhizoctonia and Pythium are secured in the early period of the growing season,lateron when the soil temperature goes up,the fusarial damping-off seedlings may be obtained.However,if the soil temperature is rather high in the early growing season,Fusarium mayalso be isolated from the diseased seedlings and when the conditions reverse,the percentageof diseased seedlings due to Fusarium infection goes down again.This condition is only truefor nurseries of Larix olgensis and Pinus sylvestries var.golica,while not true for nurseriesof P.koraiensis.From the results of four years' records and experiments,it is shown that high precipita-tion with high frequencies,or high soil water content during the susceptible stages of thegrowing period of coniferous seedlings,generally favors the development of damping-off in thenorth-east provinces.Although the soil temperature has certain effect on damping-off,but itis not critical for the disease development.In a certain locality,where the fluctuation of soil pH is inconspicuous during the growingseason,the correlation between the soil pH to the disease development is not significant.Besides the enviromental factors,the total percentage of disease incidence is also in-fluenced by the duration of the infecting period.

根据六年来的资料分析,在东北各地松苗立枯病发生的开始时期,一般多在5月中旬,北部则稍迟;流行盛期在5月下旬至6月上、中旬间,为期将近一个月;发病休止期约在7月初旬至8月中旬,差异比发病开始时期大。病害发生延续期约45—82天,平均发病期为61.4天。红松幼苗发病与流行盛期较晚,与樟子松和落叶松有所不同。三种立枯病菌病苗的出现时期受土壤温度的影响。丝核菌(Rhizoctonia)病苗发生最多在土温18—22℃,腐霉菌(Pythium)在17—22℃,镰刀菌(Fusarium)在23—28℃,所以一般早期发生的病苗主要为丝核菌侵染所致,其次为腐霉菌,在后期则多数为镰刀菌,但如早期土温较高时,亦有较多的镰刀菌病苗。总的发病土温范围是11—30℃,适温为18—25℃,红松幼苗的发病土壤适温还要高些。松苗立枯病在东北地区的流行主要受土壤含水量和降雨量的影响。松苗在生长感染期间,如遇雨量大和次数多或土壤含水量高时,则有利于发病,几天后在流行曲线上即可出现发病率的高峯。土壤温度不是病害流行的主要限制因素,因为在幼苗生长期间,土温范围都适宜于立枯病的发生。在同一地区的发病期间,苗床土壤 pH 值的变动并不显著,故...

根据六年来的资料分析,在东北各地松苗立枯病发生的开始时期,一般多在5月中旬,北部则稍迟;流行盛期在5月下旬至6月上、中旬间,为期将近一个月;发病休止期约在7月初旬至8月中旬,差异比发病开始时期大。病害发生延续期约45—82天,平均发病期为61.4天。红松幼苗发病与流行盛期较晚,与樟子松和落叶松有所不同。三种立枯病菌病苗的出现时期受土壤温度的影响。丝核菌(Rhizoctonia)病苗发生最多在土温18—22℃,腐霉菌(Pythium)在17—22℃,镰刀菌(Fusarium)在23—28℃,所以一般早期发生的病苗主要为丝核菌侵染所致,其次为腐霉菌,在后期则多数为镰刀菌,但如早期土温较高时,亦有较多的镰刀菌病苗。总的发病土温范围是11—30℃,适温为18—25℃,红松幼苗的发病土壤适温还要高些。松苗立枯病在东北地区的流行主要受土壤含水量和降雨量的影响。松苗在生长感染期间,如遇雨量大和次数多或土壤含水量高时,则有利于发病,几天后在流行曲线上即可出现发病率的高峯。土壤温度不是病害流行的主要限制因素,因为在幼苗生长期间,土温范围都适宜于立枯病的发生。在同一地区的发病期间,苗床土壤 pH 值的变动并不显著,故在同一地区病害流行与 pH 值关系亦不大。当年病害发生总百分率的高低,除受气候因素的影响外,还受病害发生延续期长短的影响。如发病延续期久,则总的发病率较高。

B HacToe cTaTbe oeHbI peybTaTbI cceoBaH o oBeeH Byx BoBcaxapHbIx TpocTHkoBbIx xpye, T.e. Alissonotum impressicolle Arrow Al. pauperBurmeister. B paoHax caxapHbIx TpocTHkoB Ha e KTa, kpoMe poBH Ta-BaH, HoHoo Tx BoB (Al. pauper) ee He bI oHapyeH ocaH B TepaType. aHHa paoTa poBoacb B 1960 oy B pe MecT a-c B paoHe yaH-c. bIoycTaHoBeHo, To o kopMoBoMy peMy T BpeTe BTc ooaaM, o ToMyTo oH oBpeaT kykypyy, aoHaM pyM akoBbIM, Ho peoTaT caxapHbITpocTHk. To oTaeTc oT peecTBeHHbIx MHox aHHbIx TepaTypbI, B koTopocTbIBacb...

