碳?xì)浠衔?/c>主要油脂類提取正己烷氯仿或從表面角質(zhì)層越冬蟲癭蒼蠅幼蟲。
Overwintering anti early rearing of Latrodectus tredecimguttatus baby spiders is the key of artificially rearing the spiders.
間斑寇蛛幼蛛過(guò)冬和早期飼養(yǎng)管理是人工飼養(yǎng)的關(guān)鍵。
The effect of cultivation methods on several broad-leaved evergreen plants'overwintering adaptability in Beijing.
栽培措施對(duì)北京幾種常綠闊葉植物越冬適應(yīng)性的影響。
The results indicated that the overwintering rates of all 4 alfalfa cultivars reduced gradually with increase of cutting frequency.
結(jié)果表明,隨著刈割頻率的增加,4個(gè)紫花苜蓿品種越冬率均逐漸降低。
Second, we must clear the weeds around the park and reduce nutrient consumption and destruction of pests and diseases overwintering sites.
二要清除園內(nèi)及四周雜草,減少養(yǎng)分消耗,破壞病蟲害越冬場(chǎng)所。
Effect of Temperature and Nutrition on Overwintering of Coccinella .
溫度和營(yíng)養(yǎng)食物對(duì)十一星瓢蟲越冬的影響。
Based on the above results and climate information, the overwintering areas of cotton bollworm in Xinjiang Region is analyzed in this paper.
依據(jù)上述研究結(jié)果,結(jié)合新疆地區(qū)的冬季氣候特點(diǎn)提出了棉鈴蟲在新疆地區(qū)的越冬區(qū)劃。
Effects of breaking diapause on the reproduction of Orius sauteri overwintering adults .
人為打破滯育對(duì)東亞小花蝽越冬成蟲生殖的影響。
Helophyte Aperennial marsh plantthathas its overwintering buds under water. An examples bulrush(Typha).
多年生的沼澤植物,具有水下越冬芽。例如蘆葦(香蒲)。
Ecological Study of Overwintering Black-faced Spoonbill and Conservation Strategy
黑臉琵鷺越冬期生態(tài)學(xué)研究及保護(hù)對(duì)策
Overwintering temperature fissure of reinforced concrete box form structure and its prevention and safeguard
鋼筋混凝土箱形結(jié)構(gòu)的越冬溫度裂縫與防護(hù)
The Spatial Distribution and Its Application of the Overwintering Larvae of Dendrolimus punctatus wenshanensis
文山松毛蟲越冬代幼蟲空間分布型及其應(yīng)用
Relationship between the overwintering generation and the first generation of the beet webworm
草地螟越冬代蟲量與第一代草地螟發(fā)生關(guān)系的研究
Selection of sample trees for the investigation of Dendrolimus punctatus overwintering generation
馬尾松毛蟲越冬代蟲口調(diào)查樣樹的選擇
Freezing Tolerance in Leaves and Crowns of Tall Fescue and Their Relation to the Contents of Carbohydrates and Proline During Overwintering
越冬期間高羊茅葉片和根頸的抗凍性與碳水化合物和脯氨酸含量的關(guān)系
Production techniques of raising sugarbeet seed germination percentage on overwintering method
提高露地越冬甜菜種子發(fā)芽率的技術(shù)措施
Investigation and Analysis of the Orange Diseases in Wulingshan Mountain and its Overwintering
武陵山區(qū)橘類果樹病害的調(diào)查分析及其越冬防治
Effects of combined top application of inorganic nitrogen and potassium on the yield and quality of overwintering tomato in greenhouse
氮鉀化肥配合追施對(duì)日光溫室番茄越冬長(zhǎng)季節(jié)栽培產(chǎn)量與品質(zhì)的影響
Species composition of overwintering arthropod community in rice habitats in Wuyishan, Fujian Province
武夷山稻田生境越冬節(jié)肢動(dòng)物群落的物種組成
The Sifting, Cultivating, Caring and Developing of the New Variety Overwintering Wild Cabbage
越冬甘蘭新品種的篩選、栽培、管理及開(kāi)發(fā)
Investigation on the overwintering status of Dendrolimus tabulaeformis Tsai et Liu and its influence on winter control
油松毛蟲越冬狀況及其對(duì)冬防效果的影響
Comparison of Two Overwintering Ways for Chinese Alligator in Captivity
人工飼養(yǎng)條件下揚(yáng)子鱷兩種越冬方式的比較
Effect of Temperature on Hatching Rate of Overwintering Eggs and Survival Rate of Fundatrix of Cotton Aphids
溫度對(duì)越冬棉蚜卵孵化率和干母存活率的影響
Changes of Physiological Function of Overwintering Leaves During the Process of Spring Shoots Growth of Tea Plant
春梢生育期間茶樹越冬葉生理機(jī)能的變化
Preliminary studies on cultivating techniques of Pyrethrum cinerariifolium overwintering in Northern China
除蟲菊北方越冬栽培技術(shù)初步研究
Investigation on population dynamics of Bemisia tabaci and its overwintering in cucumber planted field
煙粉虱在黃瓜上的種群動(dòng)態(tài)及其越冬情況調(diào)查與分析
The Influence of Potassium Fertilizer on the Character of Overwintering and Agronomic Characters of Winter Wheat
鉀肥對(duì)冬小麥越冬性及農(nóng)藝性狀的影響
Overwintering Death Cause of Winter Wheat and Its Preventive Measures in Huan County
環(huán)縣冬小麥越冬死亡原因及預(yù)防措施
Investigation on the Parasitoids and Pathogens of the Asian Corn Borer Overwintering Larvae in Corn Belt of China
我國(guó)玉米主產(chǎn)區(qū)亞洲玉米螟越冬幼蟲天敵調(diào)查
Management Technique of Overwintering Vegetable Growth in Greenhouse
大棚蔬菜越冬管理技術(shù)