The study was to provide a base for the accurate forecast of epidemic degree and scientific and reasonable prevention of wheat scab.

準確開展小麥赤霉病流行程度預(yù)報精品欧美日韩一区二区三区，科學合理地防治小麥赤霉病。

Based on the Malthus and Weibull differential equations of epidemic state,the cybernetic models of epidemic dynamics of wheat scab were developed according to the extreme value principle,and the optimum control trajectories were given.

根據(jù)不同的狀態(tài)微分方程中文无码网站，以極大值原理建立小麥赤霉病流行動態(tài)的控制論模型一级AAAAAA片毛片在线播放，得到流行動態(tài)的最優(yōu)控制軌線。

Wheat ; wheat scab disease resistance ; new strain ; selection

小麥欧美一A片网站；抗赤霉?99日本男人天堂啊啊啊。恍缕废蹬访朗悠底ㄇ欢谙吖劭矗贿x育

The results showed that the temperature had the tendency of increasing in these regions; the rainfall, raining days and relative humidity had no significant changes; the index of K was over 0 in most areas, that is, the possibility of wheat scab occurrence will be increased year by year.

結(jié)果表明日本超碰黄色网站，冀京津區(qū)域氣溫有增加趨勢一级A片又黄又刺激免费视频，有利于小麥赤霉病的發(fā)生流行；冀京津區(qū)域降雨量黄片免费一级视频、降雨日數(shù)www.凹凸视频.com、相對濕度等氣象因子未表現(xiàn)出明顯的變化；大部分地區(qū)K指數(shù)大于099福利国产大黄片，即春季小麥赤霉病發(fā)生流行的可能性逐年加大先锋资源综合。

Breeding wheat cultivars with low deoxynivalenol content is an effective approach to control the toxin contamination in wheat grains caused by wheat scab. In this paper, two methods for the determination of DON content in wheat grains, DON test-HPLC and GC-MS, were compared.

為選育赤霉病毒素含量低的小麥品種，減輕赤霉病危害国产日韩av免费，在比較了免疫親和柱液相色譜法(DON test-HPLC)和氣質(zhì)聯(lián)用法測定小麥中毒素含量的特點的基礎(chǔ)上无码中文人妻在线二区，利用兩種方法對自然發(fā)病和赤霉病菌人工接種的小麥籽粒DON含量進行測定。

The antagonistic bacteria P72 had strong antagonistic ability to wheat scab pathogen and stable antibacterial activity as well as thermal stability, so it would possess a wide development prospect.

結(jié)論］小麥赤霉病拮抗菌P72對小麥赤霉病菌的拮抗能力較強人人爽,人人操，抗菌活性較穩(wěn)定爽A一级资源免费日干，且熱穩(wěn)定性較好，有廣闊的開發(fā)前景日本黄色免费网站在线观看。

As a result of the joint test experiment conducted by the Wheat Scab Disease Research Cooperation Team in China of 1981, 13 wheat strains bred in our college were considered to be the most prospective among 30,000 wheat germplasm collections.

本文概述了60085等13個小麥抗赤霉病新品系的選育經(jīng)過国精品无码一区二区三区免费视频、鑒定結(jié)果及其利用價值。這些新品系于1981年經(jīng)全國小麥赤霉病研究協(xié)作組聯(lián)合鑒定久久久国产精免费视频，在3萬多份品種資源材料中抗病性表現(xiàn)突出欧美另类A片在线播放。

On soil fungi, Fusarium root shell mold, Rhizoctonia, Pythium, Miao-rot fungus, Corticiumpathogens have a significant effect on the damping-off,diseases, damping-off, Fusarium wilt, Verticillium, Sclerotinia, Colletotrichum, disease, dry rot, scab, Sclerotinia rot, seedling blight, stem blight, leaf blight, steep root, even the special effects for the continuous cropping obstacles.

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In his heart of hearts, he sympathised with the strikers and hated this " scab ."

但在他的內(nèi)心深處，他是同情罷工并且憎恨這個&工賊&的国产一区免费视频。