The Research on Induction of Pumpkin Chromosome doubling with Trifluralin
氟乐灵诱导西葫芦染色体加倍研究
This paper analyzed the influence on the frequency of embryos and the doubling efficiency according to different inoculation time and inflorescence age during microspore culture when the donor plants were grown in field.
以大田甘蓝型油菜为材料,对小孢子培养不同取样时间和不同开花时期接种的胚状体诱导频率和不同加倍方法的加倍效率进行了研究,结果表明:大田甘蓝型油菜小孢子培养最佳取样时间是上午7∶00时,此时取样出胚率达4。
The latest advances in genetic and breeding research on hapoid induction,polyploid induc-tion,determination of ploidy level and chromosome doubling of cucurbit crops(watermelon,muskmelon and cucumber)were reviewed.
综述了西瓜、甜瓜及黄瓜遗传育种中的单倍体和多倍体诱导、细胞学倍性鉴定、染色体加倍研究的进展,并对其在遗传育种中的应用作了简要介绍。
Haploid breeding is a method of doubling the spontaneous or artifical haploid with colchicum, and selecting the super doubled lines.
单倍体育种是利用自然发生或人工培育的单倍体，经染色体加倍获得纯合二倍体，再从中选育自交系的方法。
-...I will double it.
- ...我加倍给你.
We redoubled our efforts [zeal].
我们加倍努力 [倍增热忱] 。
(in the card-game of bridge)double again(a bid already doubled by an opponent)
（桥牌中）将（对方已加倍的叫牌）再加倍.
If the cable is urgent,the rate will is doubled.
如果电报加急，费率加倍。
A frequency multiplier which multiplies the frequency of an input signal by two.
使输入信号的频率加倍的一种倍频器。
He has twice the strength he had.
他比从前加倍强壮了。
We must redouble our efforts.
我们应该加倍努力.
Double charge will rive a connon.
加倍填药，炸裂炮膛。
You have got to be doubly careful when you are driving in fog
雾天开车你得加倍小心
I decided his double was a bluff.
加倍努力才能赶上别人。
return a blow, a kindness with interest
重重回击、 加倍报答好意.
set to work with a vengeance
加倍努力地干起活来
From now on we'll redouble our efforts.
往后我们要加倍努力。
Well, then I shall value it all the more.
那我更要加倍珍惜。
Let's plan with redoubled care.
咱们加倍仔细地计划。
Justifying a fault doublesit.
护短是加倍的错误。
The condition of being duplicated.
被重复，被加倍的状态
Something increased twofold.
倍增成倍增加的东西