Asiatic Rice Borer - Rice

Rice Rice

K

Why rice spikelet empty? Rice transplant on 7.7.19 = age aprox 80 days Variety 1509.

Why? What to do? Cause? Disease name?

2Downvote
S

Hi Ketan Nain. I am not sure, let's compare symptoms with Asiatic Rice Borer by clicking on green link given here for checking symptoms and taking control measures from Plantix library. Also use fertilizer calculater, crop Advisory and see all tasks sections available here on home page of Plantix to increase your crop productivity.

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S

Dear Ketan Nain You say your rice crop is about 80 days old and spikelets are empty. At about 80 to 85 days the earheads just emerge out. At this stage the grains are soft and milky. It takes time for the grains to fill and become hard. Usually , the earheads are affected due three reasons. 1 . Stem borers : In this case the entire stem and the earhead become dry. The earhead is green , hence it is not due to stem borer 2. Bacterial panicle blight: In this case the grains turn dark , which is not case here. 3. Earhead bugs : The bugs suck the sap from the young milky grains , and grains become chaffy , and white . This is not the case. After exhausting all the options , I conclude that the earhead and the grains are healthy. You may have to wait for little more time for the grains to fill up and become hard. Good luck

5Downvote
K

40% Spikelets are totally empty there is no soft grain or milk in it

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K

Is there any temperature effect on this?

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S

Usually temperature will not affect grain filling . You say 40% of spikelets are empty . I do not know any known solutions to this. We may have to simply wait.

1Downvote
K

Hmmm i will tell u all abt crop yield n all

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S

Dear Ketan Nain Please tell us

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K

Sure

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S

Spray the flumendamide 20% , 70gram /acer

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A

The best solution of this problem is amaze-xl

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W

Ketan Nain Shankara Goud M temperature does affect if its above 43 Celsius at flowering, varities with low heat resistance do succumb to it.

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S

Dear Waqar Bhutto Yes, temperature above 43℃ may affect pollination, but paddy being self pollinated may not affect much.

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