Standards for the use of gibberellin on different crops
Gibberellin is a highly effective plant growth regulator that can promote the growth of a variety of crops, so it is very popular among farmers, so which gibberellin is suitable for crops? Let's take a look at it with Xiaobian. .
1. Break the potato dormancy: dip the block of potato block with 0.5-4ppm gibberellin for 10-15 minutes, the concentration of the short dormant period is lower, the concentration of the long dormant period is higher, the seed potato after soaking, fishing Dry in a cool place, do not expose to the sun, then you can sow. Thereby breaking the dormancy, promoting the germination of the buds, so that the emergence of seedlings is early and homogeneous.
2, promote vegetable growth: Many vegetables such as celery, spinach, leeks, sage, etc. can use gibberellin to promote vegetative growth, increase yield and early harvest.
3, promote strawberry flowering: Protect the cultivation of strawberries, spray 10ppm gibberellin in the early stage, 5 ml per plant, can avoid dormancy and promote flowering results.
4. Improve the yield of hybrid rice. Hybrid rice has a neck of about 10 cm in production, which leads to incomplete heading and inability to pollinate, thus reducing the seed setting rate and affecting yield. In this regard, the application of gibberellin can effectively solve these problems by using 10-15 grams of gibberellin per acre and spraying 2-3 times. The first time the spray is 10%, the 2-3 grams per acre; the second spray on the next day, the amount of 4-6 grams per acre, the third time on the second day or the next day The dosage per acre is 4-6 grams.
More pesticide knowledge, please pay attention to China Pesticide Network
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