查询词典 weeds

Barn yard grass (Echinochloa crus-galli ) and day flower were the most abundant weeds.

其中前7种相对多度达20以上，可视为当地大豆田的优势杂草。

Nowadays there are 53 weed species belong to 24 families in rice field in Shanghai. The main weeds in paddy field are 18 species,such as Sagittaria pygmaea, Ammania baceifera, Echinochloa ausgalli, Monochoria vaginalis.

上海稻田常见杂草有53种，分属24科，其中主要草种有22种，如矮慈菇、鸭舌草、稗草等。

Field experiments were conducted to examine integrated inhibition of allelopathic rice (Huakangcao 78), bensulfuron methyl application and water management on weeds in paddy field, with the purposes of attempting to reduce the dosage of herbicide applied in rice field and exploring new ways of weed management in rice production. The results showed that allelopathic rice could inhibit the germination and growth of barnyardgrass Echinochloa crusgalli L.

选用具有化感特性的水稻品系华抗草78和长江流域地区主栽的扬稻6号，通过田间试验研究水稻化感作用结合苄嘧磺隆使用及水层管理对水稻田杂草的抑制作用，旨在降低水稻田化学除草剂使用量，探索水稻生产中杂草治理的新途径。

Barnyard grass, Echinochloa crus-galli, is one of the notorious weeds worldwide. To explore the potential of Alternaria augustiovoidea strain AAEC05-3 as mycoherbicide to control barnyard grass, the effect of inoculum potential and spray volume on the pathogenicity of strain AAEC05-3 to barnyard grass and host specificity of strain were studied using pot experiment.

为了确定稗草生防菌狭卵链格孢Alternaria augustiovoidea菌株AAEC05-3防除稗草的潜力，研究了其孢子接种浓度和喷液量对该菌株致病力的影响及菌株的寄主专化性。

At 0.75 and 1.50L/ha, quizalofop-p-tefuryl exhibited good control of grass weeds as Echinochloa colona, E. crus-galli, and Eleusine indica. In the post-emergence screening test, quizalofop-p-tefuryl gave acceptable weed control with adequate crop safety.

综合桃园、台南及高雄区农业改良场之药效试验结果，测试药剂quizalofop-p-tefuryl於禾本科杂草3-6叶时，以每公顷0.75公升及1.50公升全面均匀喷施，皆可有效防除芒稷、牛筋草、及稗草等禾本科杂草，但对阔叶及莎草科杂草之防除效果较差。

The inspection items include Harmful existences( pathogenic microbes, celozoic and ectozoic parasites, insects, weeds and other harmful substance);Residues(pesticides and veterinary drug residues, heavy metal, chemical toxins, toxic substances, trace elements) etc.

检验项目包括有害生物（病原微生物，体内、外寄生虫，昆虫、有害物质、杂草等）、残留（农药与兽药残留，重金属，生物与化学毒素，有毒物质，超标的微量元素）等。

Harmful existences: pathogenic microbes, pests (celozoic and ectozoic parasites, insects), weeds and other harmful substances.

有害生物：病原微生物，虫，害

There you must have seen a really old farmhouse with a thatched roof, where moss and weeds have planted themselves; a stork's nest decorates the chimney (you can never do without the stork); the walls are slanting; the windows are low (in fact, only one of them was made to open); the baking oven sticks out like a fat little stomach; and an elderbush leans over the gate, where you can see a tiny pond with a duck or ducklings, under a gnarled willow tree.

三角墙的屋脊上有个鹳鸟窠，因为我们没有鹳鸟是不行的。房子的墙歪斜着，窗子都很低，而且只有一扇是做出来让人开的。烤炉从墙上突出来像个壶肚子。一棵接骨木树悬在围篱上；围篱脚边有一个水池，水池里有只母鸭或者几只小鸭子在戏水，就在一棵节节疤疤的柳树底下。

There were five species of perennial weeds, i. e. Potamogeton distinetus , Sagittaria pygmaea , Eleocharis plantagine f ormi , J uncellus serotinus , and Seirpus planiculmis in the system.

结果表明，眼子菜、矮慈姑、野荸荠、水莎草、扁秆藤草等5种多年生杂草种子和块茎主要分布在0～15cm耕作层内，并以营养繁殖为主。

To evaluate the potential of several biodiesels, which had different content of fatty acid methyl ester, as substitute solvent for quizalofop-p-ethyl emulsifiable concentrate, the type and content of fatty acid methyl esters in tested biodiesels were analyzed by gas chromatography, and 5% quizalofop-p-ethyl ECs were prepared with different biodiesels, respectively. The control test against gramineous weeds by the 5% quizalofop-p-ethyl ECs were carried out in greenhouse.

为评价不同来源生物柴油作为溶剂配制精喹禾灵乳油的效果，采用气相色谱法测定了几种生物柴油中脂肪酸甲酯的种类及含量，利用相应制备的5%精喹禾灵乳油进行了防治禾本科杂草的盆栽试验，同时比较了不同生物柴油对药剂稀释液表面张力、干燥时间和在叶片表面沉积量等药液物理性状的影响。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。