Pear pollen quality detection

Pear pollination pollen buy first look at the packaging is intact, no damage, so as to avoid damp pollen! Then open the pollen packaging, view of pollen traits, pear powder of good color is light yellow, smell fishy taste, form into powder particles, and no impurities! These are just basic tests. Key indicators of quality is good pear pollen vitality detection of pear pollen, pollen vitality of pear quality, pollination fertility is very important, which directly affect the pear fruit!
Method for the determination of pear pollination pollen vitality for pollen germination experiment!

Step one: first will determine the pear powder take a little into 80% humidity moisture for 24 hours.
Step two: material preparation: beaker, thermometer, dish, a carrier sheet, burning paper, towel clamp, electric stove, oven, microscope, agar, sucrose, mineral water.
Step three:
1 agar powder, cane sugar, mineral water by 1 than 15 to 100 ratio to produce a culture liquid into the beaker on the heating furnace, and thermometer stirring medium, heating to 100 degrees to stop heating to stir.
2 will be no bubble of the culture liquid drops on the carrier chip, made of medium area of one square centimeter, thickness of two mm.
3 with a cotton swab dipped in a little pollen blown on the culture medium, and then the carrier sheet is placed in the shop into the oven dish two layers of wet towel paper, cultured in 25 degree, three to five hours, 100 times on the microscope observation of pollen germination, the pollen germination is not essential is round, the germination of a substantially triangular concurrent like bean sprouts like sprouts, sprout life, not for the death of pollen germination, selected three observation points, respectively recorded for each observation point number and the total number of pollen germination and pollen.
Pollen germination percentage = total number of germinated pollen
The pollen germination rate is high, like the sign of pear pollen vitality stronger after pollination fertility better, pear fruit is high! This pear powder quality is the best, it is most in need of farmers!
A pear pollination pollen knowledge gave you here, spring is the key period for pear pollination, welcome to buy our order of pear pollen, Tel: 0539-8362712

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