B HacToe cTaTbe oeHbI peybTaTbI cceoBaH o oBeeH Byx BoBcaxapHbIx TpocTHkoBbIx xpye, T.e. Alissonotum impressicolle Arrow Al. pauperBurmeister. B paoHax caxapHbIx TpocTHkoB Ha e KTa, kpoMe poBH Ta-BaH, HoHoo Tx BoB (Al. pauper) ee He bI oHapyeH ocaH B TepaType. aHHa paoTa poBoacb B 1960 oy B pe MecT a-c B paoHe yaH-c. bIoycTaHoBeHo, To o kopMoBoMy peMy T BpeTe BTc ooaaM, o ToMyTo oH oBpeaT kykypyy, aoHaM pyM akoBbIM, Ho peoTaT caxapHbITpocTHk. To oTaeTc oT peecTBeHHbIx MHox aHHbIx TepaTypbI, B koTopocTbIBacb MoHoaaM, koTopbIe TaTc Tobko caxapHbIM TpocTHkoM. o oeBoMy HaeH bIo ycTaHoBeHo, To HaobIee koecTBo ykoBHaaeTc obIHo oce oe B apee-Mae. BpeT aBHbIM opaoM yk. BobIecTBa cyaeB yk, paBBaTc Ha caxapHoM TpocTHke HaaaT ocHoBaHecTee BcxooB. Koa BcxobI kykypybI aoHbI oBTc, acTb ykoB epece-eTc Ha Hx. pHbI Mpa ykoB, oBMoMy paHbI, TyT paT pobMkpokMaT yacTkoB kaecTBo kopMa. ceHHocTb xpye (Alissonotum spp.) oa HaaeH He oHakoBbI ooaM. oBMoMy, ooBoe koeaHe ceHHocT Tx BoB aBcT oT MHox ko-oeckx akTopoB, B ToM cpe ocaka B apee-Mae.

本文介绍1960年在广西新发现的两种蔗龟及其生活习性的研究结果。其中一种我国除台湾外,南方蔗区未见报导。我们在百色专区调查,确定它们是寡食性,即兼食玉米,高梁及其他禾本科作物,但嗜好甘蔗。通常在4—5月雨后,是成虫由蛹室出来的最盛期。主要以成虫为害,取食蔗苗茎基部,随着附近玉米和高粱幼苗的生长,部分成虫迁移到这些作物田内。迁移原因颇多,但具有意义的是与田间微气候和食料质量有关。蔗龟的数量及其为害面积,在不同年份是不一致的,大量繁殖的年份和消沉的年份,常表现出不规则的交替现象。此种数量变动,视许多生态因子而定,特别是受4—5月份降雨量的支配。

Seedlings of Sorghum was prepared by cutting off the roots andstripping off the outer coleoptile at the 3-4 leaf stage.The materialwas placed directly into boiling lactophenol containing 0.1% trypan-blue(or cotton blue)about 20 minutes,until it became soft.The treatedtissue was mounted in rows on a glass slide and covered with anotherslide with pressure so that it could be readily observed undermicroscope. The results showed that the tissue was stained blue, thehead smut mycelium if present was stained deep...

Seedlings of Sorghum was prepared by cutting off the roots andstripping off the outer coleoptile at the 3-4 leaf stage.The materialwas placed directly into boiling lactophenol containing 0.1% trypan-blue(or cotton blue)about 20 minutes,until it became soft.The treatedtissue was mounted in rows on a glass slide and covered with anotherslide with pressure so that it could be readily observed undermicroscope. The results showed that the tissue was stained blue, thehead smut mycelium if present was stained deep blue and themycelium usually formed short sectional knot-shaped branches.Numerous hyphae were in the base of the meristem of the growingtip, if the seedlings were infected.The percentage of the seedlinginfection was coincidental with that of mature plants infected.The-refore it was considered that this method was useful for the screeningof fungicides for controlling this disease and also for forcasting thedevelopment of the disease in fields. In the present paper the courseof infection of the fungus was traced.In the time before the differen-tiation of the growing top, the hyphae were limited in the meristem.After the differentiation of the floral bud, the hyphae migrated fromthe meristem into the panicle,The period of infection started in thetime of seed germination and ended at the seedlings about 1.5 cm long.The infection was mainly through the coleoptile and the smut hyphaewere present in almost all tissues.

取高粱幼苗切去根部,削去外部叶鞘,露出生长锥,放在乳酚油锥蓝染剂(或棉蓝里)煮染20分钟左右,至材料软化为止,取出夹在两片载玻片里压开,在低倍显微镜下观察,病株生长锥和心叶细胞组织染成浅蓝色,丝黑穗菌菌丝染成深蓝色,呈一段段瘤节状分枝,易于识别。据两年田间对比试验结果,本法预测田间发病率比较准确、简易、快速,适用于室内药剂筛选和田间预测药剂效果。田间高粱出苗后,分期取病株以徒手切片染色观察,侵染菌丝先集中于生长锥基部,后移向生长点里,花芽分化后移进花穗里。成株的高粱病株的每节组织里,均有丝黑穗菌丝存在。丝黑穗菌从高粱幼芽芽鞘侵入,侵入时期从种子发茅到芽长1.5厘米。在高粱幼苗生长锥里的散黑穗菌和坚黑穗菌的菌丝与丝黑穗菌菌丝,在形态上不易区别。

 
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