In article wreckers and diseases which will harm grain, bakhchevy, vegetable, fruit crops and grapes in July, 2008 are listed.
Forecast
The cool spring, plentiful precipitation of May and June reduced rates of development of wreckers below mean annual level, but promoted mass development of diseases.
Long-term wreckers
Saranchovye
Owing to cool, damp weather, saranchovy have no wide circulation. The centers of excess of threshold number of not gregarious kobylka and Italian prusa arose only in Leninsk and Bakhchsarai areas. With establishment of dry, hot weather in July injuriousness of the saranchovy can amplify. As larvae of the wrecker will migrate in search of more green, juicy vegetation for a food.
Especially attentively it is necessary to treat it to experts in Bakhchsarai, Pervomaisk, Razdolnensky, Belogorsky, Soviet and Leninsk areas, that is in places of numerous development of the wrecker.
At the number exceeding 2-5 copies/sq.m, prusa, or 10-15 copies/sq.m not gregarious saranchovy, it is necessary to hold the local events, one of the listed preparations: Sumition, k.e. – 0,8-1,5 l/hectares, the Paraclown, item page – 0,5-0,75 l/hectares, Mospilan, genitive – 0,05-0,75 kg/hectares, Bliskavka, k.e.-0,2-0,25 l/hectares. On lands not agricultural purpose: Aktual, k.e. – 1,5-2 l/hectares, Volley, k.e. – 1,5½/hectare.
Stem moth, cotton scoop
During the whole July injuriousness of a stem corn moth, cotton scoops in corn crops will proceed.
Podgryzayushchiye, listogryzushchy scoops
Will harm in crops of a soya, sunflower, corn, tomatoes, pepper. For decrease in number a scoop it is possible to use such preparations as: Zolon, k.e., Bazudin, k.e., Diazinon, k.e., Detsis Profi.
In crops of cabbage preparations are effective: Dimelin, item page – 0,08-0,12 kg/hectares, the Match, k.e. – 0,4 l/hectares, Nomolt, k.e. – 0,3 l/hectares.
In crops an eggplant, pepper, tomatoes against tomato, cotton scoops it is necessary to apply insecticides to a plodoobrazovaniye.
Grain crops
Till the end of cleaning in crops of winter and summer crops injuriousness of the grain ground beetle, grain bugs and a bug of a harmful cherepashka will proceed.
During the present period, larvae of all age of a bug of a harmful cherepashka eat. Manifestation of a young bug is expected in the I decade of July.
In corn crops, during the whole month injuriousness of plant louses, a tsikadok, tripsa, pyavitsa, cereal flies will proceed. High humidity and air temperature can promote manifestation on an ear – fuzarioza, septorioza, to an olive mold, development pirikulyarioza in fig.
We recommend immediately to all risoseyushchy farms of the Autonomy to carry out preventive processings by a preparation of Tilt, 25 % k.e. – 0,5 kg/hectares.
Wreckers and diseases of commercial crops
In crops of a beet, sunflower, a soya, tobacco injuriousness a tsikadok, an akatsiyevy ognevka is expected. From diseases manifestation of lozhnomuchnisty dew on a beet, a soya, tobacco, sunflower is expected; askoxitoza on a soya, gray and white decay on sunflower.
In tobacco plantations from diseases it is necessary to expect development of virus and bacterial diseases such as: bronzing, white is dazzled, perenosporoz, bacterial ryabuxa.
Wreckers and diseases of vegetable cultures and potatoes
In landings of potatoes, tomatoes, pepper, eggplants during the whole July the Colorado beetle will continue vredonosit. When maturing pepper, tomatoes it is necessary to expect injuriousness cotton and tomato a scoop.
Plant louses, scoops, moths, skrytnokhobotnik therefore it is necessary to provide protective measures one of the following preparations will continue to harm to cabbage: Aktara, 25 % of century of – 0,06-0,08 kg/hectares, Zolon, k.e. – 1,6-2 l/hectares, Fastak, Alteks, k.e. – 0,1-0,15 l/hectares, Diazinon, k.e., Bazudin, century e.-1 l/hectares.
Fruit crops and grapes
At the end of the III decade of June – the I decade of July the otrozhdeniye and injuriousness of a yablonny plodozhorka of the second generation is expected.
In the II decade of July the otrozhdeniye of vagabonds of the Californian shchitovka of the second generation is expected.
During the whole month in gardens of the Crimea all species of the plant louses mining moths, fruit ticks, geometrids, a listovertok, deaf adders, plam, pear and east a plodozhorok will continue to harm.
From diseases in gardens further injuriousness parshi, mealy dew, klyasterosporioza, monilioza, kurchavost of leaves is expected.
In grapes plantations in Idekade of July ochazhny processings of culture, in fight against a grozdevy listovertka of the second generation, grape the zudny will be expedient.
From diseases injuriousness mildyu will proceed, and in the middle of July development oidiuma is expected.
L.ALEKSEEVA,
acting chief of the state inspection of protection of plants,
S. KINDRUK,
deputy chief,
head of department of forecasts and fytosanitory diagnostics.