英语人>网络例句>木虱的 相关的搜索结果
网络例句

木虱的

与 木虱的 相关的网络例句 [注:此内容来源于网络,仅供参考]

Any of various jumping plant lice of the family Psyllidae, especially of the genus Psylla, which includes several species that infest fruit trees.

木虱一种木虱科植物跳虱,尤指属于跳虱属的木虱,有不少品种是侵害果树的

Pear leaf psylla psylla pyrisuga Forster were fed on Pyrus pyriforis Nakai leaves at 20-30℃and at 60-90% of relative humidity with 25℃. The results showed that the optimuM temperature for the development of the eggs,nymphs and the whole generation was shown to range from 20. 0-22.5℃, 22.5-25℃. and 22. 5-25℃, respectively. The optimun temperature for the reproduction of the female adults was 25℃.

以砂梨叶作饲料,研究了20、 22.5、 25、 30℃四种温度和在25℃条件下,60%、70%、80%、90%四种相对湿度对梨木虱Psylla pyrisugaForster生长发育和繁殖的影响,结果表明梨木虱卵期、若虫期和全世代生长发育最适温度分别为20-22.5℃,22.5,25℃和22.5-25℃,雌成虫繁殖最适温为25℃。

Studying pests of Gold-Autumn Pear in Da-long Country Long-tian Local Government in Hong-jiang City from February 2003 to October 2004, we primarily think Gold-Autumn Pears diseases include Gymnosporangium haracanumsyd, Venturia Pirina Aderh, Alternaria Kikuchiano Tanaka, Physalospora piricola Nose, and its insects include Psylla Pyrisuga Forst, Cinacium iakusuiensis kishida, Janus Piri Okamoto et Muramatsu,Toxoptera Piricola Mats, Urochela Luleovaria Distant, Eucleidae. Its main diseases are Gymnosporangium haracanumsyd, Venturia Pirina Aderh and Alternaria Kikuchiano Tanaka, main insects are Psylla Pyrisuga Forst, Cinacium iakusuiensis kishida.

通过2003年2月—2004年10月两年间在湖南省洪江市龙田乡大垅村对金秋梨病虫害防治的研究,初步确定了金秋梨上的病害有:梨锈病、梨黑星病、梨黑斑病、梨轮纹病,虫害有:梨木虱、梨黄粉蚜、梨茎蜂(Janus Piri Okamoto et Muramatsu)、梨星毛虫、梨二叉蚜Toxoptera Piricola Mats、梨蝽象(Urochela Luleovaria Distant、刺蛾等,其中以梨锈病、梨黑星病、梨黑斑病为主要病害,以梨木虱、梨黄粉蚜为主要虫害。

Part of the answer is an insect called the potato psyllid.

但一种叫作马铃薯木虱的昆虫负有部分责任。

It appears to be related to a bacterium transmitted by the potato psyllid's relative, the citrus psyllid.

该细菌似乎和马铃薯木虱的亲缘生物——柑桔木虱——传播的细菌有亲缘关系。

Asian citrus psyllids in the feeding process pd wave does not appear, from this point speculate Asian citrus psyllids lower lip and stylet have developed chemical receptors.

而在亚洲柑桔木虱整个取食过程中pd波并未出现,从此点推测亚洲柑桔木虱下唇和口针上有发达的化学感受器。

It was different in the occurring time and quantity of dominant species: in early spring, there were more Psyllidaes in the dense planted area, but more main pests Opatrums and Scarabeidaes and their nature enemies Carabidaes and Spiders in the low planted area. After autumn, the quantity of Psyllidae was the largest in the low planted area, but the least in the dense planted area.

群落个体数稀植区在大部分时间内均高于其它2区。3个区的主要优势害虫及其天敌在发生时间和数量上有一定差异,早春密植区木虱发生数量较大,稀植区中砂潜、金龟子类害虫以及步甲、蜘蛛类天敌数量相对丰富,入秋后稀植区木虱发生量最大,密植区最小。

The results showed that the functional response of adults of D.punctulatus to second instars of P.sinica was fitted to Holling Ⅱ-type equation and the equation was Na=0.964 9 N/(1+0.313N).

结果表明,食虫齿爪盲蝽对枸杞木虱的捕食功能反应符合HollingⅡ型反应,拟合的圆盘方程为Na=0.964 9N/(1+0.313N)。

Eustigmata tamaricina is only species of psyllids which could form galls on Tamarix in the north of Xingjiang, China.

幽柽木虱是新疆北部地区唯一形成虫瘿的木虱种类。

The transmission electron microscopy was employes. The psyllids were able to transmit Las to their host plants 7 days after acquisition from the Las-infected plant.

为了解黄龙病菌在柑橘木虱体内的活动过程及对木虱之可能影响,应用穿透式电子显微镜观察黄龙病菌在柑橘木虱体内的循环过程。

第1/4页 1 2 3 4 > 尾页
推荐网络例句

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。