Quantitative structure-activity relationship studies showed that when the test grass was rape, their herbicidal activity was mainly related with substituent molar refractivity; when the test grass was barnyard grass, their herbicidal activity was mainly related with the electronic parameters of the substituents at the para-position of benzene ring.

定量的結構與活性關系研究表明欧美精美视频一区二区三区四区，當作用對象為油菜時点击进入的免费一级毛片，化合物的活性可能主要與取代基R的摩爾分子折射常數(shù)有關久久公开免费视频观szs；當作用對象為稗草時欧美激情片在线观看，化合物的活性可能主要與取代基R的電性參數(shù)有關。1-位為氫時一级涉黄，有利于對油菜生長的抑制九九九色视频；1-位為甲基時，有利于對稗草生長的抑制欧美在线免费观看视频。

Xanthomonas campestris pv. campestris is the causal agency of the black rot disease of cruciferous plants.

野油菜黃單胞菌野油菜變種是十字花科作物黑腐病的病原菌。

Xanthomonas campestris pv. campestris is the causal agent of black rot disease of crucifers worldwide. In both plant and mammalian Gram-negative pathogenic bacteria, type III secretion systems, encoded by hrp cluster, play a crucial role in interactions with the host. The proteins assembled TTSS were highly conserved.

野油菜黃單胞菌野油菜致病變種是一種能在全球范圍內引起所有十字花科植物黑腐病的重要病原細菌人人澡人人爽人人夜夜。hrp基因簇編碼的Ⅲ型分泌系統(tǒng)在動植物病原細菌和寄主互作過程中起著極其重要的作用自拍偷拍精品专区。

The result of study showed:1 The effect of some inorganic urea inhibitor enzyme indicated boracic acid inhibits the activeness of urea enzyme in soil well, delayed the speed of urea hydrolysis in the soil and decreased the volatilization of ammonia , boracic acid,can be chosen as a inorganic urea enzyme inhibitor.2 The effect of some organic urea inhibitor enzyme showed that the dissociative Humic Acids of turfy soil and weathered coal inhibit the activeness of urea enzyme in soil well.

室內模擬試驗，對幾種緩釋氮肥的釋氮研究表明色色肉肉视频，和其它幾種氮肥相比尤物成人高清在线观看网址大全免费，PCF和PSF的控氮時間都較長。 6欧美三级网站。盆栽試驗表明亚洲图片一级色，PCF的釋氮效果比其它緩釋氮肥的要好，且在油菜生育的各個時期最美情侣高清免费观看，釋氮都較充足中文字幕网无码人妻精品18区，是適合油菜的良好緩釋氮肥。

We also found that CycD3 induction and BRR8 repression by BR involved no protein phosphorylation/dephosphorylation, and also occurred in cells of bril, a BR insensitive mutant in which BRI1 pathway is blocked.

對油菜素內酯誘導CycD3和抑制BRR8途徑的分析發(fā)現(xiàn)自拍偷拍小说区，油菜素內酯對這兩個基因的調控不是通過目前業(yè)已發(fā)現(xiàn)的BRI1途徑爱情岛论坛首页无码免费，而是通過一條新的信號途徑實現(xiàn)的日本一区,二区,三区AⅤ视频。

According to the results, 2BYF-6 no-tillage rape combine seeder can bring into operation in the Dongting Lake area successfully with high economic value and social benefits.

試驗結果顯示采用2BYF-6型油菜免耕直播聯(lián)合播種機在洞庭湖區(qū)的機播油菜試驗是成功的。

As an important plant in 21st century,rape digitalization is one of important research methods.

作為21世紀的重要作物8x成年视频在线观看免费，油菜的數(shù)字化是油菜的重要研究方法狼友视频在线的。

Farmers there used to eat off the coleseed with sheep so as to make them fit for the butcher.;他們已經在油菜地里播了種.- They seeded in the field of rape.;相關詞條:rape;cole;colza;greasepaint

例句參考：油菜籽油菜類植物的果實- The seed of the rape plant。精品丝袜国产在线精品不卡；那里的農民過去總是讓羊吃掉田里的油菜男人网站在线观看网站不卡，這樣好把它們養(yǎng)壯了送進屠宰場。

In order to understand the effect of Ogura sterile cytoplasm on interspecific crossability between Brassica napus and Raphanus sativus, three radish cytoplasmic male sterilie lines of B. napus and their corresponding maintenance lines were used as female parents to hybridize with R.

用三個甘藍型油菜蘿卜細胞質雄性不育系及其相應的保持系作母本與蘿卜雜交免费观看黄网站不卡影院视频，以了解Ogura不育胞質對甘藍型油菜與蘿卜種間可交配性的影響幸福宝app官网在线入口。

The role of T4SS on disease development is wellestablished at the case of crown gall tumors induced by Agrobacteriumtumefaciens. Xanthomonas campestris pv.

野油菜黃單胞菌野油菜致病變種(Xanthomonas campestris pv.campestris，Xcc)是一種能在全球范圍內引起所有十字花科植物黑腐病的重要病原細菌客人的黄色一级片操操操。