本文综述了我国在玉米茎基腐病和穗腐病病原学、致病性和寄主抗性机制与综合治理的研究进展。
This review provides a broad overview of etiology, mechanism of pathogenesis and host resistance and IPM strategies involved in maize stalk rot and ear rot diseases in China.
对黄花蒿产量表现出为直接正向效应的性状有株高、茎基粗、节间距,表现直接负向效应的性状为叶片宽度。
The yield had positive direct influence to plant height, stem bottom diameter and distance of internode, and the opposite influence was from width of leaf.
植株干重、总叶面积和总匍匐茎长度具有显著的基株间差异。
Additionally, genotypic (genet) variation of plant dry weight, total leaf area and total stolon length in the experimental plants was found.
在茎尖再生体系建立的过程中,不同培养基上外植体丛生芽发生的方式和芽尖倍增数均不同。
In the process of established regenerate system from shoot meristems, the mode of tussockybud occurring and multiplication of shoot meristems were all different.
方法采用正交试验设计和完全随机实验设计筛选罗汉果脱毒苗茎段增殖培养基。
Methods the selection of the fitting shoot segment multiplying culture media was studied by orthogonal test design and completely random experimental design.
毛樱桃茎尖在MS,G,L三种培养基上均可增殖生长,但以在L培养基中生长较好。
Manchu cherry shoot tips can propagate on such three kinds of mediums as MS, G and L mediums, growing vigorously on L medium.
以蝴蝶兰试管苗茎尖为外植体,接种于添加不同浓度激素配比的1/2 MS培养基上进行原球茎诱导。
The stem tips of phalaenopsis test-tube shoot were used as explants to be cultured in the medium(1/2MS) with different concentrations of hormones.
以大叶黄杨的幼茎段为外植体,在添加BA和NAA、IBA、2,4-D不同激素组合的MS培养基上培养,对其愈伤组织进行诱导试验。
With young stem segment of Euonymus japonicus as explants, callus induction were studied on MS basal medium supplemented with different hormone combinations including BA and NAA, IBA , 2,4-D.
以金边瑞香茎段为外植体,探讨了不同培养基对愈伤组织诱导、愈伤组织分化的影响。
These young stems as explants placed on different media formed calli, whose amount then increased by different cultures on different media and for different generations.
结果表明:菜心的茎端生长点、菜苔及基茎均存在CT K类物质。
The results showed that CTK existed in the growing tip, the flowering stalk and the it's base part.
以MS作为基本培养基,离体培养千头菊带腋芽茎段。
Stem segments of Chrysanthemum morifolium with axillary bud were cultured in vitro on base MS medium.
以红实美草莓匍匐茎剥取茎尖,不同大小茎尖接种到不同配方的茎尖诱导培养基中。
Taking the stem points of the red solid beautiful strawberry, the different big and small stem points are vaccinated in the different formula stem point induction culture medium.
在改良MS培养基中加入几种中草药剂处理,研究对葡萄茎尖组培苗生长势的影响。
The extracts of several Chinese medicinal herbs were separately added into the improved MS culture medium to study the effects on the growth of grape stem- apex in vitro.
以东方百合品鳞片为外植体,采用MS培养基和不同外源激素配比,进行组织培养,研究其茎尖分生组织分化。
Meristem culture of Oriental Hybrid Lily through its scales was studied in MS medium with different external hormone treatments.
茎段培养在MS或改良MS基本培养基中,研究植物激素对器官形成的影响及试管苗移栽技术。
Their stem explants were grown in MS or modified MS basal medium. The effects of plant hormones on organogenesis and transplanting of test-tube plantlets were studied.
以5 a生曼地亚红豆杉当年生枝条的带芽茎段为外植体,用MS作基本培养基,进行NAA和6 - BA的单因素浓度梯度组织培养试验。
Tests were made on current-growth branches of 5-year-old Taxus media on MS culture medium with different consistency of NAA or 6-ba.
紫茎泽兰的茎水提液对台闽苣苔有一定程度的化感作用,当提取液在培养基中的浓度为1.6%时,对台闽苣苔幼苗生长的抑制效应达到40%。
The aqueous stem extracts of E. adenophorum showed some impacts on T. oldhamii. Seedling growth of T. oldhamii were inhibited 40% when the stem extracts of E. adenophorum was 1.6% .
以大白杜鹃茎尖及茎段为试验材料,研究了基本培养基及激素配比等对大白杜鹃芽的诱导增殖的效果。
The stem tips and segments of Rhododendron decorum Franch were cultured on 4 different basic media plus different proportion of hormones to investigate its abduction and multiplication effects.
石楠的组织培养以石楠的新梢茎段、种胚和叶片为材料,主要探讨组织培养过程中各种最佳培养基、组织培养条件及组织培养过程中存在问题如外植体污染、褐化等问题的解决方法。
Using the fresh shoots, seed and leaves as the materials, the optimal medium and culture condition are studied, finding the methods to solve the matter of explants pollution and browning.
以艾西丝南瓜带芽茎段为外植体,研究了基本培养基、激素、糖、光照、培养基支持物等因子对芽增殖及不定根形成的影响。
The effects of minimal media, hormones, sugar, light and supports of media on shoot propagation and root formation were studied in tissue culture of pumpkin (Cucurbita moschata).
结果:将茎段愈伤组织接种在含有0。2%秋水仙素的培养基上,通过培养形成的多倍体植株诱导率为12。
Result: The polyploid of P. chinense was obtained using calli with stem treated with 0.2% colchicines medium, the inducing rate reached 12.45%.
选用花楸茎节为外植体进行组培腋芽增殖途径研究,结果表明利于花楸生长的最适宜基本培养基为MS培养基;
In order to study the rapid propagation technology for Sorbus pohuashanensis stem segments with axillary buds were chosen as explants. The results showed that the best basic media was MS;
选用花楸茎节为外植体进行组培腋芽增殖途径研究,结果表明利于花楸生长的最适宜基本培养基为MS培养基;
In order to study the rapid propagation technology for Sorbus pohuashanensis stem segments with axillary buds were chosen as explants. The results showed that the best basic media was MS;
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