Section 3 Breeding and Propagation of Excellent Varieties ppt-Zheke Edition Elective 2 Courseware

Zhejiang Science Edition Elective 2 Chapter 1 "Chapter Three Cultivation and Reproduction of Excellent Varieties" ppt Question 1: What method can be used to preserve the excellent traits of apples caused by plant gene mutations? Question 2: According to market surveys, consumers like sweet, soft and crisp apples, but the existing varieties are either not sweet and crisp, or crisp and not sweet enough. How do you plan to improve the quality of apples? Question 3: Apples with good color, fragrance and taste are prone to diseases and insect pests during the growth and development process. Improper use of pesticides will cause serious consequences. How can this be solved? Question 4: Apple trees generally need to grow to 15 years of age before they can bear fruit. How do you plan to develop new varieties of apples as soon as possible?

Filter Silicone Water Bottles

Filter Silicone Water Bottles is our innovational products in these two years, our designner and enginners revise the deisgn,mould and then 

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Here are the advantages of them:

1．The bottle body is collapsible and easy carry on.

2．The filter system is consists of Ultra filtration membrane with 0.01 micron aperture & Activated carbon filter. It do not contain any toxic 

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3．It could filtered 99.99% bacteria(Coliform) and Protozoa(Giardia, cryptosporidium, etc).

4．It could lower the turbidity of the water, adsorb the bad odor in the water. The tastes will be quite good after filtered by our filter.

5．Maximum 1000 litre of water could be filter by our filter system if the water is NOT very muddy.

6．The filter system only could filter the water that is polluted by natural biological bacteria. Do not drink the water if the water is polluted by chemicals.

We are honored to be trusted by Nike, New Balance, Locknlock, Target, Wal-mart for over 8 years, all of our foldable water bottles  are deisgn 

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