The Fresno Bee from Fresno, California • 28

I i T1IE FRESNO BEE RWCBUCAlC SUNDAY MAY 1 MM AdrF'Hwimnt STIROY the CRAPE LEAF HOPPER with CYANOGAS IMPORTANT CHART ftnwHg fcappo dewfaptmwi Aduhs iInwji present Awing dv ihmt period ohm nymph feinmiil Cvanocm li the snly Mr rul wksk destroys bufc dm trimmed fMi 0nd trmolinf nymph NYMPHS Protect Your Inrest nent in Your Vineyard The seriousness of i heavy in fee ftation of Grape Leaf Hoppera In ita effect on a single erop la admitted by every vineyardist who has had experience with this destructive little jiest Some however do not yet realise how serious an uncontrolled infestation may be to the vineyard as a whole Few realise that its destructive work ay indeed aiTect the entire vineyard investment Most of us know that the leaves of the plant are both its stomach and its lunfs The very important function of the leaves during the year is to produce and mature a crop of fruit After the fruit is harvested they have an additional function of building new wood and of storing re-serve food to insure a vigorous and healthy new fruit and growth the following year The vines which have been completely defoliated liy the Grape Leaf Hopper even after the crop is harvested are never as strong and vigorous the following year as they should be und repeated shocks of this sort have been known to kill vines With a very good proimt or returning better prices in the vriy near future growers should not tleet proper control measures with CYANOGAS during the present particularly because to do so may prevent him from making the nvofit which he is entitled i after the past scries of Unprofitable years Shows Effect of Hopper Infestation on Grape Vines Trap Crop in Vineyards Helps Hopper Control Growers wiio have been watching the activities of the over-wintering Grape Icaf Hoppers in the vineyards for the purpose of getting them concentrated in rows of vegetation where they could be easily and economically killed by the application of CYANOGAS have reported that these Hoppers during the past winter have shown a decided preference for burr clover over mclilotus' nr sweet clover This I) reference would indicate that meli-otus is nriLgood winter crop to plant as Uiao crop and that if natural vegetation is desired burr clover answers the purpose admirably or that any of the cereal crops may he' grown for this purpose Some lar'c ineyardists have demonstrated that this trap crop method of Ilopper control is by far the rheape-t Only to 8 lbs of CYANOGAS arc required to treat an acre in this manner and a very high percentage of the over-wintering Hoopers killed before eggs are laid or hell destroy your Vineyard The oyerwintering: Hoppers are now feeding: on the tender foliage of your vines and laying their eggs in your vineyard Destructive Hopper Nymphs will shortly be on the job sucking out the vitality of your vines Use Cyanogas to destroy the winged adults as well as the crawling nymphs before they grow up Don't experiment with untried costly methods Cyanogas prices have never been loiver Cyanogas is the cheapest in the end CYANOGAS FREE APPLICATION PRIZE LETTER CONTEST Dusting the Vineyard for Overwintering Ilopper Control If the over-wintering hoppers have not brvn coni railed before they congregate on the new grape foliage the vines may be dusted with H-l UST lit the rate of 20 lbs per acre Anply on the ground at the base of the vine so that the hoppers falling from the foliage will fall into the dust preventing their rerovery For vineyard dusting CYANOGAS should be applied when atmospheric conditions are such that the dust and the gas which evolves from it will remain in the area treated for a considerable period These atmospheric conditions are most usually found between sundown and sunrise tlye following morning The lent text of wind movement and other atmospheric conditions is to build a small smudge fir is the vimiianl If the smoke settles ard drifts very slowly a very satisfactory control will bs obtained If it rises and drifts rajtid-lv away use tents Heavy New Crape Plantings Indicate Improved Conditions drums of Cyanogas second liest wins one and the three third best each wins fifty pounds AH letters received become our property to use as we see fit Kacli contestant geta a Cyanogaa button and a copy of the booklet Hopper tiontroL" lieros an opportunity to win free Cyanogaa prisest Send in to the Cyanogaa Letter Contest American Cyanamid Chemical Corp Azusa California a fifty-word latter on what ucceM you have had with Cyanogaa The writer of the beat letter received before midnight June 1st geta two (one hundred lb) Growers nnd officials report heavy plantings in the San Joaquin despite low returna for the past several years No doubt these planters feel that the worst is over and that better prices are to be expected All the more reason why the wise grape-grower will use CYANOGAS to Insure proper Hopper Contiol with resulting quality tonnage st a profit Commercial Dusters Attention! Manufactured for years by AMERICAN CYANAMID CHEMICAL CORPORATION AZUSA CALIFORNIA of sola cl your dealer Many Krowtr rail tl a-rvlct department ot It" American Cyanamid Sc Chemical Corporation at ina State Center Wsihminv Inyo and S' reel Jrsno (nr aiKie on CYANOOAS and uatlua outfit To aid in co-operatina with urh rmw commercial dueler ehonld reautrr tlictr nainea at above TUNE IN KM NOON FOR INTERESTING AND INSTRUCTIVE RADIO BROADCAST BWWruu.