5.2 Perennials
5.2 Perennials
5.2 Perennials
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18<br />
Value for pollen: P protein is high 17 .<br />
Honey: light in colour with a yellow cast; classed as ligh<br />
mild, but strong when freshly extracted, like mustard; aroma<br />
content in ripe H may be high and fermentation reported like<br />
to that from Sinapis alba (white mustard), having a str<br />
grain 35 .<br />
Notes: more drought tolerant than rape; grown mostly<br />
especially s. Alta., and Sask.; principal source of table musta<br />
Brassica rapa L. ssp. oleifera (DC.) Metzg. 51<br />
(syn. Brassica campestris L.; B. napus L.; Raphanus<br />
napella Vill.; B. campestris L. var. oleifera DC.; B. ra<br />
napus L.A. oleifera DC.; B. campestris L. ssp. oleifera<br />
rapa L. convar. oleifera (DC.) Alef.; B. campestris L. ssp<br />
rapa L. var. sylvetris (Lam.) Briggs; B. rapa L. ssp. sy<br />
Janchen et Wendelbg.; B. campestris L. ssp. eu-ca<br />
rapoeuropea Sinsk. ssp. oleifera (DC.) Sinsk.) 51<br />
Polish type rape, turnip rape, winter rape, field mustard, cano<br />
ann. bienn. Jun-Aug 50-90 cm<br />
Value for honey: HP3 1'; H yields 7-14 kg/colony/season<br />
kg/colony/season or more by beekeepers in w. Canada; a 9.4<br />
to be less available than from B. napus ssp. napus 61 '85 ; d<br />
flow can differ depending on the weather conditions (als<br />
. napus ) 86 ; produces about twice as many flowers as B. na<br />
flowers/day/plant) 86 ; flowers smaller than those of B. napus<br />
of the Candle var. remained open for two days 86 .<br />
Considered a better H source than Trifolium repens<br />
and some say that it is the best H plant known 54 . Foragin<br />
numbers up to 4 km from the nearest apiary 54 .<br />
Value for pollen: not considered as important for P, but ho<br />
necessary for efficient pollination 54 ; produces about 20 kg<br />
much as B. napus ssp. napus 86 .<br />
However, even if bees are not actively collecting<br />
pollinators because they almost always brush against anthers<br />
Honeybees found to increase seed yield 45 '58 '76 " 59) ; yield i<br />
for cvs. Candle and Tobin were 139% and 81% respective<br />
data noted in 59).<br />
Honey: is white to yellowish white in colour and clear 17 ; c<br />
white a ; granulation rapid 17 ; flavour like wine or rather like<br />
B. napus ssp. napus 86 ; H's from new canola cvs. (i.e. tho
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