1) annual population dynamics
年发生规律
1.
Figuring out the annual population dynamics of Diaphorina Citri Kuwayama is the basis to effectively control Diaphorina citri Kuwayama and Huanglongbing.
柑桔木虱没有得到有效控制是正常管理柑桔园黄龙病发生严重的最重要原因,弄清这些果园柑桔木虱种群的年发生规律是有效防治柑桔木虱和柑桔黄龙病的基础。
3) happenning pattern
年周期发生规律
1.
By means of studying the happenning pattern of pear iron deficiency during a year in Weibei district and its controlling techniques,the results were as followings.
对渭北地区酥梨缺铁黄化症年周期发生规律和自流式树干注射防治缺铁黄化症技术进行了研究。
4) Annual growth rhythm
年生长规律
1.
Breeding techniques and annual growth rhythm of Picea mongolica seedlings;
沙地云杉育苗技术及苗木年生长规律研究
5) occurrence rule
发生规律
1.
Occurrence Rules;
不同玉米品种黄斑病发生规律研究
2.
Study on occurrence rule and control of powdery mildew in Osmunda japonica;
薇菜白粉病的发生规律及防治技术研究
3.
The project studied the living habits, occurrence rule, natural population life table and carried out experiment of integrated control by investigation in fields.
通过对甘草胭脂蚧(Porphyrophora ningxiana)的田间调查,生活习性、发生规律、自然种群生命表以及综合防治试验研究,结果表明:该虫一年发生一代,成虫寿命7-10d,卵以卵袋的形式产于 2-6cm的土壤中。
6) Occurrence law
发生规律
1.
Pathogen identification and occurrence law of ginger root-knot nematode disease;
生姜根结线虫病原鉴定及发生规律
2.
Study on the occurrence law of Colletotrichum of mango was carried out to find out the relationship between disease and conditions in mango orchard, it gives the integrated management in this paper.
通过对海南芒果炭疽病发生规律和病害与果园土质、气象因素、品种、肥料管理关系的研究,并进行了农药筛选试验,在此基础上提出了相应的综合防治措施。
3.
The occurrence law and control techniques of Pseudococcus maritimus(Ehrhom) in Moyu County,Xinjiang in 2004～2006 were studied and investigated.
2004~2006年,在新疆墨玉县对真葡萄粉蚧发生规律及防治技术进行了调查研究。
补充资料：年发
1.年龄与鬓发。年渐老则鬓发渐白，故亦用以指衰老。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条