粉虫
- 与 粉虫 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Entomophily Pollination by insects.
虫媒:是植物通过昆虫进行传粉授粉的一种方式。
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Saponin is easily soluble in alkaline liquid and he curative effect gets better when you add a little limewater.
茶粕粉广泛应用于鱼塘清塘、高档草坪杀虫等,同时它还是一种很好的有机肥料。
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Spatial distribution pattern of larvae of Aleurocanthus spiniferus in citus garden was studied by means of some distribution parameters such as mean crowding, David and Moor's clustering index, index of patchiness, proliferation index, the distribution of negative binomial, Iwao's patchiness, the and Taylor's law. The results showed that the spatial distribution pattern of larvae under all densities appeared to be aggregation distribution, which is characterized by individual attraction and predominant individual group such as cored distribution pattern.
通过运用平均拥挤度m、 David和Moor的丛生指数I、聚块性指数mm、扩散指数C、负二项分布K值等多种聚集度指标和Iwao的m-m回归分析法、Taylor幂法则,研究了沙糖桔园柑桔黑刺粉虱若虫的空间分布格局,结果表明该虫在所有密度下均呈聚集分布,个体间相互吸引,分布的基本成分是个体群。
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Microfossils, including spores, pollen and radiolarian, were found in the Mesozoic which was first encountered in Well MZ-1-1 in the north of the South China Sea.
MZ-1-1钻井首次在南海北部珠江口盆地揭示了中生界,获得了可确定地层时代和沉积环境的孢粉和放射虫化石。
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Help advance somebody's career what what is appropriate to the occasion offers fixed rate is shady, maintain temperature to be in 12, 29 ℃ left and right sides, winter temperature appropriate is maintained in 16, 18 ℃, chun Xia two season grow exuberant, need taller air humidity, can undertake sparge; To soil the requirement does not father very, but the requirement keeps measurable and wet, grow seasonal, about 2 weeks apply fertilizer, and winter soil can work a bit and cool, reduce fertilization number; The method of minute of root is used more when breed; At Chu Xia season undertakes, return the method that can use cuttage additionally; Main pest has powdery flea, red spider, aphid, scale insect to wait.
栽培时宜给予一定程度的遮阴,并保持温度在12—29℃左右,冬季温度宜维持在16—18℃,春夏两季生长旺盛,需较高空气湿度,可进行喷雾;对土壤要求不甚严,但要求保持适度湿润,生长季节,约2周施一次肥,而冬季土壤可稍干和凉爽,并减少施肥次数;繁殖时多采用分根的方法;于初夏季节进行,另外还可采用扦插的方法;主要害虫有粉蚤。红蜘蛛。蚜虫。介壳虫等。
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By the provincial quality inspection center and the analysis of the Ministry of Agriculture and spring potato starch containing 33%, 45% of the dry summer potato powder with 26.07%, 39.7% with a dry mg VC27.8%, fiber 1.11%, 1.34% crude protein , by the National Quality Research Center, Xuzhou Sweetpotato analysis and disease identification, Xu potato starch production 18 production 20%, high resistance to stem nematode, root rot resistant, and suitable for potato area in the spring to promote the general spring potato yield 3500-6500 kg, the top national leading indicators.
经省质检所和农业部检测中心分析,春薯含淀粉33%,出干45%,夏薯含粉26.07%,出干39.7%含VC27.8%毫克,纤维1.11%,粗蛋白1.34%,经国家徐州甘薯研究中心品质分析和抗病鉴定,淀粉产量比徐薯18增产20%左右,高抗茎线虫病,中抗根腐病,适宜在春薯区推广,一般春薯亩产3500-6500公斤左右,各项指标名列全国领先水平。
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Chrysopa septempunctata Wesmael is a kind of important natural enemy insects, which can control agricultural and forestry pests effectively, such as aphids, coccids and aleyrodid. Due to wide feeding habits, large appetite, wide distribution and large quantity, it has been paid great attention to by biological control workers.
大草蛉Chrysopa septempunctata Wesmael是一类重要的天敌昆虫,能够有效地控制蚜虫、蚧虫、粉虱等农林害虫,由于它的食性广、食量大、分布广、数量多而深受国内外生防工作者的重视。
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Better prevention and control of pesticides will be marked with objects, such as imidacloprid, Actara, Le Meridien, for sucking mouthparts of the aphid, whitefly, leafhopper, canarium; 15% more than for the control of anti-ADM Alternaria mali disease, pear black spot disease; Celest Fusarium, Rhizoctonia diseases caused by a high control effect; Diflubenzuron Insect Growth Regulators such as applied to control pests and moths Phyllocnistis Mosquitoes pest, Avermectin streptozotocin on the type of anti-mite efficient.
好农药都会标明防治对象,如吡虫啉、阿克泰、艾美乐,适用于刺吸式口器的蚜虫、粉虱、叶蝉、木虱;15%多抗霉素用于防治苹果斑点落叶病、梨黑斑病;适乐时对镰刀菌、丝核菌引起的病害具有很高的防效;灭幼脲等昆虫生长调节剂适用于防治潜叶蛾类害虫和蚊类害虫,阿维菌素对叶螨类防效高。
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Four varieties and five different groups (25-200 plants ) were used for 3 years in the research, and anemogamy and entomophilous pollination in nature was used as the check,and agronomical character, chromosomes and isoenzymes were studied.
连续3年,选用4个品种,设25~200株5种不同群体,采用人工授粉等5种授粉方法,以自然条件下风、虫自然传粉为对照。从农艺性状调查,染色体观察及同工酶分析方面进行研究。
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Flowers solitary, axillary, long pedunculate, bisexual, hypogynous to epigynous, actinomorphic, entomophilous, mostly emergent.
花单生,腋生,有长花序梗,两性,下位到上位,辐射对称,虫媒传粉,大部分露出水面。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。