Weather Forecast Based Grape Advisory

 

Likely weather for next 7 days: 08.10.2014 (Wednesday) to 15.10.2014 (Wednesday)

Parameter

Nasik area

Sangli

Solapur area

Pune  area

Bijapur

Rangareddy

(Hyderabad)

Cloud cover

Clear, Cloudy on Thur, Sun-Mon.

Cloudy

Cloudy

Cloudy or Overcast

Partly cloudy or  Overcast

 

Clear or partly cloudy

 

Rainfall

Niphad, Kalwan, Satana, Devda, Yeola, Chandwad - Light rain Fri. Shirdi, Rahata, Loni, Bableshwar - Light rain Wed-Sat.

 

Kavathe Mahakal, Tasgaon, Palshi, Palus, Khanapur, Walva, Miraj, Sirguppi - Light rain whole week.

Nanaj - Light rain whole week. Vairag, Barshi, Katikari- Light rain Wed-Fri. Osmanabad, Khilari- Light rain Thus. Tuljapur, Latur, Ausa - Light rain Thus- Fri.

Yavat, Baramati, Patas, Pargoan, Shrigonda- Light rain. Narayangoan, Junnar - No rain.

Bijapur, Tikota - Light rain Thus-Sat

Rangareddy - Light rain Thus-Sat.

Temp oC

Min.

Max.

 

21-22

31-34

 

19-21

31-32

 

23-24

34-37

 

21-23

32-34

 

23-26

33-34

 

20-21

31-32

RH (%) Min.

Max.

 

25-31

49-78

 

32-37

70-77

 

27-33

51-59

 

34-41

76-80

 

22-40

54-71

 

22-47

39-85

Wind

3-15

km/hr

5-20

km / hr 

 

6-12

km/ hr.

9-15

km/ hr.

3-21

km / hr.

 

3-25

km / hr.

Note: Above weather information is summary of weather forecasting given in following websites

http://www.imd.gov.in/,

http://wxmaps.org/pix/prec6.html ,

http://www.accuweather.com

http:// http://www.wunderground.com/

Crop advisory relevant to different places is prepared, by experts, considering forecasted weather, crop growth stages in majority of vineyards and ground information on incidence of different diseases in different grape growing areas received from regular interaction with progressive grape growers. No claims are made on its correctness.

 

Weather forecast based pest advisory for Oct 08-15, 2014

वृद्धि अवस्था (दिन)

संभावित पीडक जन्तु जोखिम

थ्रिप्स

माइट्स

केट्र्पीलर्स

मिलीबग्स

तना छेदक

जेसीड्स

फ्रूट पृनिंग के पश्चयात 15-30 दिन

अधिक

नहीं

अधिक

मध्यम

कम

अधिक

 

नए छांटनी किए हुये बगीचों में थ्रिप्स का प्रकोप अधिक हो सकता है। थ्रिप्स की मोनिट्रिंग के लिए अंगूर इस शाखा को सफ़ेद कागज पर झड़काएं और गिनें । थ्रिप्स इस मोनिट्रिंग दोपहर और जेसीड की मोनिट्रिंग शाम को 6-7 पीएम के दौरान करें । थ्रिप्स एवं केट्र्पीलर्स के नियंत्रण के लिए फिप्रोनिल 80 डबल्यूजी @ 0.05-0.06 ग्राम प्रति लिटर पानी या एमामेक्टीन बेंज़ोएट 5 एसजी @ 0.22 ग्राम प्रति लिटर पानी की दर से प्रभावी है। फ्लिया बीटल के नियंत्रण के लिए ब्ड स्वेलिंग अवस्था पर लेंबड़ा साइहेलोथ्रिन 5 सी एस का प्रयोग 0.5 ग्राम प्रति लिटर पानी की दर से प्रिवेंटिव रूप से प्रभावी है।

 

Growth Stage (Days)

Likely Pest Risk

Thrips

Mites

Caterpillar

Mealybug

Stem borer

Jassids

0-25 days after forward pruning

High

Nil

High

Moderate

Low

Moderate

 

In vineyards where fruit pruning have been done recently, may have higher thrips infestation. Monitoring for thrips should be done by tapping the shoots on white paper and counting number. The monitoring of thrips should be done during afternoon hours and the monitoring for jassids should be done during 6-7 pm in the evening. Fipronil 80 WG @ 0.05-0.06 g/L water or Emamectin benzoate @ 0.22 g/L water is effective to manage both thrips and caterpillars. Lambda cyhalothrin 5 CS @ 0.5 ml/L water is effective as preventive spray for the management of flea beetle at bud swelling stage.

