Search found 7 matches

by winefile
Wed Jul 26, 2006 4:50 am
Forum: Botany Discussion
Topic: Photosynthesis & Starch Content
Replies: 11
Views: 9916

This is what I thought, but comments would be great if in right direction... Depicts level of starch synthesis after the shut down of photosynthesis from the time in the dark, the absense of CO2 (Pot Hyd) etc. Also perhaps to indicate that plants need CO2 for survival, possibly showing starch consum...
by winefile
Wed Jul 26, 2006 12:07 am
Forum: Botany Discussion
Topic: Photosynthesis & Starch Content
Replies: 11
Views: 9916

25ml of concentrated solution - absorbs CO2 very effectively
by winefile
Tue Jul 25, 2006 11:47 pm
Forum: Botany Discussion
Topic: Photosynthesis & Starch Content
Replies: 11
Views: 9916

Photosynthesis & Starch Content

Two healthy and vigorously growing plants are placed in the dark for a day and then placed in air tight bell jars. One bell jar also contains a glass beaker containing Potassium hydroxide and the other was does not. Both are placed in the light and their leaves subsequently tested for their starch c...
by winefile
Mon Jul 17, 2006 2:39 am
Forum: Botany Discussion
Topic: Stratification
Replies: 9
Views: 13854

Here is the definition of what this websites dictionary states for Scarification.

scarification

The making of a number of superficial incisions in the skin.

Origin: L. Scarifico, to scratch, fr. G. Skariphos, a style for sketching
by winefile
Mon Jul 17, 2006 2:37 am
Forum: Botany Discussion
Topic: Stratification
Replies: 9
Views: 13854

This definition is from this web site, dictionary. Please see below and check out yourself.

stratification

The use of chemical and mechanical systems to break dormancy and increase germination
by winefile
Mon Jul 17, 2006 2:10 am
Forum: Botany Discussion
Topic: Stratification
Replies: 9
Views: 13854

Definately stratification: meaning is " The use of chemical and mechanical systems to break dormancy and increase germination ". I understand the principle, maybe a fire or a spell of really cold weather, or even an animal chewing on the sead coat to complete dormancy and the seed to comme...
by winefile
Sun Jul 16, 2006 5:54 am
Forum: Botany Discussion
Topic: Stratification
Replies: 9
Views: 13854

Stratification

Trying to complete an assignment and finding a few areas difficult to locate related information. Info is required on stratification. How does stratification relate to grape seeds. Any help or useful websites would be greatly appreciated.