leaf roller是什么意思

用法例句

A clonally propagated F_2 population(F_2CP),derived from the rice cross of Qimiaoxiang/91SP068,was used to map rolled leaf QTLs.

以水稻平展叶品种奇妙香和中度卷叶品种91SP068组合的F2无性系群体为定位群体,利用微卫星标记(SSR)对卷叶基因进行定位。

Two representative varieties,Guangchaosimiao,a semi-rolled flag leaf indica variety,and another one,Ketan Nangka,a flattend leaf javanica variety,were used to study rolled leaf trait.

以水稻平展叶品种Ketan Nangka和剑叶中度卷曲的广超丝苗杂交F1衍生的185个F2单株为定位群体,利用110个微卫星标记(SSR)对卷叶基因进行初步定位。

The studies on the relationship between rice rolled leaf and plant type or economic traits was reviewed.

分析了水稻卷叶性状与株型的关系及对经济性状的影响;概述了卷叶的机制和物理学、生理生态学效应;综述了卷叶的经典遗传与分子遗传学研究;展望了卷叶资源及其在杂交育种中的应用;探讨了水稻卷叶性状在遗传学和生理生态学研究方面存在的问题和进一步研究的思考。

The mutants ofrolled-leaf and sma.

本研究的内容主要包括卷叶突变体和小粒突变体的筛选，初步建立起适合该群体的扩增T-DNA侧翼序列的PCR-Walking技术体系，已扩增了部分突变体基因组中的T-DNA侧翼序列，并对部分侧翼序列进行了分析。

Based on the theories and principles of phytochemistry and modern chemical isolation and purification methods, with the conventional and new skill, the chemical constituents and bioactivities of Polygonatum odoratum and Ploygonatum cirrhifolium of Qinling mountain were studied.

本文以植物化学和现代化学分离理论为基础,采用常规技术和新技术相结合的方法,以玉竹和卷叶黄精根茎为试材,对秦岭地区黄精属植物的化学成分及其生物活性进行了研究,从中共分离出30个化合物,运用理化性质和各种波谱技术鉴定了25个化合物结构,其中有4个新化合物,分别为碳甲基化高异黄烷酮、25S构型的甾体皂苷和酰胺类化合物。

Steroid Saponins of Polygonatum cirrhifolium Root and Their Antisepsis Activity;

卷叶黄精根中甾体皂苷化学成分及其抗菌活性

Content Determination and Extraction of Steroids Saponins from the Root of Polygonatum cirrhifolium;

卷叶黄精总皂苷含量测定方法及提取工艺研究

Allelopathy Effects of Different Polarity Allelochemicals from Polygonatum cirrhifolium Root;

卷叶黄精根不同极性化感物质的化感作用

Four different types of insecticides were tested on their controlling effects on Chilo suppressalis and Cnaphalocrocis medinalis.

2006年选择4种杀虫剂进行了防治水稻二化螟兼治纵卷叶螟田间药效试验。

The trials were conduced on the efficient pesticide against the rice case worm,Cnaphalocrocis medinalis(Guenee) which was a kind of stubborn pests.

为寻求防治顽固性害虫稻纵卷叶螟的高效农药,通过室内配方筛选试验,甲维盐与毒死蜱复配1:99配比对稻纵卷叶螟杀虫活性最高,共毒系数206。

Inheritance of Resistance to Lamprosema indicata (Fabricius) in Soybean;

大豆对豆卷叶螟Lamprosema indicata(Fabricius)抗性的遗传分析