In article the forecast of development of diseases and wreckers for July, 2006 is given. Also measures of fight for pest control and diseases are given.
The SHORT-TERM FORECAST of DEVELOPMENT AND DISTRIBUTION of the MAIN WRECKERS AND DISEASES ON FARMS of the CRIMEA IN JULY, 2006
Forecast of the expert
Mnogoyadnye wreckers.
Italian larvae prusa, various a kobylok will continue the food on weeds. In the conditions of dry hot weather in July increase of number of the wrecker is possible. The economic threshold of injuriousness makes 6-10 larvae on sq.m. Within a month the okryleniye of larvae saranchovy will proceed.
In case of education kulig, for their localization, it is possible to use preparations: Sumition, k.e., 0,8-1,5 l/hectares, Fastak k.e., 0,2 l/hectares, the Paraclown m.k.s 0,5-0,75 l/hectares, Mospilan of genitive – 0,05-0,075 kg/hectares, Tsifoz k.e. – 2,4½/hectare and others.
Meadow moth – development of a meadow moth possibly in the form of the centers, in the steppe regions of the Crimea, especially on irrigation lands, and also near channels, sprinklers. At number of 10-20 and more caterpillars on sq.m, it is necessary to carry out processings: Bazudin, Zolon, Detsis, Paraclown and other preparations.
Stem corn moth.
Within July injuriousness of caterpillars of a corn moth of the 1st generation will be noted.
Podgryzayushchiye and listogryzushchy scoops. Will harm in crops of a soya, sunflower, corn, tomatoes, pepper. From the middle of July the scoop For decrease in number a scoop is expected years of butterflies of 2 generations it is possible to use the following preparations: Bazudin century e. Diazinon k.e. – 1-1,5 l/hectares, Detsis, Shtefisin k.e.0,2-0,5 l/hectare, Sherp, Arrivo k.e. – 0,24-, 0,32 l/hectares. Wheaten \a caterpillar \, southern (butterfly) scoops in July will be is in summer diapauze.
Grain crops.
Before the completion of cleaning injuriousness of a bug of a harmful cherepashka will proceed. In crops bugs grain ground beetles, grain bugs will continue to eat grain. In crops of summer cultures, corn within July injuriousness of a plant louse, a tsikadok, pyavitsa, cereal flies, pililshchik, tripsa will proceed.
At high humidity of air temperature possibly emergence fuzarioza and an olive mold on an ear.
Wreckers and diseases of grain and long-term herbs.
In July settling and injuriousness in crops of peas of a soya, nuta, the following wreckers of plant louses, tripsov, caterpillars a scoop, zernovami, plodozhorka is expected.
In crops of long-term herbs (a lucerne, esparcet) the most harmful will be the sheet weevil, fitonomus, tixius.
Commercial crops.
Within a month on sunflower injuriousness a scoop, ognevka, a plant louse is expected. tripsov, a tsikadok, and also locusts, a meadow moth, Loss of a precipitation will provoke development gray, white gnily, false mealy dew to the podsolnechny.
In crops of tobacco mass development of a plant louse, tripsov is expected. Injuriousness of these wreckers will promote manifestation of such diseases as ryabuxa, bronzing, is dazzled.
Development of false and mealy dew will be promoted by difference of a temperature mode and availability of drop moisture.
Wreckers and diseases of vegetable cultures and potatoes. Colorado j bug.
In crops of late potatoes, tomatoes, the eggplant, pepper during the whole month is expected injuriousness of the Colorado beetle.
Development and injuriousness cotton scoops, the corn moth should be expected in pepper plantations.
Development tomato scoops is expected in crops of tomatoes.
On cabbage injuriousness, a scoop, white butterflies, a plant louse everywhere will proceed.
Fruit crops and grapes.
At the end of the first decade of July it is expected mass years and a yaytsekladka of an apple plodozhorka of the second generation. At the end of the second decade of July everywhere in gardens of the Crimea the mass otrozhdeniye of vagabonds of the Californian shchitovka is expected.
Within July injuriousness of mining moths, plant louses, pincers, geometrids, a listovertka, plam, pear a plodozhorok will proceed.
On a cherry to sweet cherry late grades injuriousness of a cherry fly will proceed.
From diseases in semechkovy gardens mealy dew is expected parsha; in kostochkovy gardens – kokkomikoz, klyasterosporioz.
In the 1st decade of July it is expected mass years and a yaytsekladka of butterflies of a trozdevy listovertka of the 2nd generation, development grape zudnya. From diseases more extensive distribution mildyu and manifestation oidiuma on grapes is expected.
V. Permyakov, chief of the State station of protection of the plants, C. Kindruk, manager. laboratories of forecasts and diagnostics.