 

Disclaimer: The bio-efficacy of insecticides mentioned above is based on the experiments conducted by NRCG. Their use by the farmers is restricted to their CIBRC label claim for various crops.

 

 Usefulness of the information on these pages may be communicated to us at dirnrcg@gmail.com

Management strategy against thrips in grapes in Nasik region

Advisory for irrigation in hail storm affected vineyards

गारपीटग्रस्त द्राक्षबागामध्ये पाण्याच्या वापरासंदर्भात सल्ला

Advisory based on monitoring of pesticide residue

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Advisory for irrigation in hailstorm affected vineyards

In most of the hailstorm affected vineyards defoliation has taken place. As a result of this the vines are being exposed to direct sunlight. Exposure of vines to direct sunlight under such conditions will lead to drying of permanent vine parts.  Further there has been sever injuries on vine parts and exposure to direct sunlight will further aggravate the problem of drying of arms etc.  and uneven bud break. Hence growers were advised to prune the vineyards early to reduce duration of the exposure to direct sunlight for longer duration.  The pan evaporation in these areas usually ranges from 7 to 8 mm/ day. Accordingly the irrigation requirement in the vineyards will range from 29400 to 33600 liters/ha/ day respectively. Since the vineyards in the affected regions are located in hotter area where the summer temperature goes beyond 40o C and there is scarcity of  irrigation water in these areas to  economies the irrigation water mulching should be used. It is also advised not to apply fertilizer in large doses as this may increase the root zone salinity. Hence fertilisers should be applied  in splits via irrigation water (fertigation).

गारपीटग्रस्त द्राक्षबागामध्ये पाण्याच्या वापरासंदर्भात सल्ला

गारपीट झालेल्या बहुतांश द्राक्षबागामध्ये पानग झालेली आहे आणि पानग झाल्यामुळे बागा थेट सूर्यप्रकाशामध्ये आलेल्या आहेत. बागा थेट सूर्यप्रकाशामध्ये आल्यामुळे झाडांच्या वेलींचे प्रमुख भाग कायमस्वरूपी वाण्याची शक्यता असते. तसेच गारपीट झाल्यामुळे झाडावरती खोल जखमा झालेल्या आहेत. झाडांना झालेल्या जखमा व थेट सूर्यप्रकाश यामुळे वेलींच्या मुख्य फांदया वाण्याची तसेच त्यावर एकसारख्या फूटी न निघण्याची समस्या वाढते. ह्या गोष्टी टाण्यासाठी शेतकऱ्यांनी आपल्या बागांची खरड़ छाटनी लवकरात लवकर घ्यावी, जेणेकरुन बागा थेट सूर्यप्रकाशामध्ये जास्त वे राहणार नाहीत. साधारणपणे गारपीट झालेल्या भागात पैन बाष्पिभवनाचा दर दिवसाला ७ ८ मिमी असा आहे. हयावरून असे दिसून येते की बागेमध्ये दिवसाला दर हेक्टरी २९,४०० ३३,६०० लि. पाण्याची जरूरी भासेल. गारपीट झालेल्या बहुतांश बागामध्ये उन्हायाचे तापमान ४० से. च्या वरती जाते, तसेच ह्या भागामध्ये पाण्याची पण कमतरता आहे, म्हणून बागेमध्ये पानी जास्त वे टिकुन राहण्यासाठी मल्चींग करणे गरजेचे आहे. खतांचा डोस जास्त प्रमाणात वापरल्यास झाडांच्या मुӀजव क्षारांचे प्रमाण वाढण्याची शक्यता असते. हे टाण्यासाठी खतांचा वापर टप्प्या-टप्प्याने विभागून करावा व शक्यतो खते ठिबक सिंचनाद्वारे पाण्यातुन घ्यावी.

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Advisory based on monitoring of pesticide residue

Status of Nation-wide pesticide residue monitoring in table grapes as on: 27/03/2014

No of samples analyzed

6828

No of Alerts issued

1074

No of Alerts revoked

177

No of effective alerts

897

% of failure of samples

13.1%

Major pesticides detected in 2014

* 4-bromo-2-chlorophenol (metabolite of Profenophos)

Abamectin

Hexaconazole

Chlormequat Chloride

Flusilazole

Chlorfenapyr

 

Since more than 50% of the samples failed so far are due to the detection of the non-recommended insecticide profenophos and its metabolite, the growers are advised to strictly adhere to the package of practices recommended by this institute in terms of pre-harvest interval (PHI) to minimize pesticide residue detections in grapes at harvest.

 

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